National Library of Energy BETA

Sample records for 3d converted shear

  1. SHEAR-WAVE SOURCED 3-D VSP IMAGING OF TIGHT-GAS SANDSTONES IN RULISON FIELD, COLORADO

    E-Print Network [OSTI]

    1 #12;SHEAR-WAVE SOURCED 3-D VSP IMAGING OF TIGHT-GAS SANDSTONES IN RULISON FIELD, COLORADO heavily on understanding the distribution of sandstone bodies in the subsurface. Shear-wave sourced 3-D was applied to the shear- wave reflection data. A geologically-constrained migration-velocity model

  2. Shear-wave splitting: Tutorial, issues and implications for 9-C 3-D seismic reflection data James L. Simmons, Jr.* and Milo M. Backus

    E-Print Network [OSTI]

    Texas at Austin, University of

    Shear-wave splitting: Tutorial, issues and implications for 9-C 3-D seismic reflection data James L Characteristics of shear-wave splitting are illustrated by mod- eling the downgoing transmitted wavefield using thin-layer response as a function of the amount of shear-wave splitting (analogous to layer thickness

  3. Conducting a 3D Converted Shear Wave Project to Reduce Exploration Risk at

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based Fuels|ProgramsLake Paiute Reservation |Department ofWELCOME

  4. 2D and 3D Dense-Fluid Shear Flows via Nonequilibrium Molecular Dynamics. Comparison of Time-and-Space-Averaged Tensor Temperature and Normal Stresses from Doll's, Sllod, and Boundary-Driven Shear Algorithms

    E-Print Network [OSTI]

    Wm. G. Hoover; Carol G. Hoover; Janka Petravic

    2008-07-19

    Homogeneous shear flows (with constant strainrate du/dy) are generated with the Doll's and Sllod algorithms and compared to corresponding inhomogeneous boundary-driven flows. We use one-, two-, and three-dimensional smooth-particle weight functions for computing instantaneous spatial averages. The nonlinear stress differences are small, but significant, in both two and three space dimensions. In homogeneous systems the sign and magnitude of the shearplane stress difference, P(xx) - P(yy), depend on both the thermostat type and the chosen shearflow algorithm. The Doll's and Sllod algorithms predict opposite signs for this stress difference, with the Sllod approach definitely wrong, but somewhat closer to the (boundary-driven) truth. Neither of the homogeneous shear algorithms predicts the correct ordering of the kinetic temperatures, T(xx) > T(zz) > T(yy).

  5. 3D NUCLEAR SEGMENTAT

    Energy Science and Technology Software Center (OSTI)

    003029WKSTN00 Delineation of nuclear structures in 3D multicellular systems  https://vision.lbl.gov/Software/3DMorphometry/ 

  6. F3D

    Energy Science and Technology Software Center (OSTI)

    003188MLTPL00 F3D Image Processing and Analysis for Many - and Multi-core Platforms  http://camera.lbl.gov/software 

  7. 3D Printing Electronics

    E-Print Network [OSTI]

    Stryk, Oskar von

    the top six were granted further funding by DARPA and were also given an ATLAS robot to continue is the connectivity. Here in the US everyone assumes high ... Boeing Utilizing Sigma Labs (SGLB) "PrintRite3D" System for 3D Printing · -- B6 Sigma Labs (ticker SGLB) is not the same company as Sigma Technologies

  8. Graphene's 3D Counterpart

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    08:59 ALS researchers have discovered a material that is essentially a 3D version of graphene-the 2D sheets of carbon through which electrons race at many times the speed at which...

  9. Graphene's 3D Counterpart

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation Current HABFESOpportunitiesNERSC GettingGraphene's 3D Counterpart Print ALS

  10. Graphene's 3D Counterpart

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (Journalvivo Low-Dose Low LETUsefulJorgeAtlDayGraphene's 3D Counterpart Print

  11. Graphene's 3D Counterpart

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (Journalvivo Low-Dose Low LETUsefulJorgeAtlDayGraphene's 3D Counterpart

  12. Graphene's 3D Counterpart

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (Journalvivo Low-Dose Low LETUsefulJorgeAtlDayGraphene's 3D

  13. Graphene's 3D Counterpart

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (Journalvivo Low-Dose Low LETUsefulJorgeAtlDayGraphene's 3DGraphene's 3D

  14. Idea Generation 3D printing

    E-Print Network [OSTI]

    Stylianou, Yannis

    2012 Idea Generation 3D printing at nanoscale Cruising on electrical roads Pushing back against Centre micro and nanoscale 15 Taking 3D printing to the nanoscale 18 Fighting cancer with a "lab

  15. Taming Supersymmetric Defects in 3d-3d Correspondence

    E-Print Network [OSTI]

    Gang, Dongmin; Romo, Mauricio; Yamazaki, Masahito

    2015-01-01

    We study knots in 3d Chern-Simons theory with complex gauge group $SL(N,\\mathbb{C})$, in the context of its relation with 3d $\\mathcal{N}=2$ theory (the so-called 3d-3d correspondence). The defect has either co-dimension 2 or co-dimension 4 inside the 6d $(2,0)$ theory, which is compactified on a 3-manifold $\\hat{M}$. We identify such defects in various corners of the 3d-3d correspondence, namely in 3d $SL(N,\\mathbb{C})$ Chern-Simons theory, in 3d $\\mathcal{N}=2$ theory, in 5d $\\mathcal{N}=2$ super Yang-Mills theory, and in the M-theory holographic dual. We can make quantitative checks of the 3d-3d correspondence by computing partition functions at each of these theories. This Letter is a companion to a longer paper, which contains more details and more results.

  16. Custom 3D-Printed Rollers for Frieze Pattern Cookies Robert Hanson

    E-Print Network [OSTI]

    Custom 3D-Printed Rollers for Frieze Pattern Cookies Robert Hanson Towson University, Emeritus a method for converting images of repeating patterns, e.g., Roman friezes or Escher tessellations, into 3D-printed the world of mathematics and the art of cooking. Fractal cookies based on stretching and folding [1] and 3D-printed

  17. 3D Computer Vision and Video Computing 3D Vision3D Vision

    E-Print Network [OSTI]

    Zhu, Zhigang

    and right projections of P, respectively. #12;6 3D Computer Vision and Video Computing A Simple Stereo length Optical Center Or pr(xr,yr) RIGHT CAMERA #12;7 3D Computer Vision and Video Computing Disparity vs = Baseline f = focal length Optical Center Or pr(xr,yr) RIGHT CAMERA 3D Computer Vision and Video Computing

  18. Beam converter

    DOE Patents [OSTI]

    Poulsen, Peter

    2003-05-06

    A converter and method for converting electron energy to irradiative energy comprising foam and/or foil. Foam and foil optionally comprise a high-Z material, such as, but not limited to, tantalum.

  19. 3D World Building System

    ScienceCinema (OSTI)

    None

    2014-02-26

    This video provides an overview of the Sandia National Laboratories developed 3-D World Model Building capability that provides users with an immersive, texture rich 3-D model of their environment in minutes using a laptop and color and depth camera.

  20. 3D Tissue Scaffolds BIOMATERIALS

    E-Print Network [OSTI]

    3D Tissue Scaffolds BIOMATERIALS Our goal is to develop measurement tools and reference materials006497-01) in collaboration with the New Jersey Center for Biomaterials (RESBIO P41 EB 001046). · We have-material interactions have focused on planar (2D) surfaces or films. However, biomaterials are commonly used in 3D

  1. INCORPORATING DYNAMIC 3D SIMULATION INTO PRA

    SciTech Connect (OSTI)

    Steven R Prescott; Curtis Smith

    2011-07-01

    Through continued advancement in computational resources, development that was previously done by trial and error production is now performed through computer simulation. These virtual physical representations have the potential to provide accurate and valid modeling results and are being used in many different technical fields. Risk assessment now has the opportunity to use 3D simulation to improve analysis results and insights, especially for external event analysis. By using simulations, the modeler only has to determine the likelihood of an event without having to also predict the results of that event. The 3D simulation automatically determines not only the outcome of the event, but when those failures occur. How can we effectively incorporate 3D simulation into traditional PRA? Most PRA plant modeling is made up of components with different failure modes, probabilities, and rates. Typically, these components are grouped into various systems and then are modeled together (in different combinations) as a “system” with logic structures to form fault trees. Applicable fault trees are combined through scenarios, typically represented by event tree models. Though this method gives us failure results for a given model, it has limitations when it comes to time-based dependencies or dependencies that are coupled to physical processes which may themselves be space- or time-dependent. Since, failures from a 3D simulation are naturally time related, they should be used in that manner. In our simulation approach, traditional static models are converted into an equivalent state diagram representation with start states, probabilistic driven movements between states and terminal states. As the state model is run repeatedly, it converges to the same results as the PRA model in cases where time-related factors are not important. In cases where timing considerations are important (e.g., when events are dependent upon each other), then the simulation approach will typically provide superior results and insights. We also couple the state model with the dynamic 3D simulation analysis representing events (such as flooding) to determine which (if any) components fail. Not only does the simulation take into account any failed items from the state model, but any failures caused by the simulation are incorporated back into the state model and factored into the overall results. Using this method we incorporate accurate 3D simulation results, eliminate static-based PRA issues, and have time ordered failure information.

  2. GRAPHICS PROGRAMMING SECTION D -JAVA 3D

    E-Print Network [OSTI]

    Hill, Gary

    GRAPHICS PROGRAMMING SECTION D - JAVA 3D 1SECTION D - GRAPHICS 3-D........................................................................................... 2 30 Graphics 3D: Introduction to Java 3D........................................................................................ 78 ©Gary Hill September 2004 Java 3-D 1 of 13 #12;GRAPHICS PROGRAMMING SECTION D - GRAPHICS 3-D 30

  3. Refraction of shear zones in granular materials

    E-Print Network [OSTI]

    Tamas Unger

    2007-01-08

    We study strain localization in slow shear flow focusing on layered granular materials. A heretofore unknown effect is presented here. We show that shear zones are refracted at material interfaces in analogy with refraction of light beams in optics. This phenomenon can be obtained as a consequence of a recent variational model of shear zones. The predictions of the model are tested and confirmed by 3D discrete element simulations. We found that shear zones follow Snell's law of light refraction.

  4. Imaging atoms in 3-D

    ScienceCinema (OSTI)

    Ercius, Peter

    2014-06-27

    Berkeley Lab's Peter Ercius discusses "Imaging atoms in 3-D" in this Oct. 28, 2013 talk, which is part of a Science at the Theater event entitled Eight Big Ideas

  5. Imaging atoms in 3-D

    SciTech Connect (OSTI)

    Ercius, Peter

    2013-10-31

    Berkeley Lab's Peter Ercius discusses "Imaging atoms in 3-D" in this Oct. 28, 2013 talk, which is part of a Science at the Theater event entitled Eight Big Ideas

  6. Thermionic converter

    DOE Patents [OSTI]

    Fitzpatrick, G.O.

    1987-05-19

    A thermionic converter is set forth which includes an envelope having an electron collector structure attached adjacent to a wall. An electron emitter structure is positioned adjacent the collector structure and spaced apart from opposite wall. The emitter and collector structures are in a common chamber. The emitter structure is heated substantially only by thermal radiation. Very small interelectrode gaps can be maintained utilizing the thermionic converter whereby increased efficiency results. 10 figs.

  7. Idea Generation 3D printing

    E-Print Network [OSTI]

    Papadopouli, Maria

    is a national research centre focused on smart electrical grid and energy storage technology, which Centre micro and nanoscale 15 Taking 3D printing to the nanoscale 18 Fighting cancer with a "lab of wireless speeds 24 Winners of erc grants electrical transportation 25 The power of electrical roads 27

  8. Characterization of 3D Photovoltaics

    E-Print Network [OSTI]

    Characterization of 3D Photovoltaics SEMICONDUCTORS Our goal is to provide industry with test structures and models of next-generation photovoltaics, with an initial focus on cadmium telluride (Cd (nanostructured) photovoltaic devices. Objective Impact and Customers · The U.S. Photovoltaic Industry Roadmap

  9. SciTech Connect: "3d printing"

    Office of Scientific and Technical Information (OSTI)

    3d printing" Find + Advanced Search Term Search Semantic Search Advanced Search All Fields: "3d printing" Semantic Semantic Term Title: Full Text: Bibliographic Data: Creator ...

  10. 3D interactive pictorial maps 

    E-Print Network [OSTI]

    Naz, Asma

    2005-02-17

    will be used for data representation. I created the map of the United States of America and Europe. I displayed and compared the population density, and political stature of the states or countries by changing the color or heights of the 3D models of different... of height of models. The shades or patterns that represent each data must be clearly identifiable, not only on the legend, where the category boxes are ordered, but also on the map, where there is no predetermined order. If the shades are too similar...

  11. 3D Structures of Biomolecules

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D Printed3DJohn

  12. Part removal of 3D printed parts

    E-Print Network [OSTI]

    Peña Doll, Mateo

    2014-01-01

    An experimental study was performed to understand the correlation between printing parameters in the FDM 3D printing process, and the force required to remove a part from the build platform of a 3D printing using a patent ...

  13. The Makerbot: Desktop 3D printing

    E-Print Network [OSTI]

    Roughan, Matthew

    The Makerbot: Desktop 3D printing Matthew Roughan School of Mathematical Sciences matthew is Lots of maths hidden in something like 3D printing Geometry and Linear algebra ++ Same math used

  14. A view-sequential 3D display

    E-Print Network [OSTI]

    Cossairt, Oliver S. (Oliver Strider), 1978-

    2003-01-01

    This thesis outlines the various techniques for creating electronic 3D displays and analyzes their commercial potential. The thesis argues for the use of view-sequential techniques in the design of 3D displays based on ...

  15. 3D Printing Prof. Hank Dietz

    E-Print Network [OSTI]

    Dietz, Henry G. "Hank"

    #12;Our 3D Printer It's a MakerGear M2, cost about $1700 We extrude 1.75mm diameter PLA filament3D Printing Prof. Hank Dietz TCMS, March 14, 2014 University of Kentucky Electrical & Computer/Craft: paper moves in Y, knife in X EDM/Laser: X/Y bed, vaporizes material #12;Subtractive 3D CNC: Computer

  16. Sculplexity: Sculptures of Complexity using 3D printing

    E-Print Network [OSTI]

    Reiss, D S; Evans, T S

    2014-01-01

    We show how to convert models of complex systems such as 2D cellular automata into a 3D printed object. Our method takes into account the limitations inherent to 3D printing processes and materials. Our approach automates the greater part of this task, bypassing the use of CAD software and the need for manual design. As a proof of concept, a physical object representing a modified forest fire model was successfully printed. Automated conversion methods similar to the ones developed here can be used to create objects for research, for demonstration and teaching, for outreach, or simply for aesthetic pleasure. As our outputs can be touched, they may be particularly useful for those with visual disabilities.

  17. RELAP5-3D User Problems

    SciTech Connect (OSTI)

    Riemke, Richard Allan

    2002-09-01

    The Reactor Excursion and Leak Analysis Program with 3D capability1 (RELAP5-3D) is a reactor system analysis code that has been developed at the Idaho National Engineering and Environmental Laboratory (INEEL) for the U. S. Department of Energy (DOE). The 3D capability in RELAP5-3D includes 3D hydrodynamics2 and 3D neutron kinetics3,4. Assessment, verification, and validation of the 3D capability in RELAP5-3D is discussed in the literature5,6,7,8,9,10. Additional assessment, verification, and validation of the 3D capability of RELAP5-3D will be presented in other papers in this users seminar. As with any software, user problems occur. User problems usually fall into the categories of input processing failure, code execution failure, restart/renodalization failure, unphysical result, and installation. This presentation will discuss some of the more generic user problems that have been reported on RELAP5-3D as well as their resolution.

  18. Printing 3D Models to the Genisys Xs 3D Printer By Sotiri Koyonos

    E-Print Network [OSTI]

    Illinois at Urbana-Champaign, University of

    Printing 3D Models to the Genisys Xs 3D Printer By Sotiri Koyonos VMIL Consultant 28 February 2003's Genisys Xs 3D printer. This document assumes that you have created a stereo lithography file (*.stl Abstract This document outlines the process for manufacturing three dimensional (3D) models on the ITG

  19. 3D Site Response using NLSSI

    Broader source: Energy.gov [DOE]

    3D Site Response using NLSSI Justin Coleman, P.E. Bob Spears Nuclear Science and Technology Idaho National Laboratory October 22, 2014

  20. Advanced 3D Geophysical Imaging Technologies for Geothermal Resource...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    3D Geophysical Imaging Technologies for Geothermal Resource Characterization Advanced 3D Geophysical Imaging Technologies for Geothermal Resource Characterization Advanced 3D...

  1. 3-D seismology in the Arabian Gulf

    SciTech Connect (OSTI)

    Al-Husseini, M. [Gulf PetroLink, Manama (Bahrain); Chimblo, R. [Saudi Aramco, Dhahran (Saudi Arabia)

    1995-08-01

    Since 1977 when Aramco and GSI (Geophysical Services International) pioneered the first 3-D seismic survey in the Arabian Gulf, under the guidance of Aramco`s Chief Geophysicist John Hoke, 3-D seismology has been effectively used to map many complex subsurface geological phenomena. By the mid-1990s extensive 3-D surveys were acquired in Abu Dhabi, Oman, Qatar and Saudi Arabia. Also in the mid-1990`s Bahrain, Kuwait and Dubai were preparing to record surveys over their fields. On the structural side 3-D has refined seismic maps, focused faults and fractures systems, as well as outlined the distribution of facies, porosity and fluid saturation. In field development, 3D has not only reduced drilling costs significantly, but has also improved the understanding of fluid behavior in the reservoir. In Oman, Petroleum Development Oman (PDO) has now acquired the first Gulf 4-D seismic survey (time-lapse 3D survey) over the Yibal Field. The 4-D survey will allow PDO to directly monitor water encroachment in the highly-faulted Cretaceous Shu`aiba reservoir. In exploration, 3-D seismology has resolved complex prospects with structural and stratigraphic complications and reduced the risk in the selection of drilling locations. The many case studies from Saudi Arabia, Oman, Qatar and the United Arab Emirates, which are reviewed in this paper, attest to the effectiveness of 3D seismology in exploration and producing, in clastics and carbonates reservoirs, and in the Mesozoic and Paleozoic.

  2. 3, 35433588, 2003 3-D air pollution

    E-Print Network [OSTI]

    Boyer, Edmond

    ACPD 3, 3543­3588, 2003 3-D air pollution modelling L. M. Frohn et al. Title Page Abstract hemispheric nested air pollution model L. M. Frohn, J. H. Christensen, J. Brandt, C. Geels, and K. M. Hansen 2003 Correspondence to: L. M. Frohn (lmf@dmu.dk) 3543 #12;ACPD 3, 3543­3588, 2003 3-D air pollution

  3. Fabrication of 3D Silicon Sensors

    SciTech Connect (OSTI)

    Kok, A.; Hansen, T.E.; Hansen, T.A.; Lietaer, N.; Summanwar, A.; Kenney, C.; Hasi, J.; Da Via, C.; Parker, S.I.; /Hawaii U.

    2012-06-06

    Silicon sensors with a three-dimensional (3-D) architecture, in which the n and p electrodes penetrate through the entire substrate, have many advantages over planar silicon sensors including radiation hardness, fast time response, active edge and dual readout capabilities. The fabrication of 3D sensors is however rather complex. In recent years, there have been worldwide activities on 3D fabrication. SINTEF in collaboration with Stanford Nanofabrication Facility have successfully fabricated the original (single sided double column type) 3D detectors in two prototype runs and the third run is now on-going. This paper reports the status of this fabrication work and the resulted yield. The work of other groups such as the development of double sided 3D detectors is also briefly reported.

  4. RayKirchhoff multicomponent borehole seismic modelling in 3D heterogeneous, anisotropic media

    E-Print Network [OSTI]

    Edinburgh, University of

    of symmetry. This algorithm can be applied to vertical seismic profile (VSP) geometries and works well when; Anisotropy; Dipping reflectors; Converted waves 1. Introduction Using vertical seismic profiles (VSPsRay­Kirchhoff multicomponent borehole seismic modelling in 3D heterogeneous, anisotropic media $ A

  5. Merge2-3D: Combining Multiple Normal Maps with 3D Surfaces Sema Berkiten

    E-Print Network [OSTI]

    in computer graphics and vision, with demand for high-quality models driven by advances in 3D printing

  6. 3D Model Atmospheres for Extremely Low-Mass White Dwarfs

    E-Print Network [OSTI]

    Tremblay, P -E; Kilic, M; Ludwig, H -G; Steffen, M; Freytag, B; Hermes, J J

    2015-01-01

    We present an extended grid of mean three-dimensional (3D) spectra for low-mass, pure-hydrogen atmosphere DA white dwarfs (WDs). We use CO5BOLD radiation-hydrodynamics 3D simulations covering Teff = 6000-11,500 K and logg = 5-6.5 (cgs units) to derive analytical functions to convert spectroscopically determined 1D temperatures and surface gravities to 3D atmospheric parameters. Along with the previously published 3D models, the 1D to 3D corrections are now available for essentially all known convective DA WDs (i.e., logg = 5-9). For low-mass WDs, the correction in temperature is relatively small (a few per cent at the most), but the surface gravities measured from the 3D models are lower by as much as 0.35 dex. We revisit the spectroscopic analysis of the extremely low-mass (ELM) WDs, and demonstrate that the 3D models largely resolve the discrepancies seen in the radius and mass measurements for relatively cool ELM WDs in eclipsing double WD and WD + milli-second pulsar binary systems. We also use the 3D cor...

  7. Generating 3D perspectives of textured volumetric scenes August 2005 Generating 3D perspectives

    E-Print Network [OSTI]

    Whelan, Paul F.

    Generating 3D perspectives of textured volumetric scenes August 2005 Generating 3D perspectives of textured volumetric scenes. Student Name: Michael Carmody Student ID: 98647636 Programme: Meng in Electronic Systems MEng in Electronic Systems 1 #12;Generating 3D perspectives of textured volumetric scenes

  8. Computer Modelling of 3D Geological Surface

    E-Print Network [OSTI]

    Kodge, B G

    2011-01-01

    The geological surveying presently uses methods and tools for the computer modeling of 3D-structures of the geographical subsurface and geotechnical characterization as well as the application of geoinformation systems for management and analysis of spatial data, and their cartographic presentation. The objectives of this paper are to present a 3D geological surface model of Latur district in Maharashtra state of India. This study is undertaken through the several processes which are discussed in this paper to generate and visualize the automated 3D geological surface model of a projected area.

  9. Physical sectioning in 3D biological microscopy 

    E-Print Network [OSTI]

    Guntupalli, Jyothi Swaroop

    2009-05-15

    Our ability to analyze the microstructure of biological tissue in three dimensions (3D) has proven invaluable in modeling its functionality, and therefore providing a better understanding of the basic mechanisms of life. ...

  10. 3-D Model for Deactivation & Decommissioning

    Broader source: Energy.gov [DOE]

    The design and production of 3-D scale models that replicate the highly contaminated structures within the nuclear facility would provide a significant improvement in visualization of the work...

  11. 3D TORUS V1.0

    Energy Science and Technology Software Center (OSTI)

    002440MLTPL00 3D Torus Routing Engine Module for OFA OpenSM v. 1.0  http://www.openfabrics.org/git?p=sashak/management.git;a=sum 

  12. Ames Lab 101: 3D Metals Printer

    SciTech Connect (OSTI)

    Ott, Ryan

    2014-02-13

    To meet one of the biggest energy challenges of the 21st century - finding alternatives to rare-earth elements and other critical materials - scientists will need new and advanced tools. The Critical Materials Institute at the U.S. Department of Energy's Ames Laboratory has a new one: a 3D printer for metals research. 3D printing technology, which has captured the imagination of both industry and consumers, enables ideas to move quickly from the initial design phase to final form using materials including polymers, ceramics, paper and even food. But the Critical Materials Institute (CMI) will apply the advantages of the 3D printing process in a unique way: for materials discovery.

  13. Ames Lab 101: 3D Metals Printer

    ScienceCinema (OSTI)

    Ott, Ryan

    2014-06-04

    To meet one of the biggest energy challenges of the 21st century - finding alternatives to rare-earth elements and other critical materials - scientists will need new and advanced tools. The Critical Materials Institute at the U.S. Department of Energy's Ames Laboratory has a new one: a 3D printer for metals research. 3D printing technology, which has captured the imagination of both industry and consumers, enables ideas to move quickly from the initial design phase to final form using materials including polymers, ceramics, paper and even food. But the Critical Materials Institute (CMI) will apply the advantages of the 3D printing process in a unique way: for materials discovery.

  14. 3D Self-Portraits Etienne Vouga2

    E-Print Network [OSTI]

    O'Brien, James F.

    scanning pose change output reconstruction textured reconstruction large variety of examples3D print Figure for applications such as online avatars or 3D printing (the miniature shown here was printed using a ZPrinter 650 and accurate cap- ture system for 3D self-portraits using a single 3D sensor. Figure 2: 3D printed miniatures

  15. 3D Modeling Engine Representation Summary Report

    SciTech Connect (OSTI)

    Steven Prescott; Ramprasad Sampath; Curtis Smith; Timothy Yang

    2014-09-01

    Computers have been used for 3D modeling and simulation, but only recently have computational resources been able to give realistic results in a reasonable time frame for large complex models. This summary report addressed the methods, techniques, and resources used to develop a 3D modeling engine to represent risk analysis simulation for advanced small modular reactor structures and components. The simulations done for this evaluation were focused on external events, specifically tsunami floods, for a hypothetical nuclear power facility on a coastline.

  16. Fourier transform of the 3d NS equations The 3d NS equations are

    E-Print Network [OSTI]

    Salmon, Rick

    1 Fourier transform of the 3d NS equations The 3d NS equations are (1) vi t + vj vi xj = - p xi easily add it in at the end. Our interest is in the advection and pressure terms. Introducing the Fourier transforms (2) vi x( ) = ui k( )eikx k p x( ) = p k( )eikx k we obtain the Fourier transform of (1

  17. View Dependence of 3D Recovery from Folded Pictures and Warped 3D Faces

    E-Print Network [OSTI]

    Cavanagh, Patrick

    View Dependence of 3D Recovery from Folded Pictures and Warped 3D Faces Patrick Cavanagh Department vertical lines through the nose and the eyes. When this folded picture is tilted back and forth, the same is true, over a more restricted range of angles, as we move in front of a picture of an object

  18. 3D engine for immersive virtual environments 

    E-Print Network [OSTI]

    Anderson, Christopher Dean

    2005-02-17

    The purpose of this project is to develop a software framework, a 3D engine, which will generate images to be projected onto facets of a spatially immersive display (SID). The goal is to develop a software library to support the creation of images...

  19. 3D tracking via body radio reflections

    E-Print Network [OSTI]

    Kabelac, Zachary (Zachary E.)

    2014-01-01

    This thesis presents WiTrack, a system that tracks the 3D motion of a user from the radio signals reflected off her body. It works even if the person is occluded from the WiTrack device or in a different room. WiTrack does ...

  20. 3-D hydro + cascade model at RHIC

    E-Print Network [OSTI]

    Chiho Nonaka; Steffen A. Bass

    2005-11-07

    We present a 3-D hydro + cascade model in which viscosity and a realistic freezeout process for the hadronic phase are taken into account. We compare our results to experimental data and discuss the finite state interaction effects on physical observables.

  1. Speed-line for 3D animation 

    E-Print Network [OSTI]

    Song, Won Chan

    2007-04-25

    My thesis describes a tool which creates speed-lines automatically in 3D computer animations. Speed-lines are usually used in comic books to express fast motions in a still image. They are also used in 2D animations. Although animations don't need...

  2. Energy Savings in 3-D | ornl.gov

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Energy savings in 3-D ORNL researchers show production, energy advantages of additive manufacturing ORNL 3-D printer in use. ORNL 3-D printer in use. Researchers at the Department...

  3. 3D Printed and Semiconductor Technology 'Mash-up' | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    to 60 in under five seconds. Concept to reality in just six weeks. Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life 3-D Printed Inverter Novel 3-D Printed...

  4. Power Converters for Accelerators

    E-Print Network [OSTI]

    Visintini, R

    2015-01-01

    Particle accelerators use a great variety of power converters for energizing their sub-systems; while the total number of power converters usually depends on the size of the accelerator or combination of accelerators (including the experimental setup), the characteristics of power converters depend on their loads and on the particle physics requirements: this paper aims to provide an overview of the magnet power converters in use in several facilities worldwide.

  5. Switching Power Converter A/D Converters

    E-Print Network [OSTI]

    to make intelligent decisions on load and system management prior to system faults. With the increased use of the converter [1]. Traditionally, system monitoring and control is performed by a central power management

  6. Fast 3D Scanning for Biometric Identification and Verification

    E-Print Network [OSTI]

    McShea, Daniel W.

    Fast 3D Scanning for Biometric Identification and Verification June 2011 Authors Anselmo., & Chen, A. (2011). Fast 3D Scanning for Biometric Identification and Verification. (Prepared by RTI

  7. Visualization and Analysis of 3D Gene Expression Data (Technical...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: Visualization and Analysis of 3D Gene Expression Data Citation Details In-Document Search Title: Visualization and Analysis of 3D Gene Expression Data Recent...

  8. 3D Printing in 30 Seconds | Department of Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    3D Printing in 30 Seconds 3D Printing in 30 Seconds Addthis An error occurred. Unable to execute Javascript. Duration :38 Topic Science & Technology...

  9. From pictures to 3D : global optimization for scene reconstruction

    E-Print Network [OSTI]

    Chandraker, Manmohan Krishna

    2009-01-01

    SAN DIEGO From Pictures to 3D: Global Optimization for SceneOF THE DISSERTATION From Pictures to 3D: Global Optimization

  10. 3D Technology for intelligent trackers

    SciTech Connect (OSTI)

    Lipton, Ronald; /Fermilab

    2010-09-01

    At Super-LHC luminosity it is expected that the standard suite of level 1 triggers for CMS will saturate. Information from the tracker will be needed to reduce trigger rates to satisfy the level 1 bandwidth. Tracking trigger modules which correlate information from closely-spaced sensor layers to form an on-detector momentum filter are being developed by several groups. We report on a trigger module design which utilizes three dimensional integrated circuit technology incorporating chips which are connected both to the top and bottom sensor, providing the ability to filter information locally. A demonstration chip, the VICTR, has been submitted to the Chartered/Tezzaron two-tier 3D run coordinated by Fermilab. We report on the 3D design concept, the status of the VICTR chip and associated sensor integration utilizing oxide bonding.

  11. 3D Structure and Nuclear Targets

    E-Print Network [OSTI]

    Dupré, R

    2015-01-01

    Recent experimental and theoretical ideas are laying the ground for a new era in the knowledge of the parton structure of nuclei. We report on two promising directions beyond inclusive deep inelastic scattering experiments, aimed at, among other goals, unveiling the three dimensional structure of the bound nucleon. The 3D structure in coordinate space can be accessed through deep exclusive processes, whose non-perturbative content is parametrized in terms of generalized parton distributions. In this way the distribution of partons in the transverse plane will be obtained, providing a pictorial view of the realization of the European Muon Collaboration effect. In particular, we show how, through the generalized parton distribution framework, non nucleonic degrees of freedom in nuclei can be unveiled. Analogously, the momentum space 3D structure can be accessed by studying transverse momentum dependent parton distributions in semi-inclusive deep inelastic scattering processes. The status of measurements is also...

  12. Azimuthally Anisotropic 3D Velocity Continuation

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Burnett, William; Fomel, Sergey

    2011-01-01

    We extend time-domain velocity continuation to the zero-offset 3D azimuthally anisotropic case. Velocity continuation describes how a seismic image changes given a change in migration velocity. This description turns out to be of a wave propagation process, in which images change along a velocity axis. In the anisotropic case, the velocity model is multiparameter. Therefore, anisotropic image propagation is multidimensional. We use a three-parameter slowness model, which is related to azimuthal variations in velocity, as well as their principal directions. This information is useful for fracture and reservoir characterization from seismic data. We provide synthetic diffraction imaging examples to illustratemore »the concept and potential applications of azimuthal velocity continuation and to analyze the impulse response of the 3D velocity continuation operator.« less

  13. 3D Printing of Scintillating Materials

    E-Print Network [OSTI]

    Y. Mishnayot; M. Layani; I. Cooperstein; S. Magdassi; G. Ron

    2014-06-15

    We demonstrate, for the first time, the applicability of 3D printing technique to the manufacture of scintillation detectors. We report of a formulation, usable in stereolithographic printing, that exhibits scintillation efficiency on the order of 30\\% of that of commercial polystyrene based scintillators. We discuss the applicability of these techniques and propose future enhancements that will allow tailoring the printed scintillation detectors to various application.

  14. 3D Printing of Scintillating Materials

    E-Print Network [OSTI]

    Mishnayot, Y; Cooperstein, I; Magdassi, S; Ron, G

    2014-01-01

    We demonstrate, for the first time, the applicability of 3D printing technique to the manufacture of scintillation detectors. We report of a formulation, usable in stereolithographic printing, that exhibits scintillation efficiency on the order of 30\\% of that of commercial polystyrene based scintillators. We discuss the applicability of these techniques and propose future enhancements that will allow tailoring the printed scintillation detectors to various application.

  15. Completing unknown portions of 3D scenes by 3D visual propagation 

    E-Print Network [OSTI]

    Breckon, Toby P

    As the requirement for more realistic 3D environments is pushed forward by the computer {graphics | movie | simulation | games} industry, attention turns away from the creation of purely synthetic, artist derived environments towards the use of real...

  16. Scanning and Printing Persons in 3D Jurgen Sturm1

    E-Print Network [OSTI]

    Lunds Universitet

    miniatures of persons using a Kinect sensor and a 3D color printer. To achieve this, we acquire color- through in rapid prototyping in recent years. Modern 3D printers are able to print colored 3D models at resolutions comparable to 2D paper printers. On the one hand, the creation of a detailed, printable 3D model

  17. Non-Realistic 3D Object Stylization Julian Kratt1

    E-Print Network [OSTI]

    Sharf, Andrei

    or might be printed using a 3D printer. We conducted a user study to verify the proposed stylizationsNon-Realistic 3D Object Stylization Julian Kratt1 Ferdinand Eisenkeil1 S¨oren Pirk1 Andrei Sharf2 paradigm of non-realistic 3D stylization, where the expressiveness of a given 3D model is man- ifested

  18. AUTOCOSTRUIRSI UNA STAMPANTE 3D Da Dove Iniziare?

    E-Print Network [OSTI]

    AUTOCOSTRUIRSI UNA STAMPANTE 3D #12;Da Dove Iniziare? Quale sarà la 3D Printer più adatta al mio stampante 3D partendo da zero? · E' meglio che acquisto un kit di montaggio anche se più caro? E' STATA UNA progetto sarà la costruzione di una stampante 3D. ATTENZIONE: Il fab lab non ti fa il lavoro ma ti supporta

  19. Web 3D Rendering Without Plug-Ins Andrs Buritic

    E-Print Network [OSTI]

    Dahlquist, Kam D.

    OpenJSGL Web 3D Rendering Without Plug-Ins Andrés Buriticá Loyola Marymount University Faculty, 2007 Introduction 3D graphics Applications The Worldwide Web #12;Concept OpenGL JavaScript OpenJSGL Previous Work: 3D In A Browser Java applets Flash JavaScript VRML, later called X3D Java Web Start Other

  20. CAN 3D PRINTING REVOLUTIONIZE GLOBAL MANUFACTURING? A DELPHI STUDY

    E-Print Network [OSTI]

    CAN 3D PRINTING REVOLUTIONIZE GLOBAL MANUFACTURING? A DELPHI STUDY ­ Master Thesis Proposal ­ BACKGROUND 3D printing (or additive manufacturing) is not an entirely new phenomenon. First introduced and president of Foxconn, calls it a nice "gimmick" and even Nick Allen, founder of 3D printing company 3D Print

  1. 3D Printing of Functional and Biological Materials

    E-Print Network [OSTI]

    ! 3D Printing of Functional and Biological Materials Jennifer A. Lewis Wyss Professor)! Multimaterial 3D printing ! #12;3D antennas! Li ion microbatteries! Lightweight microlattices!Flexible sensors! 3D Printing of Integrated Electronic Devices ! #12;20 nm average , 5 ­ 50 nm

  2. Interleaved power converter

    DOE Patents [OSTI]

    Zhu, Lizhi (Canton, MI)

    2007-11-13

    A power converter architecture interleaves full bridge converters to alleviate thermal management problems in high current applications, and may, for example, double the output power capability while reducing parts count and costs. For example, one phase of a three phase inverter is shared between two transformers, which provide power to a rectifier such as a current doubler rectifier to provide two full bridge DC/DC converters with three rather than four high voltage inverter legs.

  3. Universal thermochemical energy converter

    DOE Patents [OSTI]

    Labinov, Solomon Davidovich (Oak Ridge, TN); Sand, James R. (Oak Ridge, TN); Conklin, James C. (Knoxville, TN); VanCoevering, James (Oak Ridge, TN); Courville, George E. (Oak Ridge, TN)

    2001-01-01

    Disclosed are methods and apparatus for a thermochemical closed cycle employing a polyatomic, chemically active working fluid for converting heat energy into useful work.

  4. 1998 3D GIS vs Advanced visualisation -Hack & Ozmutlu -LWI Seminar 1 3D-GIS vs Advanced Visualization

    E-Print Network [OSTI]

    Hack, Robert

    1998 3D GIS vs Advanced visualisation - Hack & Ozmutlu - LWI Seminar 1 3D-GIS vs Advanced Visualization Hack H.R.G.K. and Ozmutlu S. LWI seminar 1998 Delft, The Netherlands #12;1998 3D GIS vs Advanced visualisation - Hack & Ozmutlu - LWI Seminar 2 3D-GIS vs Advanced Visualization Visualization Strategy At source

  5. 3D reconstruction of tensors and vectors

    SciTech Connect (OSTI)

    Defrise, Michel; Gullberg, Grant T.

    2005-02-17

    Here we have developed formulations for the reconstruction of 3D tensor fields from planar (Radon) and line-integral (X-ray) projections of 3D vector and tensor fields. Much of the motivation for this work is the potential application of MRI to perform diffusion tensor tomography. The goal is to develop a theory for the reconstruction of both Radon planar and X-ray or line-integral projections because of the flexibility of MRI to obtain both of these type of projections in 3D. The development presented here for the linear tensor tomography problem provides insight into the structure of the nonlinear MRI diffusion tensor inverse problem. A particular application of tensor imaging in MRI is the potential application of cardiac diffusion tensor tomography for determining in vivo cardiac fiber structure. One difficulty in the cardiac application is the motion of the heart. This presents a need for developing future theory for tensor tomography in a motion field. This means developing a better understanding of the MRI signal for diffusion processes in a deforming media. The techniques developed may allow the application of MRI tensor tomography for the study of structure of fiber tracts in the brain, atherosclerotic plaque, and spine in addition to fiber structure in the heart. However, the relations presented are also applicable to other fields in medical imaging such as diffraction tomography using ultrasound. The mathematics presented can also be extended to exponential Radon transform of tensor fields and to other geometric acquisitions such as cone beam tomography of tensor fields.

  6. Tailorable 3D microfabrication for photonic applications: two-polymer microtransfer molding (proceedings paper)

    SciTech Connect (OSTI)

    Lee, Jae-Hwang; kim, Chang-Hwan; Constant, Kristen; Ho, Kai-Ming

    2006-02-28

    For photonic devices, extending beyond the planar regime to the third dimension can allow a higher degree of integration and novel functionalities for applications such as photonic crystals and integrated optical circuits. Although conventional photolithography can achieve both high quality and structural control, it is still costly and slow for three-dimensional (3D) fabrication. Moreover, as diverse functional polymers emerge, there is potential to develop new techniques for quick and economical fabrication of 3D structures. We present a 3D microfabrication technique based on the soft lithographic technique, called two-polymer microtransfer molding (2P-{micro}TM) to accomplish low cost, high structural fidelity and tailorable 3D microfabrication for polymers. Using 2P-{micro}TM, highly layered polymeric microstructures are achievable by stacking planar structures layer by layer. For increased processing control, the surface chemistry of the polymers is characterized as a function of changing ultraviolet dosage to optimize yield in layer transfer. We discuss the application of the 2P-{micro}TM to build polymer templates for woodpile photonic crystals, and demonstrate methods for converting the polymer templates to dielectric and metallic photonic crystal structures. Finally, we will show that 2P-{micro}TM is promising for fabricating 3D polymeric optical waveguides.

  7. 3D Monitoring of LHCb Inner Tracker

    E-Print Network [OSTI]

    Sainvitu, Pascal

    2015-01-01

    The positions of the Inner Tracker (IT) detectors of the LHCb experiment installed in the LHC at CERN are impacted by the LHCb dipole magnet powering. In the past the movements of the stations have been measured using standard survey methods during magnet tests in shutdown periods. But the survey targets are visible only in very narrow spaces and the access to the IT is very difficult, even impossible in the central region when the detector is closed. Finally the precision of the standard survey measurement is affected by the poor configuration. In 2013 and 2014, during the first long shutdown of the LHC (LS1), the CERN Survey team (EN/MEF-SU) in collaboration with the LHCb Technical Coordination and the EPFL (Ecole Polytechnique Fédérale de LAUSANNE, CH), developed a permanent monitoring system which has been tested and installed in order to allow the 3D position measurement of the IT stations, even during the run periods, with a precision of 100 microns at 1 sigma level. The 3D Monitoring system of the LH...

  8. 3D Structure and Nuclear Targets

    E-Print Network [OSTI]

    R. Dupré; S. Scopetta

    2015-10-03

    Recent experimental and theoretical ideas are laying the ground for a new era in the knowledge of the parton structure of nuclei. We report on two promising directions beyond inclusive deep inelastic scattering experiments, aimed at, among other goals, unveiling the three dimensional structure of the bound nucleon. The 3D structure in coordinate space can be accessed through deep exclusive processes, whose non-perturbative content is parametrized in terms of generalized parton distributions. In this way the distribution of partons in the transverse plane will be obtained, providing a pictorial view of the realization of the European Muon Collaboration effect. In particular, we show how, through the generalized parton distribution framework, non nucleonic degrees of freedom in nuclei can be unveiled. Analogously, the momentum space 3D structure can be accessed by studying transverse momentum dependent parton distributions in semi-inclusive deep inelastic scattering processes. The status of measurements is also summarized, in particular novel coincidence measurements at high luminosity facilities, such as Jefferson Laboratory. Finally the prospects for the next years at future facilities, such as the 12~GeV Jefferson Laboratory and the Electron Ion Collider, are presented.

  9. A parallel algorithm for 3D dislocation dynamics

    SciTech Connect (OSTI)

    Wang Zhiqiang [University of California - Los Angeles, Los Angeles, CA 90095-1597 (United States)]. E-mail: zhiqiang@lanl.gov; Ghoniem, Nasr [University of California - Los Angeles, Los Angeles, CA 90095-1597 (United States); Swaminarayan, Sriram [University of California, Los Alamos National Laboratory, Los Alamos, NM 87545 (United States); LeSar, Richard [University of California, Los Alamos National Laboratory, Los Alamos, NM 87545 (United States)

    2006-12-10

    Dislocation dynamics (DD), a discrete dynamic simulation method in which dislocations are the fundamental entities, is a powerful tool for investigation of plasticity, deformation and fracture of materials at the micron length scale. However, severe computational difficulties arising from complex, long-range interactions between these curvilinear line defects limit the application of DD in the study of large-scale plastic deformation. We present here the development of a parallel algorithm for accelerated computer simulations of DD. By representing dislocations as a 3D set of dislocation particles, we show here that the problem of an interacting ensemble of dislocations can be converted to a problem of a particle ensemble, interacting with a long-range force field. A grid using binary space partitioning is constructed to keep track of node connectivity across domains. We demonstrate the computational efficiency of the parallel micro-plasticity code and discuss how O(N) methods map naturally onto the parallel data structure. Finally, we present results from applications of the parallel code to deformation in single crystal fcc metals.

  10. Microminiature thermionic converters

    DOE Patents [OSTI]

    King, Donald B. (Albuquerque, NM); Sadwick, Laurence P. (Salt Lake City, UT); Wernsman, Bernard R. (Clairton, PA)

    2001-09-25

    Microminiature thermionic converts (MTCs) having high energy-conversion efficiencies and variable operating temperatures. Methods of manufacturing those converters using semiconductor integrated circuit fabrication and micromachine manufacturing techniques are also disclosed. The MTCs of the invention incorporate cathode to anode spacing of about 1 micron or less and use cathode and anode materials having work functions ranging from about 1 eV to about 3 eV. Existing prior art thermionic converter technology has energy conversion efficiencies ranging from 5-15%. The MTCs of the present invention have maximum efficiencies of just under 30%, and thousands of the devices can be fabricated at modest costs.

  11. The 3D shear velocity structure of the mantle from the inversion of

    E-Print Network [OSTI]

    Romanowicz, Barbara

    in 16 cubic b­splines with knots spaced to reflect the data sampling with depth. The power spectrum­Kermadec, Java, the paleosubduction zone be­ neath North America, and the Peru­Chile trench, show continuous fast

  12. Z-99 3D focussing operator estimation from sparse 3D data

    E-Print Network [OSTI]

    van Vliet, Lucas J.

    -line sampling criteria. Given the correct velocity model, and from the model the correct migration operators, these data-sets can be imaged very well by applying the 3D migration operators in a domain where full areal), whereby the imaging process was split up into two steps, focussing shots and receivers separately in depth

  13. 3DTV -PANORAMIC 3D MODEL ACQUISITION AND ITS 3D VISUALIZATION ON THE INTERACTIVE FOGSCREEN

    E-Print Network [OSTI]

    California at Santa Barbara, University of

    - ings in a neighborhood for a car chase or cultural heritage sites for a documentary. The goal of 3D. INTRODUCTION - MODEL ACQUISITION FLOW AND VISUALIZATION For 3DTV systems we present a platform with two on the interactive FogScreen Our new platform comprises an 8 Mpixel omnidirectional camera CI in conjunction

  14. Fab trees for designing complex 3D printable materials

    E-Print Network [OSTI]

    Wang, Ye, M. Eng. Massachusetts Institute of Technology

    2013-01-01

    With more 3D printable materials being invented, 3D printers nowadays could replicate not only geometries, but also appearance and physical properties. On the software side, the tight coupling between geometry and material ...

  15. A Desktop 3D Printer in Safety-Critical Java

    E-Print Network [OSTI]

    A Desktop 3D Printer in Safety-Critical Java Tórur Biskopstø Strøm Kongens Lyngby 2012 IMM-MSc-2012-critical use cases implemented according to the specification. This thesis presents a RepRap 3D desktop printer

  16. 3D Visualization of Water Transport in Ferns

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    3D Visualization of Water Transport in Ferns 3D Visualization of Water Transport in Ferns Print Monday, 08 April 2013 00:00 Plants transport water through elongated cells called...

  17. 3D printing rises to the occasion | ornl.gov

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    3D printing rises to the occasion ORNL group shows how it's done, one layer at a time A perforated metal box produced by an Arcam 3D printer. This detailed A perforated metal box...

  18. 3D Measurements in Images using CAD Models George Vosselman

    E-Print Network [OSTI]

    Vosselman, George

    the alignment. 1 Introduction Future geographical information systems will contain 3D and highly structured information. The development of procedures for the extraction of 3D object models from digital aerial imagery

  19. Tracking Objects Using 3D Edge Detectors February 2013

    E-Print Network [OSTI]

    O'Leary, Dianne P.

    Tracking Objects Using 3D Edge Detectors February 2013 SIAM CSE 2013 Dianne P. O'Leary c 2013 1 #12;Tracking Objects Using 3D Edge Detectors Dianne P. O'Leary Computer Science Dept. and Institute

  20. Energy Department Unveils 3D-Printed Building; New Initiatives...

    Office of Environmental Management (EM)

    Unveils 3D-Printed Building; New Initiatives During Industry Day Energy Department Unveils 3D-Printed Building; New Initiatives During Industry Day October 1, 2015 - 12:25pm...

  1. Visualization and Analysis of 3D Gene Expression Data (Technical...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: Visualization and Analysis of 3D Gene Expression Data Citation Details In-Document Search Title: Visualization and Analysis of 3D Gene Expression Data You are...

  2. Ames Lab 101: Real-Time 3D Imaging

    ScienceCinema (OSTI)

    Zhang, Song

    2012-08-29

    Ames Laboratory scientist Song Zhang explains his real-time 3-D imaging technology. The technique can be used to create high-resolution, real-time, precise, 3-D images for use in healthcare, security, and entertainment applications.

  3. Characterizing tensile loading responses of 3D printed samples

    E-Print Network [OSTI]

    Haid, Christopher M

    2014-01-01

    An experimental study was performed to characterize the loading response of samples manufactured through 3D printing. Tensile testing was performed on a number of 3D printed samples created through Fused Filament Fabrication ...

  4. 3D Simulations of Thermonuclear Supernovae From Very Massive Stars

    E-Print Network [OSTI]

    Crowther, Paul

    3D Simulations of Thermonuclear Supernovae From Very Massive Stars Ke-Jung (Ken) Chen Johnston #12;3D Simulations of Thermonuclear Supernovae From Very Massive Stars Ke-Jung (Ken) Chen Johnston

  5. Computational 3D and reflectivity imaging with high photon efficiency

    E-Print Network [OSTI]

    Shin, Dongeek

    2014-01-01

    Imaging the 3D structure and reflectivity of a scene can be done using photon-counting detectors. Traditional imagers of this type typically require hundreds of detected photons per pixel for accurate 3D and reflectivity ...

  6. 3-D Seismic Methods For Geothermal Reservoir Exploration And...

    Open Energy Info (EERE)

    3-D Seismic Methods For Geothermal Reservoir Exploration And Assessment-Summary Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: 3-D Seismic Methods For...

  7. Facial image comparison using 3D techniques Arnout Ruifroka

    E-Print Network [OSTI]

    Veltkamp, Remco

    and European Surface Anthropometry Resource) survey [3]. The main goal of the CAESAR-survey was to acquire 3D

  8. Development of monolithic 3D ion traps microfabricated

    E-Print Network [OSTI]

    Hensinger, Winfried

    surface traps [1,2], 2) 3D Au coated alumina [3-5],3) 3D degenerate Silicon [6], 4) monolithic 3D Ga. 6) Electroplating to 5 µm thickness of Au. Concept Fabrication method Potential -25 V 25 V 0 V

  9. 3D FOOT DIGITIZING AND ITS APPLICATION TO FOOTWEAR FITTING

    E-Print Network [OSTI]

    Juan, Alfons

    1 3D FOOT DIGITIZING AND ITS APPLICATION TO FOOTWEAR FITTING DIGITALISATION 3D DU PIED ET LEUR and methodological difficulties. The combination of 3D scanning systems with mathematical classification techniques for a given customer. In this paper, a new approach for customized classification (assignment) of comfortable

  10. 3-D Earth model more accurately pinpoints explosions

    E-Print Network [OSTI]

    - 1 - 3-D Earth model more accurately pinpoints explosions October 25, 2013 During the Cold War, U) have partnered to develop a 3-D model of the Earth's mantle and crust called SALSA3D (Sandia-Los Alamos of explosions. Significance of the research After an explosion, the energy travels through the Earth as waves

  11. Structural Optimization and 3D Printing Robert V. Kohn

    E-Print Network [OSTI]

    Structural Optimization and 3D Printing Robert V. Kohn Courant Institute, NYU SIAM CS&E Meeting, March 2015 Robert V. Kohn Structural Optimization and 3D Printing #12;Outline Mandate: identify areas with interesting open questions. Hence 3D printing and structural optimization. My involvement began

  12. 3D Computer Vision and Video Computing IntroductionIntroduction

    E-Print Network [OSTI]

    Zhu, Zhigang

    /Analysis/Interpretation Interpretation is an Artificial Intelligence Problem Sources of Knowledge in Vision Levels of Abstraction1 3D Computer Vision and Video Computing IntroductionIntroduction CSc I6716 Spring 2012 3D Computer Vision Introduction Instructor: Zhigang Zhu City College of New York zzhu@ccny.cuny.edu 3D Computer

  13. 3D Computer Vision and Video Computing IntroductionIntroduction

    E-Print Network [OSTI]

    Zhu, Zhigang

    /Analysis/Interpretation Interpretation is an Artificial Intelligence Problem Sources of Knowledge in Vision Levels of Abstraction1 3D Computer Vision and Video Computing IntroductionIntroduction CSc I6716 Spring 2011 3D Computer Vision Introduction Instructor: Zhigang Zhu City College of New York zzhu@ccny.cuny.edu 3D Computer

  14. 3D Computer Vision and Video Computing Introduction

    E-Print Network [OSTI]

    Zhu, Zhigang

    /Analysis/Interpretation Interpretation is an Artificial Intelligence Problem Sources of Knowledge in Vision Levels of Abstraction3D Computer Vision and Video Computing Introduction Instructor: Zhigang Zhu City College of New York zzhu@ccny.cuny.edu CSc I6716 Fall 2010 3D Computer Vision Introduction #12;3D Computer Vision

  15. 3D Computer Vision and Video Computing IntroductionIntroduction

    E-Print Network [OSTI]

    Zhu, Zhigang

    /Analysis/Interpretation Interpretation is an Artificial Intelligence Problem Sources of Knowledge in Vision Levels of Abstraction1 3D Computer Vision and Video Computing IntroductionIntroduction CSc I6716 Spring 2013 3D Computer Vision Introduction Instructor: Zhigang Zhu City College of New York zzhu@ccny.cuny.edu 3D Computer

  16. 3D Printing Prof. Hank Dietz & Paul Eberhart

    E-Print Network [OSTI]

    Dietz, Henry G. "Hank"

    3D Printing Prof. Hank Dietz & Paul Eberhart September 28, 2013 University of Kentucky Electrical/Craft: paper moves in Y, knife in X EDM/Laser: X/Y bed, vaporizes material #12;Subtractive 3D CNC: Computer "The whole is greater than the sum of its parts." ­ Aristotle #12;Additive 3D Building Material

  17. RESEARCH ARTICLE Strengthening of 3D Printed Fused

    E-Print Network [OSTI]

    Haller, Gary L.

    RESEARCH ARTICLE Strengthening of 3D Printed Fused Deposition Manufactured Parts Using the Fill as examples of 3D printed parts used in real-world applications. Introduction While the quality of additive to the wider-spread implementation of 3D- printed components continues to be the limited strength of printed

  18. 3D PRINTING FOR INTELLIGENT METALLIC STRUCTURES M. Strantza1

    E-Print Network [OSTI]

    Boyer, Edmond

    3D PRINTING FOR INTELLIGENT METALLIC STRUCTURES M. Strantza1 , D. De Baere2 , M. Rombouts3 , SSHM system is produced by 3D printing or additive manufacturing. Additive Manufacturing (AM) is a "process to enable its implementation. This work demonstrates the feasibility study of eSHM systems produced by 3D

  19. Voltage Converter TYPICAL APPLICATION

    E-Print Network [OSTI]

    Berns, Hans-Gerd

    1 LTC660 100mA CMOS Voltage Converter TYPICAL APPLICATION U s Simple Conversion of 5V to ­5V Supply s Output Drive: 100mA s ROUT: 6.5 (0.65V Loss at 100mA) s BOOST Pin (Pin 1) for Higher Switching Frequency-capacitor voltage converter. It performs supply voltage conversion from positive to negative from an input range

  20. Performance of a 3D Spectral code on the Cray T3D and IBM SP2 parallel supercomputers

    E-Print Network [OSTI]

    Brummell, Nic

    Performance of a 3D Spectral code on the Cray T3D and IBM SP2 parallel supercomputers Clive F of the new generation of distributed memory supercomputers, in particular the Cray T3D and IBM SP2, we of 256 3 and 512 3 . The first two tables are for the Cray T3D and the other two for the IBM SP2

  1. Reduced shear power spectrum

    SciTech Connect (OSTI)

    Dodelson, Scott; /Fermilab /Chicago U., Astron. Astrophys. Ctr. /Northwestern U.; Shapiro, Charles; /Chicago U. /KICP, Chicago; White, Martin J.; /UC, Berkeley, Astron.

    2005-08-01

    Measurements of ellipticities of background galaxies are sensitive to the reduced shear, the cosmic shear divided by (1-{kappa}) where {kappa} is the projected density field. They compute the difference between shear and reduced shear both analytically and with simulations. The difference becomes more important an smaller scales, and will impact cosmological parameter estimation from upcoming experiments. A simple recipe is presented to carry out the required correction.

  2. ZABULIS et al.: 3D HEAD POSE ESTIMATION FROM MULTIPLE DISTANT VIEWS 1 3D head pose estimation from multiple

    E-Print Network [OSTI]

    Zabulis, Xenophon

    imaging, despite the low-resolution appearance of subjects. 1 Introduction 3D head pose estimation. In such situations, a human head is imaged in relatively low resolution, illumination artifacts are frequentZABULIS et al.: 3D HEAD POSE ESTIMATION FROM MULTIPLE DISTANT VIEWS 1 3D head pose estimation from

  3. AUTOMATED RECOGNITION OF 3D CAD OBJECTS IN SITE LASER SCANS FOR PROJECT 3D STATUS VISUALIZATION AND

    E-Print Network [OSTI]

    Bosché, Frédéric

    15296) are being developed for project and facility life-cycle management. They are typically built upon control (QA/QC), and (4) life-cycle 3D health monitoring. On one side, multi-dimensional CAD softwareAUTOMATED RECOGNITION OF 3D CAD OBJECTS IN SITE LASER SCANS FOR PROJECT 3D STATUS VISUALIZATION

  4. Programao Grfica 3D com OpenGL, Open Inventor e Java 3D ALESSANDRO L. BICHO

    E-Print Network [OSTI]

    Barbosa, Alberto

    Programação Gráfica 3D com OpenGL, Open Inventor e Java 3D ALESSANDRO L. BICHO ½ LUIZ GONZAGA DA estudado a Open Inventor, uma ØÓÓÐ Ø orientada a objetos construída sobre a OpenGL, contemplando funções a Java 3D, que é fortemente inspirada na Open Inventor. Ela é a biblioteca padrão da linguagem Java para

  5. Stack and cell modelling with SOFC3D: a computer program for the 3D simulations of

    E-Print Network [OSTI]

    Herbin, Raphaèle

    Stack and cell modelling with SOFC3D: a computer program for the 3D simulations of solid oxide fuel, France 1 Introduction SOFC3D is a computer program, which simulates the behaviour of a solid oxide fuel or the channels, the electrical potential \\Phi at any point of the solid part of the SOFC, and the molar fractions

  6. RELAP5-3D Compressor Model

    SciTech Connect (OSTI)

    James E. Fisher; Cliff B. Davis; Walter L. Weaver

    2005-06-01

    A compressor model has been implemented in the RELAP5-3D© code. The model is similar to that of the existing pump model, and performs the same function on a gas as the pump performs on a single-phase or two-phase fluid. The compressor component consists of an inlet junction and a control volume, and optionally, an outlet junction. This feature permits cascading compressor components in series. The equations describing the physics of the compressor are derived from first principles. These equations are used to obtain the head, the torque, and the energy dissipation. Compressor performance is specified using a map, specific to the design of the machine, in terms of the ratio of outlet-to-inlet total (or stagnation) pressure and adiabatic efficiency as functions of rotational velocity and flow rate. The input quantities are specified in terms of dimensionless variables, which are corrected to stagnation density and stagnation sound speed. A small correction was formulated for the input of efficiency to account for the error introduced by assumption of constant density when integrating the momentum equation. Comparison of the results of steady-state operation of the compressor model to those of the MIT design calculation showed excellent agreement for both pressure ratio and power.

  7. 3-D simulations of multiple beam klystrons

    SciTech Connect (OSTI)

    Smithe, David N.; Bettenhausen, Mike; Ludeking, Larry; Caryotakis, G.; Sprehn, Daryl; Scheitrum, Glenn [Mission Research Corporation, 8560 Cinderbed Rd., Suite 700, Newington, Virginia 22122 (United States); Stanford Linear Accelerator Center, 2575 Sand Hill Rd., Menlo Park, California 94025 (United States)

    1999-05-07

    The MAGIC3D simulation code is being used to assess the multi-dimensional physics issues relating to the design and operation of multiple beam klystrons. Investigations, to date, include a detailed study of the mode structure of the cavities in the 19-beam hexagonally packed geometry and a study of the velocity spread caused by the cavity mode's field profile. Some attempts to minimize this effect are investigated. Additional simulations have provided quantification of the beam loading Q in a dual input cavity, and optimization of a dual output cavity. An important goal of the simulations is an accurate picture of beam transport along the length of the MBK. We have quantified the magnitude and spatial variation of the beam-line space charge interactions within a cavity gap. Present simulations have demonstrated the transport of the beam through three cavities (the present limits of our simulation size) without difficulty; additional length simulations are expected. We have also examined unbalanced beam-line scenarios, e.g., one beam-line suppressed, and find little disturbance to the transport in individual cavity tests, with results for multiple cavity transport expected.

  8. Vector generator scan converter

    DOE Patents [OSTI]

    Moore, James M. (Livermore, CA); Leighton, James F. (Livermore, CA)

    1990-01-01

    High printing speeds for graphics data are achieved with a laser printer by transmitting compressed graphics data from a main processor over an I/O (input/output) channel to a vector generator scan converter which reconstructs a full graphics image for input to the laser printer through a raster data input port. The vector generator scan converter includes a microprocessor with associated microcode memory containing a microcode instruction set, a working memory for storing compressed data, vector generator hardward for drawing a full graphic image from vector parameters calculated by the microprocessor, image buffer memory for storing the reconstructed graphics image and an output scanner for reading the graphics image data and inputting the data to the printer. The vector generator scan converter eliminates the bottleneck created by the I/O channel for transmitting graphics data from the main processor to the laser printer, and increases printer speed up to thirty fold.

  9. Vector generator scan converter

    DOE Patents [OSTI]

    Moore, J.M.; Leighton, J.F.

    1988-02-05

    High printing speeds for graphics data are achieved with a laser printer by transmitting compressed graphics data from a main processor over an I/O channel to a vector generator scan converter which reconstructs a full graphics image for input to the laser printer through a raster data input port. The vector generator scan converter includes a microprocessor with associated microcode memory containing a microcode instruction set, a working memory for storing compressed data, vector generator hardware for drawing a full graphic image from vector parameters calculated by the microprocessor, image buffer memory for storing the reconstructed graphics image and an output scanner for reading the graphics image data and inputting the data to the printer. The vector generator scan converter eliminates the bottleneck created by the I/O channel for transmitting graphics data from the main processor to the laser printer, and increases printer speed up to thirty fold. 7 figs.

  10. Proceedings of 2011 NSF Engineering Research and Innovation Conference, Atlanta, Georgia Grant #0856420 LiDAR and optical imaging for 3-D fracture orientations

    E-Print Network [OSTI]

    Maerz, Norbert H.

    #0856420 LiDAR and optical imaging for 3-D fracture orientations Otoo, J. N., Maerz, N. H. Missouri manifest themselves in rock cuts as ,,facets that can be measured by LIDAR or fracture ,,traces that can mechanical break or fracture of negligible tensile strength, it has a low shear strength and high fluid

  11. Liquid metal thermal electric converter

    DOE Patents [OSTI]

    Abbin, Joseph P. (Albuquerque, NM); Andraka, Charles E. (Albuquerque, NM); Lukens, Laurance L. (Albuquerque, NM); Moreno, James B. (Albuquerque, NM)

    1989-01-01

    A liquid metal thermal electric converter which converts heat energy to electrical energy. The design of the liquid metal thermal electric converter incorporates a unique configuration which directs the metal fluid pressure to the outside of the tube which results in the structural loads in the tube to be compressive. A liquid metal thermal electric converter refluxing boiler with series connection of tubes and a multiple cell liquid metal thermal electric converter are also provided.

  12. Definition of Power Converters

    E-Print Network [OSTI]

    Bordry, F

    2015-01-01

    The paper is intended to introduce power conversion principles and to define common terms in the domain. The concept s of sources and switches are defined and classified. From the basic laws of source interconnections, a generic method of power converter synthesis is presented. Some examples illustrate this systematic method. Finally, the commutation cell and soft commuta tion are introduced and discussedd.

  13. Cookoff Response of PBXN-109: Material Characterization and ALE3D Thermal Predictions

    SciTech Connect (OSTI)

    McClelland, M A; Tran, T D; Cunningham, B J; Weese, R K; Maienschein, J L

    2001-08-21

    Materials properties measurements are made for the RDX-based explosive, PBXN-109, and initial ALE3D model predictions are given for the cookoff temperature in a U.S. Navy test. This work is part of an effort in the U.S. Navy and Department of Energy (DOE) laboratories to understand the thermal explosion behavior of this material. Benchmark cookoff experiments are being performed by the U.S. Navy to validate DOE materials models and computer codes. The ALE3D computer code can model the coupled thermal, mechanical, and chemical behavior of heating, ignition, and explosion in cookoff tests. In our application, a standard three-step step model is selected for the chemical kinetics. The strength behavior of the solid constituents is represented by a Steinberg-Guinan model while polynomial and gamma-law expressions are used for the Equation Of State (EOS) for the solid and gas species, respectively. Materials characterization measurements are given for thermal expansion, heat capacity, shear modulus, bulk modulus, and One-Dimensional-Time-to-Explosion (ODTX). These measurements and those of the other project participants are used to determine parameters in the ALE3D chemical, mechanical, and thermal models. Time-dependent, two-dimensional results are given for the temperature and material expansion. The results show predicted cookoff temperatures slightly higher than the measured values.

  14. Cookoff Response of PBXN-109: Material Characterization and ALE3D Thermal Predictions

    SciTech Connect (OSTI)

    McClelland, M A; Tran, T D; Cunningham, B J; Weese, R K; Maienschein, J L

    2001-05-29

    Materials properties measurements are made for the RDX-based explosive, PBXN-109, and initial ALE3D model predictions are given for the cookoff temperature in a U.S. Navy test. This work is part of an effort in the U.S. Navy and Department of Energy (DOE) laboratories to understand the thermal explosion behavior of this material. Benchmark cookoff experiments are being performed by the U.S. Navy to validate DOE materials models and computer codes. The ALE3D computer code can model the coupled thermal, mechanical, and chemical behavior of heating, ignition, and explosion in cookoff tests. In our application, a standard three-step step model is selected for the chemical kinetics. The strength behavior of the solid constituents is represented by a Steinberg-Guinan model while polynomial and gamma-law expressions are used for the Equation Of State (EOS) for the solid and gas species, respectively. Materials characterization measurements are given for thermal expansion, heat capacity, shear modulus, bulk modulus, and One-Dimensional-Time-to-Explosion (ODTX). These measurements and those of the other project participants are used to determine parameters in the ALE3D chemical, mechanical, and thermal models. Time-dependent, two-dimensional results are given for the temperature and material expansion. The results show predicted cookoff temperatures slightly higher than the measured values.

  15. ALE3D Model Predictions and Materials Characterization for the Cookoff Response of PBXN-109

    SciTech Connect (OSTI)

    McClelland, M A; Maienschein, J L; Nichols, A L; Wardell, J F; Atwood, A I; Curran, P O

    2002-03-19

    ALE3D simulations are presented for the thermal explosion of PBXN-109 (RDX, AI, HTPB, DOA) in support of an effort by the U. S. Navy and Department of Energy (DOE) to validate computational models. The U.S. Navy is performing benchmark tests for the slow cookoff of PBXN-109 in a sealed tube. Candidate models are being tested using the ALE3D code, which can simulate the coupled thermal, mechanical, and chemical behavior during heating, ignition, and explosion. The strength behavior of the solid constituents is represented by a Steinberg-Guinan model while polynomial and gamma-law expressions are used for the Equation Of State (EOS) for the solid and gas species, respectively. A void model is employed to represent the air in gaps. ALE3D model 'parameters are specified using measurements of thermal and mechanical properties including thermal expansion, heat capacity, shear modulus, and bulk modulus. A standard three-step chemical kinetics model is used during the thermal ramp, and a pressure-dependent burn front model is employed during the rapid expansion. Parameters for the three-step kinetics model are specified using measurements of the One-Dimensional-Time-to-Explosion (ODTX), while measurements for burn rate of pristine and thermally damaged material are employed to determine parameters in the burn front model. Results are given for calculations in which heating, ignition, and explosion are modeled in a single simulation. We compare model results to measurements for the cookoff temperature and tube wall strain.

  16. 3D Magnetotelluric Characterization Of The Geothermal Anomaly...

    Open Energy Info (EERE)

    3D Magnetotelluric Characterization Of The Geothermal Anomaly In The Llucmajor Aquifer System (Majorca, Spain) Jump to: navigation, search OpenEI Reference LibraryAdd to library...

  17. RELAP5-3D V. 4.X.X

    Energy Science and Technology Software Center (OSTI)

    000191MLTPL01 NON-NRC FUNDED RELAP5-3D VERSION 4.x.x SOFTWARE REACTOR EXCURSION AND LEAK ANALYSIS PACKAGE - THREE DIMENSIONAL   

  18. 3D Mt Resistivity Imaging For Geothermal Resource Assessment...

    Open Energy Info (EERE)

    3D Mt Resistivity Imaging For Geothermal Resource Assessment And Environmental Mitigation At The Glass Mountain Kgra, California Jump to: navigation, search OpenEI Reference...

  19. Novel 3-D Printed Inverters for Electric Vehicles Can Improve...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    and Efficiency 3D Printed and Semiconductor Technology 'Mash-up' The General Motors Baltimore Operations facility at White Marsh is producing electric motors for the Chevrolet...

  20. 3-D Combustion Simulation Strategy Status, Future Potential,...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Combustion Simulation Strategy Status, Future Potential, and Application Issues 3-D Combustion Simulation Strategy Status, Future Potential, and Application Issues 2004 Diesel...

  1. Fluid Imaging of Enhanced Geothermal Systems through Joint 3D...

    Open Energy Info (EERE)

    Fluid Imaging of Enhanced Geothermal Systems through Joint 3D Geophysical Inverse Modeling Geothermal Lab Call Project Jump to: navigation, search Last modified on July 22, 2011....

  2. Shear wall ultimate drift limits

    SciTech Connect (OSTI)

    Duffey, T.A.; Goldman, A.; Farrar, C.R.

    1994-04-01

    Drift limits for reinforced-concrete shear walls are investigated by reviewing the open literature for appropriate experimental data. Drift values at ultimate are determined for walls with aspect ratios ranging up to a maximum of 3.53 and undergoing different types of lateral loading (cyclic static, monotonic static, and dynamic). Based on the geometry of actual nuclear power plant structures exclusive of containments and concerns regarding their response during seismic (i.e.,cyclic) loading, data are obtained from pertinent references for which the wall aspect ratio is less than or equal to approximately 1, and for which testing is cyclic in nature (typically displacement controlled). In particular, lateral deflections at ultimate load, and at points in the softening region beyond ultimate for which the load has dropped to 90, 80, 70, 60, and 50 percent of its ultimate value, are obtained and converted to drift information. The statistical nature of the data is also investigated. These data are shown to be lognormally distributed, and an analysis of variance is performed. The use of statistics to estimate Probability of Failure for a shear wall structure is illustrated.

  3. Direct Numerical Simulation of Surfactant-Stabilized Emulsions Morphology and Shear Viscosity in Starting Shear Flow

    SciTech Connect (OSTI)

    Roar Skartlien; Espen Sollum; Andreas Akselsen; Paul Meakin

    2012-07-01

    A 3D lattice Boltzmann model for two-phase flow with amphiphilic surfactant was used to investigate the evolution of emulsion morphology and shear stress in starting shear flow. The interfacial contributions were analyzed for low and high volume fractions and varying surfactant activity. A transient viscoelastic contribution to the emulsion rheology under constant strain rate conditions was attributed to the interfacial stress. For droplet volume fractions below 0.3 and an average capillary number of about 0.25, highly elliptical droplets formed. Consistent with affine deformation models, gradual elongation of the droplets increased the shear stress at early times and reduced it at later times. Lower interfacial tension with increased surfactant activity counterbalanced the effect of increased interfacial area, and the net shear stress did not change significantly. For higher volume fractions, co-continuous phases with a complex topology were formed. The surfactant decreased the interfacial shear stress due mainly to advection of surfactant to higher curvature areas. Our results are in qualitative agreement with experimental data for polymer blends in terms of transient interfacial stresses and limited enhancement of the emulsion viscosity at larger volume fractions where the phases are co-continuous.

  4. The Geography of European Convertible Bonds: Why Firms Issue Convertibles?

    E-Print Network [OSTI]

    Saskatchewan, University of

    1 The Geography of European Convertible Bonds: Why Firms Issue Convertibles? Franck Bancel Usha R at the geography of CB issuance. The size and development of the CB market varies widely across countries and over

  5. Chopper: Partitioning models into 3D-printable parts

    E-Print Network [OSTI]

    Luo, Linjie

    3D printing technology is rapidly maturing and becoming ubiquitous. One of the remaining obstacles to wide-scale adoption is that the object to be printed must fit into the working volume of the 3D printer. We propose a ...

  6. Deep Learning Representation using Autoencoder for 3D Shape Retrieval

    E-Print Network [OSTI]

    Deep Learning Representation using Autoencoder for 3D Shape Retrieval Zhuotun Zhu, Xinggang Wang@hust.edu.cn Abstract--We study the problem of how to build a deep learning representation for 3D shape. Deep learning the features learned on 2D images. In addition, we show the proposed deep learning feature is complementary

  7. Noise Analysis and Synthesis for 3D Laser Depth Scanners

    E-Print Network [OSTI]

    Martin, Ralph R.

    Noise Analysis and Synthesis for 3D Laser Depth Scanners Xianfang Sun a,b,, Paul L. Rosin a , Ralph the noise present in range data measured by a Konica Minolta Vivid 910 scanner, in order to better characterise real scanner noise. Methods for denoising 3D mesh data have often assumed the noise to be Gaussian

  8. Density-Based Shape Descriptors for 3D Object Retrieval

    E-Print Network [OSTI]

    Yemez, Yücel

    position among competing methods. 1 Introduction There is a growing interest in 3D shape classification, matching and retrieval as 3D object models become more commonplace in various domains such as computer-aided design, medical imaging, molecular analysis and digital preser- vation of cultural heritage. The research

  9. 3D Wavelet-Based Filter and Method

    DOE Patents [OSTI]

    Moss, William C. (San Mateo, CA); Haase, Sebastian (San Francisco, CA); Sedat, John W. (San Francisco, CA)

    2008-08-12

    A 3D wavelet-based filter for visualizing and locating structural features of a user-specified linear size in 2D or 3D image data. The only input parameter is a characteristic linear size of the feature of interest, and the filter output contains only those regions that are correlated with the characteristic size, thus denoising the image.

  10. Kirchhoff prestack depth migration in 3-D simple models

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    Kirchhoff prestack depth migration in 3-D simple models: comparison of triclinic anisotropy depth migration to calculate migrated sections in 3-D simple anisotropic homogeneous velocity models interface. The anisotropy in the upper layer is triclinic. We apply Kirch- hoff prestack depth migration

  11. AUTOMATIC AND ROBUST SEMANTIC REGISTRATION OF 3D HEAD SCANS

    E-Print Network [OSTI]

    Eisert, Peter

    useful for error- prone vision techniques like stereo analysis but also for model based repairing for applications such as 3D graphics production and also for computer vision research. Laser scanners are the primeAUTOMATIC AND ROBUST SEMANTIC REGISTRATION OF 3D HEAD SCANS David C. Schneider, Peter Eisert

  12. A 3D Magnetic Force Manipulator DC Prototype

    E-Print Network [OSTI]

    North Carolina at Chapel Hill, University of

    A 3D Magnetic Force Manipulator DC Prototype Leandra Vicci Microelectronic Systems Laboratory optical field intensities which interact strongly with many materials and may produce undesired side;Leandra Vicci A 3D Magnetic Force Manipulator DC Prototype 17 October 2001 1 Conceptual design

  13. Large area 3D helical photonic crystals A. K. Rauba)

    E-Print Network [OSTI]

    New Mexico, University of

    of helical structures (3D photonic crystals) using a simple, parallel, large-area lithography processLarge area 3D helical photonic crystals A. K. Rauba) and S. R. J. Brueckb) Center for High, enabling a high index contrast chiral meta- material. Optical transmission measurements of these helical

  14. Unraveling the 3D genome: genomics tools for multiscale exploration

    E-Print Network [OSTI]

    Straight, Aaron

    Unraveling the 3D genome: genomics tools for multiscale exploration Viviana I. Risca and William J genome and the roles it may play in regulating transcription. Here we review core methods and new tools-scale chromosomal domains, and discuss the emerging pic- ture of the 3D genome that these tools have revealed. Blind

  15. Scatterplot3d an R package for Visualizing Multivariate Data

    E-Print Network [OSTI]

    Gotelli, Nicholas J.

    Scatterplot3d ­ an R package for Visualizing Multivariate Data Uwe Ligges and Martin M Software: Ligges, U. and M¨achler, M. (2003): Scatterplot3d ­ an R Package for Visualizing Multivariate for the visualization of multivariate data in a three dimensional space. R is a "language for data analysis and graphics

  16. Energy Effective 3D Stacked Hybrid NEMFET-CMOS Caches

    E-Print Network [OSTI]

    Cotofana, Sorin

    Energy Effective 3D Stacked Hybrid NEMFET-CMOS Caches Mihai Lefter, Marius Enachescu, George Razvan-stacked hybrid memories as alternative to traditional CMOS SRAMs in L1 and L2 cache implementations and analyse-per-Cycle (IPC) and energy consumption. The 3D hybrid memory cell relies on: (i) a Short Circuit Current Free

  17. 3-D Facial Imaging for Identification Anselmo Lastra

    E-Print Network [OSTI]

    McShea, Daniel W.

    Elkins ­ Ali Farsaie ­ Ping Zhuang #12;The Vision · For program like Global Entry, NEXUS, or SENTRI Right Camera Making the 3D Model · If we can identify same point in 2 views, we can compute depth at that point, and thus 3D model #12;Big Problem: Correspondence · What if we can't find corresponding point

  18. CREATING 3D ANIMATED HUMAN BEHAVIORS FOR VIRTUAL WORLDS

    E-Print Network [OSTI]

    Plotkin, Joshua B.

    i CREATING 3D ANIMATED HUMAN BEHAVIORS FOR VIRTUAL WORLDS Jan M. Allbeck A DISSERTATION in Computer, and a scholar. #12;iv ABSTRACT CREATING 3D ANIMATED HUMAN BEHAVIORS FOR VIRTUAL WORLDS Jan M. Allbeck Norman I. Badler Creating virtual scenarios that simulate a substantial human population with typical and varied

  19. FSU Office of Research Program in Interdisciplinary Computing (PIC) What is 3D printing?

    E-Print Network [OSTI]

    Ronquist, Fredrik

    (PIC) What is 3D printing? 3D printing is a process of making. 3D printing is distinct from traditional machining techniques, which mostly organs, meat, circuit boards and batteries. 3D printing impacts nearly every

  20. Cycloidal Wave Energy Converter

    SciTech Connect (OSTI)

    Stefan G. Siegel, Ph.D.

    2012-11-30

    This program allowed further advancing the development of a novel type of wave energy converter, a Cycloidal Wave Energy Converter or CycWEC. A CycWEC consists of one or more hydrofoils rotating around a central shaft, and operates fully submerged beneath the water surface. It operates under feedback control sensing the incoming waves, and converts wave power to shaft power directly without any intermediate power take off system. Previous research consisting of numerical simulations and two dimensional small 1:300 scale wave flume experiments had indicated wave cancellation efficiencies beyond 95%. The present work was centered on construction and testing of a 1:10 scale model and conducting two testing campaigns in a three dimensional wave basin. These experiments allowed for the first time for direct measurement of electrical power generated as well as the interaction of the CycWEC in a three dimensional environment. The Atargis team successfully conducted two testing campaigns at the Texas A&M Offshore Technology Research Center and was able to demonstrate electricity generation. In addition, three dimensional wave diffraction results show the ability to achieve wave focusing, thus increasing the amount of wave power that can be extracted beyond what was expected from earlier two dimensional investigations. Numerical results showed wave cancellation efficiencies for irregular waves to be on par with results for regular waves over a wide range of wave lengths. Using the results from previous simulations and experiments a full scale prototype was designed and its performance in a North Atlantic wave climate of average 30kW/m of wave crest was estimated. A full scale WEC with a blade span of 150m will deliver a design power of 5MW at an estimated levelized cost of energy (LCOE) in the range of 10-17 US cents per kWh. Based on the new results achieved in the 1:10 scale experiments these estimates appear conservative and the likely performance at full scale will exceed this initial performance estimates. In advancing the Technology Readiness Level (TRL) of this type of wave energy converter from 3 to 4, we find the CycWEC to exceed our initial estimates in terms of hydrodynamic performance. Once fully developed and optimized, it has the potential to not just outperform all other WEC technologies, but to also deliver power at a lower LCOE than competing conventional renewables like wind and solar. Given the large wave power resource both domestically and internationally, this technology has the potential to lead to a large improvement in our ability to produce clean electricity at affordable cost.

  1. Modeling 3D animals from a side-view sketch Even Entem a,b,n

    E-Print Network [OSTI]

    Cordier, Frederic

    environments and of 3D printing technologies, many practitioners would like to author their own 3D shapes

  2. Controlling Tokamak Geometry with 3D Magnetic Perturbations

    E-Print Network [OSTI]

    Bird, Thomas M

    2014-01-01

    It is shown that small externally applied magnetic perturbations can significantly alter important geometric properties of magnetic flux surfaces in tokamaks. Through 3D shaping, experimentally relevant perturbation levels are large enough to influence turbulent transport and MHD stability in the pedestal region. It is shown that the dominant pitch-resonant flux surface deformations are primarily induced by non-resonant 3D fields, particularly in the presence of significant axisymmetric shaping. The spectral content of the applied 3D field can be used to control these effects.

  3. Comparison of 2D and 3D gamma analyses

    SciTech Connect (OSTI)

    Pulliam, Kiley B.; Huang, Jessie Y.; Howell, Rebecca M.; Followill, David; Kry, Stephen F.; Bosca, Ryan; O’Daniel, Jennifer

    2014-02-15

    Purpose: As clinics begin to use 3D metrics for intensity-modulated radiation therapy (IMRT) quality assurance, it must be noted that these metrics will often produce results different from those produced by their 2D counterparts. 3D and 2D gamma analyses would be expected to produce different values, in part because of the different search space available. In the present investigation, the authors compared the results of 2D and 3D gamma analysis (where both datasets were generated in the same manner) for clinical treatment plans. Methods: Fifty IMRT plans were selected from the authors’ clinical database, and recalculated using Monte Carlo. Treatment planning system-calculated (“evaluated dose distributions”) and Monte Carlo-recalculated (“reference dose distributions”) dose distributions were compared using 2D and 3D gamma analysis. This analysis was performed using a variety of dose-difference (5%, 3%, 2%, and 1%) and distance-to-agreement (5, 3, 2, and 1 mm) acceptance criteria, low-dose thresholds (5%, 10%, and 15% of the prescription dose), and data grid sizes (1.0, 1.5, and 3.0 mm). Each comparison was evaluated to determine the average 2D and 3D gamma, lower 95th percentile gamma value, and percentage of pixels passing gamma. Results: The average gamma, lower 95th percentile gamma value, and percentage of passing pixels for each acceptance criterion demonstrated better agreement for 3D than for 2D analysis for every plan comparison. The average difference in the percentage of passing pixels between the 2D and 3D analyses with no low-dose threshold ranged from 0.9% to 2.1%. Similarly, using a low-dose threshold resulted in a difference between the mean 2D and 3D results, ranging from 0.8% to 1.5%. The authors observed no appreciable differences in gamma with changes in the data density (constant difference: 0.8% for 2D vs 3D). Conclusions: The authors found that 3D gamma analysis resulted in up to 2.9% more pixels passing than 2D analysis. It must be noted that clinical 2D versus 3D datasets may have additional differences—for example, if 2D measurements are made with a different dosimeter than 3D measurements. Factors such as inherent dosimeter differences may be an important additional consideration to the extra dimension of available data that was evaluated in this study.

  4. Suitability for 3D Printed Parts for Laboratory Use

    SciTech Connect (OSTI)

    Zwicker, Andrew P.; Bloom, Josh; Albertson, Robert; Gershman, Sophia

    2014-08-01

    3D printing has become popular for a variety of users, from industrial to the home hobbyist, to scientists and engineers interested in producing their own laboratory equipment. In order to determine the suitability of 3D printed parts for our plasma physics laboratory, we measured the accuracy, strength, vacuum compatibility, and electrical properties of pieces printed in plastic. The flexibility of rapidly creating custom parts has led to the 3D printer becoming an invaluable resource in our laboratory and is equally suitable for producing equipment for advanced undergraduate laboratories.

  5. Bidirectional buck boost converter

    DOE Patents [OSTI]

    Esser, A.A.M.

    1998-03-31

    A bidirectional buck boost converter and method of operating the same allows regulation of power flow between first and second voltage sources in which the voltage level at each source is subject to change and power flow is independent of relative voltage levels. In one embodiment, the converter is designed for hard switching while another embodiment implements soft switching of the switching devices. In both embodiments, first and second switching devices are serially coupled between a relatively positive terminal and a relatively negative terminal of a first voltage source with third and fourth switching devices serially coupled between a relatively positive terminal and a relatively negative terminal of a second voltage source. A free-wheeling diode is coupled, respectively, in parallel opposition with respective ones of the switching devices. An inductor is coupled between a junction of the first and second switching devices and a junction of the third and fourth switching devices. Gating pulses supplied by a gating circuit selectively enable operation of the switching devices for transferring power between the voltage sources. In the second embodiment, each switching device is shunted by a capacitor and the switching devices are operated when voltage across the device is substantially zero. 20 figs.

  6. Bidirectional buck boost converter

    DOE Patents [OSTI]

    Esser, Albert Andreas Maria (Niskayuna, NY)

    1998-03-31

    A bidirectional buck boost converter and method of operating the same allows regulation of power flow between first and second voltage sources in which the voltage level at each source is subject to change and power flow is independent of relative voltage levels. In one embodiment, the converter is designed for hard switching while another embodiment implements soft switching of the switching devices. In both embodiments, first and second switching devices are serially coupled between a relatively positive terminal and a relatively negative terminal of a first voltage source with third and fourth switching devices serially coupled between a relatively positive terminal and a relatively negative terminal of a second voltage source. A free-wheeling diode is coupled, respectively, in parallel opposition with respective ones of the switching devices. An inductor is coupled between a junction of the first and second switching devices and a junction of the third and fourth switching devices. Gating pulses supplied by a gating circuit selectively enable operation of the switching devices for transferring power between the voltage sources. In the second embodiment, each switching device is shunted by a capacitor and the switching devices are operated when voltage across the device is substantially zero.

  7. 3D Seismic Experimentation and Advanced Processing/Inversion Development for Investigations of the Shallow Subsurface

    SciTech Connect (OSTI)

    Levander, Alan Richard; Zelt, Colin A.

    2015-03-17

    The work plan for this project was to develop and apply advanced seismic reflection and wide-angle processing and inversion techniques to high resolution seismic data for the shallow subsurface to seismically characterize the shallow subsurface at hazardous waste sites as an aid to containment and cleanup activities. We proposed to continue work on seismic data that we had already acquired under a previous DoE grant, as well as to acquire additional new datasets for analysis. The project successfully developed and/or implemented the use of 3D reflection seismology algorithms, waveform tomography and finite-frequency tomography using compressional and shear waves for high resolution characterization of the shallow subsurface at two waste sites. These two sites have markedly different near-surface structures, groundwater flow patterns, and hazardous waste problems. This is documented in the list of refereed documents, conference proceedings, and Rice graduate theses, listed below.

  8. Beyond 3D Printing: The New Dimensions of Additive Fabrication

    E-Print Network [OSTI]

    Keating, Steven John

    Additive fabrication, often referred to as 3D printing, is the construction of objects by adding material. This stands in contrast to subtractive methods, which involve removing material by means of milling or cutting. ...

  9. Polymer Solar Cells: New Materials, 3D Morphology, and Tandem...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Polymer Solar Cells: New Materials, 3D Morphology, and Tandem Devices March 2, 2010 at 3pm36-428 Ren Janssen Molecular Materials and Nanosystems, Eindhoven University of...

  10. 3D-Printed Car by Local Motors- The Strati

    Broader source: Energy.gov [DOE]

    A timelapse video of the production process behind The Strati - the 3D-printed car by Local Motors, which manufactured with Oak Ridge National Laboratory (ORNL) and delivered at the International Manufacturing Technology Show (IMTS) in September of 2014.

  11. 3D assembly and actuation of nanopatterned membranes using nanomagnets

    E-Print Network [OSTI]

    Nichol, Anthony John

    2011-01-01

    A new method for aligning and actuating membranes for 3D nano-assembly based on the interactions of nanomagnets has been developed. Arrays of nanopatterned magnetic material are integrated onto thin-film membranes. It is ...

  12. 3D Printed Microscope for Mobile Devices that Cost Pennies

    ScienceCinema (OSTI)

    Erikson, Rebecca; Baird, Cheryl; Hutchinson, Janine

    2015-06-23

    Scientists at PNNL have designed a 3D-printable microscope for mobile devices using pennies worth of plastic and glass materials. The microscope has a wide range of uses, from education to in-the-field science.

  13. The Active Wave-front Sampling based 3D endoscope

    E-Print Network [OSTI]

    Prakash, Hemanth

    2007-01-01

    This thesis investigates the potential of Active Wave-front Sampling (AWS) for real time quantified 3D endoscopy. AWS is a technique by which phase information from an aperture area of a lens is obtained by sampling ...

  14. CSers develop new 3-D design tool Haydar Taygun

    E-Print Network [OSTI]

    Laidlaw, David

    Painting," the old model for 3-D drawing at the Cave Automatic Virtual Environment in 2001, Keefe worked reality. Media Credit: Courtesy of Daniel Keefe A team of Brown computer scientists has developed "Drawing

  15. 3D Representations for Software Visualization Andrian Marcus

    E-Print Network [OSTI]

    Maletic, Jonathan I.

    research from software analysis, information visualization, human-computer interaction, and cognitive, texture, abstraction mechanism, and by supporting new manipulation techniques and user interfaces.2 [Information Interfaces and Presentation] User Interfaces Keywords: Software visualization, 3D visualization

  16. 3D Printed Microscope for Mobile Devices that Cost Pennies

    SciTech Connect (OSTI)

    Erikson, Rebecca; Baird, Cheryl; Hutchinson, Janine

    2014-09-15

    Scientists at PNNL have designed a 3D-printable microscope for mobile devices using pennies worth of plastic and glass materials. The microscope has a wide range of uses, from education to in-the-field science.

  17. Fitting of Constrained Models to Poor 3D Data 

    E-Print Network [OSTI]

    Robertson, Craig; Fisher, Robert B.; Werghi, Naoufel; Ashbrook, Anthony

    2000-01-01

    In this work we have addressed the question of whether it is possible to extract parametric models of features from poor quality 3D data. In doing this we have examined the applicability of an evolutionary strategy to the ...

  18. 2013 Santa Sleigh 3D Printing Winner | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Engineers Pick Winner of 2013 Santa Sleigh 3D Printing Design Contest Click to email this to a friend (Opens in new window) Share on Facebook (Opens in new window) Click to share...

  19. Infrastructure for 3D model reconstruction of marine structures

    E-Print Network [OSTI]

    Kurniawati, Hanna

    2011-01-01

    3D model reconstruction of marine structures, such as dams, oil-rigs, and sea caves, is both important and challenging. An important application includes structural inspection. Manual inspection of marine structures is ...

  20. Topobo : a 3-D constructive assembly system with kinetic memory

    E-Print Network [OSTI]

    Raffle, Hayes Solos, 1974-

    2004-01-01

    We introduce Topobo, a 3-D constructive assembly system em- bedded with kinetic memory, the ability to record and playback physical motion. Unique among modeling systems is Topobo's coincident physical input and output ...

  1. Development of an embedded 3D graphics processor 

    E-Print Network [OSTI]

    Murray, Brian

    2002-01-01

    Limitations in processing ability cause major graphical enhancements, such as support for real-time 3D graphics, to be next to impossible within embedded devices. Due to the size, power, and heat dissipation requirements, modern graphics hardware...

  2. An alternative derivation of the Minimal massive 3D gravity

    E-Print Network [OSTI]

    Ahmet Baykal

    2014-12-23

    By using the algebra of exterior forms and the first order formalism with constraints, an alternative derivation of the field equations for the Minimal massive 3D gravity model is presented.

  3. 3-D Extensions for Trustworthy Systems (Invited Paper)

    E-Print Network [OSTI]

    Kastner, Ryan

    , and passive monitoring for mass- produced processors. In our basic paradigm, a 3-D chip consists of one die combined with a control plane housing application-specific security functions; (2) physical isolation

  4. Texture splats for 3D vector and scalar field visualization

    SciTech Connect (OSTI)

    Crawfis, R.A.; Max, N.

    1993-04-06

    Volume Visualization is becoming an important tool for understanding large 3D datasets. A popular technique for volume rendering is known as splatting. With new hardware architectures offering substantial improvements in the performance of rendering texture mapped objects, we present textured splats. An ideal reconstruction function for 3D signals is developed which can be used as a texture map for a splat. Extensions to the basic splatting technique are then developed to additionally represent vector fields.

  5. Review: 3D Printing: Social and Cultural Trajectories Symposium -3D Printing Industry http://3dprintingindustry.com/2013/12/11/review-3d-printing-social-cultural-trajectories-symposium/[12/12/2013 11:25:00 AM

    E-Print Network [OSTI]

    Review: 3D Printing: Social and Cultural Trajectories Symposium - 3D Printing Industry http://3dprintingindustry.com/2013/12/11/review-3d-printing-social-cultural-trajectories-symposium/[12/12/2013 11:25:00 AM] Review: 3D Printing: Social and Cultural Trajectories Symposium BY ANGELA DALY & DARCY ALLEN ON WED

  6. Bacteria in shear flow

    E-Print Network [OSTI]

    Marcos, Ph.D. Massachusetts Institute of Technology

    2011-01-01

    Bacteria are ubiquitous and play a critical role in many contexts. Their environment is nearly always dynamic due to the prevalence of fluid flow: creeping flow in soil, highly sheared flow in bodily conduits, and turbulent ...

  7. Shear Unzipping of DNA

    E-Print Network [OSTI]

    Buddhapriya Chakrabarti; David R. Nelson

    2009-04-09

    We study theoretically the mechanical failure of a simple model of double stranded DNA under an applied shear. Starting from a more microscopic Hamiltonian that describes a sheared DNA, we arrive at a nonlinear generalization of a ladder model of shear unzipping proposed earlier by deGennes [deGennes P. G. C. R. Acad. Sci., Ser. IV; Phys., Astrophys. 2001, 1505]. Using this model and a combination of analytical and numerical methods, we study the DNA "unzipping" transition when the shearing force exceeds a critical threshold at zero temperature. We also explore the effects of sequence heterogeneity and finite temperature and discuss possible applications to determine the strength of colloidal nanoparticle assemblies functionalized by DNA.

  8. Integrating 3D seismic curvature and curvature gradient attributes for fracture characterization: Methodologies and interpretational implications

    SciTech Connect (OSTI)

    Gao, Dengliang

    2013-03-01

    In 3D seismic interpretation, curvature is a popular attribute that depicts the geometry of seismic reflectors and has been widely used to detect faults in the subsurface; however, it provides only part of the solutions to subsurface structure analysis. This study extends the curvature algorithm to a new curvature gradient algorithm, and integrates both algorithms for fracture detection using a 3D seismic test data set over Teapot Dome (Wyoming). In fractured reservoirs at Teapot Dome known to be formed by tectonic folding and faulting, curvature helps define the crestal portion of the reservoirs that is associated with strong seismic amplitude and high oil productivity. In contrast, curvature gradient helps better define the regional northwest-trending and the cross-regional northeast-trending lineaments that are associated with weak seismic amplitude and low oil productivity. In concert with previous reports from image logs, cores, and outcrops, the current study based on an integrated seismic curvature and curvature gradient analysis suggests that curvature might help define areas of enhanced potential to form tensile fractures, whereas curvature gradient might help define zones of enhanced potential to develop shear fractures. In certain fractured reservoirs such as at Teapot Dome where faulting and fault-related folding contribute dominantly to the formation and evolution of fractures, curvature and curvature gradient attributes can be potentially applied to differentiate fracture mode, to predict fracture intensity and orientation, to detect fracture volume and connectivity, and to model fracture networks.

  9. Bending response of 3-D woven and braided preform composite materials

    SciTech Connect (OSTI)

    Pochiraju, K.; Parvizi-Majidi, A.; Chou, T.W.; Shah, B.

    1994-12-31

    Three dimensional textile carbon-epoxy composites exhibit general anisotropy. Further, these materials may possess different modulus in uniaxial tension than that in compression. In an earlier material characterization effort, the tension, compression, and shear properties of these composites were determined. In this paper, theoretical modeling of flexure of the textile composites and experimental correlation are presented. Four point bending tests were conducted according to STM D709 standards to determine the load to mid-span deflection relationships for typical textile composites. The results of experimental analysis are compared with classical beam theory, theory of elasticity solutions considering material orthotropy and shear deflection, and finite element analysis considering material orthotropy and finite deformation/rotations. The derivation of a harmonic function, required for the theory of elasticity solution, is described in the paper. Homogeneous orthotropic elastic properties are assumed for the 3-D textile composites, which is a reasonable approximation for specimens considerably larger than the repeated geometric unit of the fiber preform. The so called ``flex modulus`` is determined from the experimental data.

  10. 2D?3D polycatenated and 3D?3D interpenetrated metal–organic frameworks constructed from thiophene-2,5-dicarboxylate and rigid bis(imidazole) ligands

    SciTech Connect (OSTI)

    Erer, Hakan; Ye?ilel, Okan Zafer; Ar?c?, Mürsel; Keskin, Seda; Büyükgüngör, Orhan

    2014-02-15

    Hydrothermal reactions of rigid 1,4-bis(imidazol-1-yl)benzene (dib) and 1,4-bis(imidazol-1-yl)-2,5-dimethylbenzene (dimb) with deprotonated thiophene-2,5-dicarboxylic acid (H{sub 2}tdc) in the presence of Zn(II) and Cd(II) salts in H{sub 2}O produced three new metal–organic frameworks, namely, [Zn(µ-tdc)(H{sub 2}O)(µ-dib)]{sub n} (1), [Cd(µ-tdc)(H{sub 2}O)(µ-dib)]{sub n} (2), and ([Cd{sub 2}(µ{sub 3}-tdc){sub 2}(µ-dimb){sub 2}]·(H{sub 2}O)){sub n}(3). These MOFs were characterized by FT-IR spectroscopy, elemental, thermal (TG, DTA, DTG and DSC), and single-crystal X-ray diffraction analyses. Isomorphous complexes 1 and 2 reveal polycatenated 2D+2D?3D framework based on an undulated (4,4)-sql layer. Complex 3 exhibits a new 4-fold interpenetrating 3D framework with the point symbol of 6{sup 6}. Molecular simulations were used to assess the potentials of the complexes for H{sub 2} storage application. Moreover, these coordination polymers exhibit blue fluorescent emission bands in the solid state at room temperature. - Graphical abstract: In this study, hydrothermal reactions of rigid 1,4-bis(imidazol-1-yl)benzene (dib) and 1,4-bis(imidazol-1-yl)-2,5-dimethylbenzene (dimb) with deprotonated thiophene-2,5-dicarboxylic acid (H{sub 2}tdc) in the presence of Zn(II) and Cd(II) salts in H{sub 2}O produced three new metal–organic frameworks. Isomorphous complexes 1 and 2 reveal polycatenated 2D+2D?3D framework based on an undulated (4,4)-sql layer. Complex 3 exhibits a new 4-fold interpenetrating 3D framework with the point symbol of 6{sup 6}. Molecular simulations were used to assess the potentials of the complexes for H{sub 2} storage application. These coordination polymers exhibit blue fluorescent emission bands in the solid state at room temperature. Display Omitted - Highlights: • Complexes 1 and 2 display polycatenated 2D+2D?3D framework. • Complex 3 exhibits a new 4-fold interpenetrating 3D framework. • Complex 1 adsorbs the highest amount of H{sub 2} at 100 bar and 298 K. • Complexes display blue fluorescent emission bands.

  11. Electromagnetic Compatibility of Power Converters

    E-Print Network [OSTI]

    Charoy, A

    2015-01-01

    This paper describes the main challenges related to power converters in a scientific environment. It proposes some methods of EMC analysis, design, meas urement, and EMC troubleshooting.

  12. Self-powered microthermionic converter

    DOE Patents [OSTI]

    Marshall, Albert C.; King, Donald B.; Zavadil, Kevin R.; Kravitz, Stanley H.; Tigges, Chris P.; Vawter, Gregory A.

    2004-08-10

    A self-powered microthermionic converter having an internal thermal power source integrated into the microthermionic converter. These converters can have high energy-conversion efficiencies over a range of operating temperatures. Microengineering techniques are used to manufacture the converter. The utilization of an internal thermal power source increases potential for mobility and incorporation into small devices. High energy efficiency is obtained by utilization of micron-scale interelectrode gap spacing. Alpha-particle emitting radioisotopes can be used for the internal thermal power source, such as curium and polonium isotopes.

  13. Automatically Creating Design Models from 3D Anthropometry Data

    E-Print Network [OSTI]

    Wuhrer, Stefanie; Bose, Prosenjit

    2011-01-01

    When designing a product that needs to fit the human shape, designers often use a small set of 3D models, called design models, either in physical or digital form, as representative shapes to cover the shape variabilities of the population for which the products are designed. Until recently, the process of creating these models has been an art involving manual interaction and empirical guesswork. The availability of the 3D anthropometric databases provides an opportunity to create design models optimally. In this paper, we propose a novel way to use 3D anthropometric databases to generate design models that represent a given population for design applications such as the sizing of garments and gear. We generate the representative shapes by solving a covering problem in a parameter space. Well-known techniques in computational geometry are used to solve this problem. We demonstrate the method using examples in designing glasses and helmets.

  14. 3 July 2003 HIRES3D -ITC Research Seminar -Robert Hack 1 HIGH RESOLUTION REMOTE SENSING

    E-Print Network [OSTI]

    Hack, Robert

    3 July 2003 HIRES3D - ITC Research Seminar - Robert Hack 1 HIRES3D HIGH RESOLUTION REMOTE SENSING FOR 3D GROUND MODELING AND CLASSIFICATION ITC Research Seminar, 3 July 2003 Robert Hack International Seminar - Robert Hack 2 HIRES3D HIGH RESOLUTION REMOTE SENSING FOR 3D GROUND MODELING AND CLASSIFICATION

  15. CHIC - Converting Hamburgers Into Cows

    E-Print Network [OSTI]

    Townsend, Joseph A

    components and convert them into SciXML. This is sectioned into text-rich and data-rich streams and stand-off annotation (SAF) is created for each. Embedded domain specific objects can be converted into XML (Chemical Markup Language). The different workflow...

  16. Power Converters for Cycling Machines

    E-Print Network [OSTI]

    Bouteille, J F

    2015-01-01

    Cycling accelerators require power converters that are capable of storing the energy that oscillates between lattice magnets and the converter during the acceleration process. This paper presents the basic requirements for such systems and reviews the various electrical circuits that have been used for a variety of differing applications. The designs currently used for fast-, medium- and slow-cycling accelerators are presented.

  17. 3D Printing of nanostructured catalytic materials | The Ames Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D Printed3D

  18. Shearing Strength of Concrete

    E-Print Network [OSTI]

    Gallup, R. F.; Russell, F. A.

    1907-01-01

    was to obtain values of shear that might be applied in the design of masonry. BIBLIOGRAPHY. Beu30hanger. In 1878, Herr Bau^changer con­ ducted a series of tests on parte of concrete prisms that had been broken by flexur?. He found concrete two years old... in iron damping frames* The clamping frames 7 and surface plates were made from scrap eastings* The drawings will show without further description* the arrangement of molds and ft*«BM« fnlf design was found fairly satisfactory* the shears ware made...

  19. One-way wave-equation migration of compressional and converted waves in a VTI medium

    E-Print Network [OSTI]

    Ursin, Bjørn

    One-way wave-equation migration of compressional and converted waves in a VTI medium Ørjan Pedersen- sure and shear-wave reflections, one can increase the amount of information obtained about the subsur- face than by recording pressure waves alone. Geo- logic structures which are not visible by using con

  20. 3-D Interpretation of Sewer Circular Structures Marina Kolesnik,

    E-Print Network [OSTI]

    Kolesnik, Marina

    3-D Interpretation of Sewer Circular Structures Marina Kolesnik, Institute for Autonomous interpretation of images taken in a sewer by a robot-inspector is presented. Modern sewers made of concrete sections. These pipe ends and joints provide regular marks on the sewer images and can be used for their 3

  1. Generic Programming in 3D Ralf Hinze a

    E-Print Network [OSTI]

    Löh, Andres

    Generic Programming in 3D Ralf Hinze a , Andres L¨oh b aInstitut f¨ur Informatik III, Universit mechanism is not restricted to equality: parsers, pretty-printers and several other functions are derivable: Haskell's pretty-printer, for instance, displays pairs and lists using a special mix-fix notation. If we

  2. Noise in 3D Laser Range Scanner Data Xianfang Sun

    E-Print Network [OSTI]

    Martin, Ralph R.

    Noise in 3D Laser Range Scanner Data Xianfang Sun Cardiff University, UK Beihang University, China University, UK Abstract This paper discusses noise in range data measured by a Konica Mi- nolta Vivid 910 Gaussian noise, which is independently distributed at each mesh point. Measure- ments of an accurately

  3. POSTER: Duct tracking in 3D medical data Martin Petrcek

    E-Print Network [OSTI]

    Pelikan, Josef

    POSTER: Duct tracking in 3D medical data Martin Petrícek Faculty of Mathematics and Physics Charles 2, 180 81 Praha 8 - Liben Czech Republic martin.horak@volny.cz ABSTRACT Implementing duct tracking interaction when selecting duct branches of interest or correcting possible mistakes in duct path segmentation

  4. EARS: Toward Fast Analysis of 3D Human

    E-Print Network [OSTI]

    State University 7171 E. Sonaran Arroyo Mall, Mesa, AZ 85212, USA 2. Brian.Corner@us.army.mil Ergonomics, visualize, and evaluate the geometric information of a 3D human body scan. To the best of our knowledge, EARS is the first complete system dedicated to fast evaluation and analysis of the quality of a human

  5. ORIGINAL PAPER Current and Future Applications of 3-D Global

    E-Print Network [OSTI]

    Simpson, Jamesina J.

    ORIGINAL PAPER Current and Future Applications of 3-D Global Earth-Ionosphere Models Based the world. Earth-iono- sphere models employing FDTD pose significant advantages over any other current-ionosphere system modeling is not so much in the computational technique itself, or in the availability of massively

  6. 3-D Structural Modeling of Humic Acids through Experimental

    E-Print Network [OSTI]

    Goddard III, William A.

    for a "typical" soilHA.SchlutenandSchnitzer(11)havecombinedelemental analysis, 13C NMR, pyrolysis mass Structure Elucidation and Atomistic Simulations. 1. Chelsea Soil Humic Acid M A M A D O U S . D I A L L O to the CASE program SIGNATURE to generate all 3-D structural models for Chelsea soil humic acid (HA

  7. Exposing Digital Forgeries From 3-D Lighting Environments

    E-Print Network [OSTI]

    Bucci, David J.

    Exposing Digital Forgeries From 3-D Lighting Environments Eric Kee 1 , Hany Farid 2 Department@cs.dartmouth.edu Abstract--When creating a photographic composite, it can be difficult to match lighting conditions. We describe a technique for measuring lighting conditions in an image, and describe its use in detecting

  8. Microbiol Monogr (3) D. Schler: Magnetoreception and Magnetosomes in Bacteria

    E-Print Network [OSTI]

    Dunin-Borkowski, Rafal E.

    Microbiol Monogr (3) D. Schüler: Magnetoreception and Magnetosomes in Bacteria DOI 10 Abstract Magnetotactic bacteria can be regarded as model systems for studying the struc- tural, chemical Introduction Magnetotactic bacteria contain intracellular ferrimagnetic crystals that are typically 30­120 nm

  9. Reversible vectorisation of 3D digital planar curves and applications

    E-Print Network [OSTI]

    Sivignon, Isabelle

    Reversible vectorisation of 3D digital planar curves and applications Isabelle Sivignon a,, Florent the problem of the computation of a planar polygonal curve from a digital planar curve, such that the digital data can be exactly retrieved from the polygonal curve. The proposed transformation also provides

  10. REAL TIME ACQUISITION AND RENDERING OF LARGE 3D MODELS

    E-Print Network [OSTI]

    Rusinkiewicz, Szymon

    OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY Szymon Marek Rusinkiewicz August 2001 #12;ii c Copyright grid, and point (splat) rendering is used to provide a real-time display of the partial 3D model. Given, backface culling, level-of-detail control, and splat rendering. The system may also be extended

  11. WATERMARKING 3D MODELS Thomas Harte and Adrian G. Bors

    E-Print Network [OSTI]

    Bors, Adrian

    - ing audio data, still images, or video [1, 2, 3]. While audio data consists of one-dimensional time varying signals, images are 2-D mappings of digital data distributed on a rectangular lattice. When. A copyright protection watermarking algorithm employing modifications in the histograms of 3D object surface

  12. Cyclic Cellular Automata in 3D Clifford A. Reiter

    E-Print Network [OSTI]

    Reiter, Clifford A.

    Cyclic Cellular Automata in 3D Clifford A. Reiter Department of Mathematics, Lafayette College, Easton, PA 18042 U.S.A reiterc@lafayette.edu Abstract Cyclic cellular automata in two dimensions have this work to three dimensional cyclic cellular automata and observe self organization dependent upon

  13. Vacuum Compatibility of 3D-Printed Materials

    E-Print Network [OSTI]

    Povilus, A P; Vendeiro, Z; Baquero-Ruiz, M; Fajans, J

    2013-01-01

    The fabrication fidelity and vacuum properties are tested for currently available 3D-printed materials including polyamide, glass, acrylic, and sterling silver. The silver was the only material found to be suitable to ultrahigh vacuum environments due to outgassing and sublimation observed in other materials.

  14. 3D Painting on Scanned Surfaces Maneesh Agrawala

    E-Print Network [OSTI]

    Agrawala, Maneesh

    3D Painting on Scanned Surfaces Maneesh Agrawala Andrew C. Beers Marc Levoy Computer Science Department Stanford University Abstract We present an intuitive interface for painting on unparameterized for painting on the mesh, making it intuitive and easy to accurately place color on the mesh. CR categories: 1

  15. ELECTROMOTION 2009 3D Analytical Calculation of Forces between

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Co or NdFeB, the designers can use magnets owning a really rigid magnetization. They are the magnets whichELECTROMOTION 2009 1 3D Analytical Calculation of Forces between Linear Halbach-Type Permanent Magnet Arrays H. Allag1,2 , J-P. Yonnet1 and M. E. H. Latreche2 1- Laboratoire de Génie Electrique de

  16. Evaluation of PC-ISO for customized, 3D printed, gynecologic 192Ir HDR brachytherapy applicators

    E-Print Network [OSTI]

    2015-01-01

    15) The precision of 3D printers has been closely evaluatedmaterial substrates for 3D printers. It is not approved pertheir treatment. While 3D printers with the capability to

  17. Evaluation of PC-ISO for customized, 3D printed, gynecologic 192Ir HDR brachytherapy applicators

    E-Print Network [OSTI]

    2015-01-01

    A, Iuliano L, Violante MG. 3D printing technique applied toTengg-Kobligk H, et al. 3D printing based on imaging data:biocompatible, sterilizable 3D printing material, and its

  18. Improvement of 3D Printing Resolution by the Development of Shrinkable Materials

    E-Print Network [OSTI]

    Chia, Helena

    2014-01-01

    derived microstructures by 3D printing: bio-and structuralScaffold development using 3D printing with a starch-basedderived microstructures by 3D printing: bio-and structural

  19. Improvement of 3D Printing Resolution by the Development of Shrinkable Materials

    E-Print Network [OSTI]

    Chia, Helena

    2014-01-01

    learned a lot about 3D printing and myself in this processderived microstructures by 3D printing: bio-and structuralScaffold development using 3D printing with a starch-based

  20. RELAP5-3D Developer Guidelines and Programming Practices

    SciTech Connect (OSTI)

    Dr. George L Mesina

    2014-03-01

    Our ultimate goal is to create and maintain RELAP5-3D as the best software tool available to analyze nuclear power plants. This begins with writing excellent programming and requires thorough testing. This document covers development of RELAP5-3D software, the behavior of the RELAP5-3D program that must be maintained, and code testing. RELAP5-3D must perform in a manner consistent with previous code versions with backward compatibility for the sake of the users. Thus file operations, code termination, input and output must remain consistent in form and content while adding appropriate new files, input and output as new features are developed. As computer hardware, operating systems, and other software change, RELAP5-3D must adapt and maintain performance. The code must be thoroughly tested to ensure that it continues to perform robustly on the supported platforms. The coding must be written in a consistent manner that makes the program easy to read to reduce the time and cost of development, maintenance and error resolution. The programming guidelines presented her are intended to institutionalize a consistent way of writing FORTRAN code for the RELAP5-3D computer program that will minimize errors and rework. A common format and organization of program units creates a unifying look and feel to the code. This in turn increases readability and reduces time required for maintenance, development and debugging. It also aids new programmers in reading and understanding the program. Therefore, when undertaking development of the RELAP5-3D computer program, the programmer must write computer code that follows these guidelines. This set of programming guidelines creates a framework of good programming practices, such as initialization, structured programming, and vector-friendly coding. It sets out formatting rules for lines of code, such as indentation, capitalization, spacing, etc. It creates limits on program units, such as subprograms, functions, and modules. It establishes documentation guidance on internal comments. The guidelines apply to both existing and new subprograms. They are written for both FORTRAN 77 and FORTRAN 95. The guidelines are not so rigorous as to inhibit a programmer’s unique style, but do restrict the variations in acceptable coding to create sufficient commonality that new readers will find the coding in each new subroutine familiar. It is recognized that this is a “living” document and must be updated as languages, compilers, and computer hardware and software evolve.

  1. Finite Element Analysis of Nonlinear Thickness-shear Vibrations of AT-cut Quartz Crystal Plates

    E-Print Network [OSTI]

    Wang, Ji

    Finite Element Analysis of Nonlinear Thickness-shear Vibrations of AT-cut Quartz Crystal Plates Ji, dujianke}@nbu.edu.cn Abstract--The nonlinear finite element analysis is performed with the nonlinear a smaller size in comparison with the 3D approach. General procedure of nonlinear finite element analysis

  2. A fast algorithm for gamma evaluation in 3D

    SciTech Connect (OSTI)

    Wendling, Markus; Zijp, Lambert J.; McDermott, Leah N.; Smit, Ewoud J.; Sonke, Jan-Jakob; Mijnheer, Ben J.; Herk, Marcel van [Department of Radiation Oncology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX Amsterdam (Netherlands)

    2007-05-15

    The {gamma}-evaluation method is a tool by which dose distributions can be compared in a quantitative manner combining dose-difference and distance-to-agreement criteria. Since its introduction, the {gamma} evaluation has been used in many studies and is on the verge of becoming the preferred dose distribution comparison method, particularly for intensity-modulated radiation therapy (IMRT) verification. One major disadvantage, however, is its long computation time, which especially applies to the comparison of three-dimensional (3D) dose distributions. We present a fast algorithm for a full 3D {gamma} evaluation at high resolution. Both the reference and evaluated dose distributions are first resampled on the same grid. For each point of the reference dose distribution, the algorithm searches for the best point of agreement according to the {gamma} method in the evaluated dose distribution, which can be done at a subvoxel resolution. Speed, computer memory efficiency, and high spatial resolution are achieved by searching around each reference point with increasing distance in a sphere, which has a radius of a chosen maximum search distance and is interpolated 'on-the-fly' at a chosen sample step size. The smaller the sample step size and the larger the differences between the dose distributions, the longer the {gamma} evaluation takes. With decreasing sample step size, statistical measures of the 3D {gamma} distribution converge. Two clinical examples were investigated using 3% of the prescribed dose as dose-difference and 0.3 cm as distance-to-agreement criteria. For 0.2 cm grid spacing, the change in {gamma} indices was negligible below a sample step size of 0.02 cm. Comparing the full 3D {gamma} evaluation and slice-by-slice 2D {gamma} evaluations ('2.5D') for these clinical examples, the {gamma} indices improved by searching in full 3D space, with the average {gamma} index decreasing by at least 8%.

  3. Design of 3D eye-safe middle range vibrometer

    SciTech Connect (OSTI)

    Polulyakh, Valeriy; Poutivski, Iouri

    2014-05-27

    Laser Doppler Vibrometer and Range Meter (3D-MRV) is designed for middle range distances [1–100 meters]. 3D-MRV combines more than one laser in one device for a simultaneous real time measuring the distance and movement of the targets. The first laser has a short pulse (t?30psec) and low energy (E?200nJ) for distance measurement and the second one is a CW (continuous wave) single frequency laser for the velocity measurement with output power (P?30mW). Both lasers perform on the eye-safe wavelength 1.5 ?m. 3D-MRV uses the same mono-static optical transmitting and receiving channel for both lasers including an output telescope and a scanning angular system. 3D-MRV has an optical polarization switch to combine linear polarized laser beams from two lasers into one optical channel. The laser beams from both lasers by turns illuminate the target and the scattered laser radiation is collected by the telescope on a photo detector. The electrical signal from photo detector is used for measuring the distance to the target and its movement. For distance measurement the time of flight method is employed. For targets movement the optical heterodyne method is employed. The received CW laser radiation is mixed on a photo detector with the frequency-shifted laser radiation that is taken from CW laser and passed through an acousto-optic cell. The electrical signal from a photo detector on the difference frequency and phase has information about movement of the scattered targets. 3D-MVR may be used for the real time picturing of vibration of the extensive targets like bridges or aircrafts.

  4. The Future of Manufacturing Takes Shape: 3D Printed Car on Display...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Lead, Advanced Manufacturing Office Additive manufacturing - often referred to as 3D printing - is a revolutionary way to design and build products. Until now, 3D printing has...

  5. Development of 3D Simulation Training and Testing for Home Energy...

    Office of Environmental Management (EM)

    Development of 3D Simulation Training and Testing for Home Energy Score Assessor Candidates Development of 3D Simulation Training and Testing for Home Energy Score Assessor...

  6. DEVELOPMENT OF A 3D GRID, FRACTURE AND PROPERTY MODELS FOR THE UPPER FREEPORT COAL AND OVERBURDEN USING 3D

    E-Print Network [OSTI]

    Wilson, Thomas H.

    DEVELOPMENT OF A 3D GRID, FRACTURE AND PROPERTY MODELS FOR THE UPPER FREEPORT COAL AND OVERBURDEN Richard A. Bajura, Director, National Research Center for Coal and Energy, West Virginia University Park, PA. Abstract Discrete fracture networks within a CO2 injection zone (the Upper Freeport coal

  7. Pipe3D, a pipeline to analyze Integral Field Spectroscopy data: I. New fitting phylosophy of FIT3D

    E-Print Network [OSTI]

    Sánchez, S F; Sánchez-Blázquez, P; González, J J; Rosález-Ortega, F F; Cano-Díaz, M; López-Cobá, C; Marino, R A; de Paz, A Gil; Mollá, M; López-Sánchez, A R; Ascasibar, Y; Barrera-Ballesteros, J

    2015-01-01

    We present an improved version of FIT3D, a fitting tool for the analysis of the spectroscopic properties of the stellar populations and the ionized gas derived from moderate resolution spectra of galaxies. FIT3D is a tool developed to analyze Integral Field Spectroscopy data and it is the basis of Pipe3D, a pipeline already used in the analysis of datasets like CALIFA, MaNGA, and SAMI. We describe the philosophy behind the fitting procedure, and in detail each of the different steps in the analysis. We present an extensive set of simulations in order to estimate the precision and accuracy of the derived parameters for the stellar populations. In summary, we find that using different stellar population templates we reproduce the mean properties of the stellar population (age, metallicity, and dust attenuation) within ~0.1 dex. A similar approach is adopted for the ionized gas, where a set of simulated emission- line systems was created. Finally, we compare the results of the analysis using FIT3D with those pro...

  8. 3-D MAPPING TECHNOLOGIES FOR HIGH LEVEL WASTE TANKS

    SciTech Connect (OSTI)

    Marzolf, A.; Folsom, M.

    2010-08-31

    This research investigated four techniques that could be applicable for mapping of solids remaining in radioactive waste tanks at the Savannah River Site: stereo vision, LIDAR, flash LIDAR, and Structure from Motion (SfM). Stereo vision is the least appropriate technique for the solids mapping application. Although the equipment cost is low and repackaging would be fairly simple, the algorithms to create a 3D image from stereo vision would require significant further development and may not even be applicable since stereo vision works by finding disparity in feature point locations from the images taken by the cameras. When minimal variation in visual texture exists for an area of interest, it becomes difficult for the software to detect correspondences for that object. SfM appears to be appropriate for solids mapping in waste tanks. However, equipment development would be required for positioning and movement of the camera in the tank space to enable capturing a sequence of images of the scene. Since SfM requires the identification of distinctive features and associates those features to their corresponding instantiations in the other image frames, mockup testing would be required to determine the applicability of SfM technology for mapping of waste in tanks. There may be too few features to track between image frame sequences to employ the SfM technology since uniform appearance may exist when viewing the remaining solids in the interior of the waste tanks. Although scanning LIDAR appears to be an adequate solution, the expense of the equipment ($80,000-$120,000) and the need for further development to allow tank deployment may prohibit utilizing this technology. The development would include repackaging of equipment to permit deployment through the 4-inch access ports and to keep the equipment relatively uncontaminated to allow use in additional tanks. 3D flash LIDAR has a number of advantages over stereo vision, scanning LIDAR, and SfM, including full frame time-of-flight data (3D image) collected with a single laser pulse, high frame rates, direct calculation of range, blur-free images without motion distortion, no need for precision scanning mechanisms, ability to combine 3D flash LIDAR with 2D cameras for 2D texture over 3D depth, and no moving parts. The major disadvantage of the 3D flash LIDAR camera is the cost of approximately $150,000, not including the software development time and repackaging of the camera for deployment in the waste tanks.

  9. Switched-Mode Power Converter Programmable

    E-Print Network [OSTI]

    Switched-Mode Power Converter Programmable compensator Identification & design Vref DPWM vout digital controller design for switching power converters. Starting from an experimentally identified Digital Controller Design for Switching Converters Abstract--This paper presents an approach to automated

  10. Computerized fluid movement mapping and 3-D visualization

    SciTech Connect (OSTI)

    Al-Awami, A.A.; Poore, J.W. [Saudi Aramco, Dhahran (Saudi Arabia); Sizer, J.P.

    1995-11-01

    Most of the fieldwide fluid movement monitoring techniques under utilize available computer resources. This paper discusses an approach reservoir management engineers use to monitor fluid movement in reservoirs with a multitude of wells. This approach allows the engineer to maintain up-to-date fluid movement studies and incorporate the latest information from data acquisition programs into the day to day decision-making process. The approach uses several in-house database applications and makes extensive use of commercially available software products to generate and visualize cross-sections, maps, and 3-d models. This paper reviews the computerized procedures to create cross-sections that display the current fluid contacts overlaying the lithology. It also reviews the mapping procedures nd presents examples of water encroachment maps by layer at specific time periods. 3-D geologic modeling software greatly enhances the visualization of the reservoir. This software can also be used to interpret and model fluid movement, given the appropriate engineering constraints.

  11. 3D supergravity from wrapped M5-branes

    E-Print Network [OSTI]

    Karndumri, Parinya

    2015-01-01

    Through consistent Kaluza-Klein reduction, we construct 3D N=2 gauged supergravities corresponding to twisted compactifications of M5-branes on a product of Riemann surfaces, including Kahler-Einstein four-manifolds. We extend the reduction to fermionic supersymmetry variations in order to determine the 3D Killing spinor equations and classify all (timelike) supersymmetric solutions. We show that the superpotential T dictates all supersymmetric solutions, not just AdS3 vacua. As a by-product, we identify an infinite class of new supersymmetric warped AdS3 (Godel) and warped dS3 critical points. Moreover, we show that T encodes the central charge and R symmetry of the dual N = (0,2) SCFTs in the large N limit. Upon uplift to 11D, we use this result to write the higher-dimensional geometries in canonical form and discuss the relation to existing classifications of supersymmetric AdS3 geometries.

  12. Towards manipulating relativistic laser pulses with 3D printed materials

    E-Print Network [OSTI]

    Ji, L L; Pukhov, A; Freeman, R R; Akli, K U

    2015-01-01

    Efficient coupling of intense laser pulses to solid-density matter is critical to many applications including ion acceleration for cancer therapy. At relativistic intensities, the focus has been mainly on investigating various laser beams irradiating initially flat interfaces with little or no control over the interaction. Here, we propose a novel approach that leverages recent advancements in 3D direct laser writing (DLW) of materials and high contrast lasers to manipulate the laser-matter interactions on the micro-scales. We demonstrate, via simulations, that usable intensities >10^23Wcm^(-2) could be achieved with current tabletop lasers coupled to 3D printed plasma lenses. We show that these plasma optical elements act not only as a lens to focus laser light, but also as an electromagnetic guide for secondary particle beams. These results open new paths to engineering light-matter interactions at ultra-relativistic intensities.

  13. Multimessengers from 3D Core-Collapse Supernovae

    E-Print Network [OSTI]

    Yakunin, Konstantin N; Mezzacappa, Anthony; Messer, O E Bronson; Lentz, Eric J; Bruenn, Stephen W; Hix, W Rafael; Harris, J Austin

    2015-01-01

    We present gravitational wave and neutrino signatures obtained in our first principle 3D core-collapse supernova simulation of 15M non-rotating progenitor with Chimera code. Observations of neutrinos emitted by the forming neutron star, and gravitational waves, which are produced by hydrodynamic instabilities is the only way to get direct information about the supernova engine. Both GW and neutrino signals show different phases of supernova evolution.

  14. 3D, Flash, Induced Current Readout for Silicon Sensors

    SciTech Connect (OSTI)

    Parker, Sherwood I.

    2014-06-07

    A new method for silicon microstrip and pixel detector readout using (1) 65 nm-technology current amplifers which can, for the first time with silicon microstrop and pixel detectors, have response times far shorter than the charge collection time (2) 3D trench electrodes large enough to subtend a reasonable solid angle at most track locations and so have adequate sensitivity over a substantial volume of pixel, (3) induced signals in addition to, or in place of, collected charge

  15. On the Hamiltonian form of 3D massive gravity

    E-Print Network [OSTI]

    Olaf Hohm; Alasdair Routh; Paul K. Townsend; Baocheng Zhang

    2012-09-14

    We present a "Chern-Simons-like" action for the "general massive gravity" model propagating two spin-2 modes with independent masses in three spacetime dimensions (3D), and we use it to find a simple Hamiltonian form of this model. The number of local degrees of freedom, determined by the dimension of the physical phase space, agrees with a linearized analysis except in some limits, in particular that yielding "new topologically massive gravity", which therefore suffers from a linearization instability.

  16. 3D acoustic imaging applied to the Baikal Neutrino Telescope

    E-Print Network [OSTI]

    K. G. Kebkal; R. Bannasch; O. G. Kebkal; A. I. Panfilov; R. Wischnewski

    2008-11-07

    A hydro-acoustic imaging system was tested in a pilot study on distant localization of elements of the Baikal underwater neutrino telescope. For this innovative approach, based on broad band acoustic echo signals and strictly avoiding any active acoustic elements on the telescope, the imaging system was temporarily installed just below the ice surface, while the telescope stayed in its standard position at 1100 m depth. The system comprised an antenna with four acoustic projectors positioned at the corners of a 50 meter square; acoustic pulses were "linear sweep-spread signals" - multiple-modulated wide-band signals (10-22 kHz) of 51.2 s duration. Three large objects (two string buoys and the central electronics module) were localized by the 3D acoustic imaging, with a accuracy of ~0.2 m (along the beam) and ~1.0 m (transverse). We discuss signal forms and parameters necessary for improved 3D acoustic imaging of the telescope, and suggest a layout of a possible stationary bottom based 3D imaging setup. The presented technique may be of interest for neutrino telescopes of km3-scale and beyond, as a flexible temporary or as a stationary tool to localize basic telescope elements, while these are completely passive.

  17. Shear-Induced Chaos

    E-Print Network [OSTI]

    Kevin K. Lin; Lai-Sang Young

    2007-05-23

    Guided by a geometric understanding developed in earlier works of Wang and Young, we carry out some numerical studies of shear-induced chaos. The settings considered include periodic kicking of limit cycles, random kicks at Poisson times, and continuous-time driving by white noise. The forcing of a quasi-periodic model describing two coupled oscillators is also investigated. In all cases, positive Lyapunov exponents are found in suitable parameter ranges when the forcing is suitably directed.

  18. Converting Biomass to High-Value Feedstocks

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Converting Biomass to High-Value Feedstocks Advanced feedstocks play an important role in economically and efficiently converting biomass into bioenergy products. Advanced...

  19. Spheree: A 3D Perspective-Corrected Interactive Spherical Scalable Display Ferreira, F.q

    E-Print Network [OSTI]

    British Columbia, University of

    models can be exported or printed on a 3D printer. Other related 3D displays include: 1. pCubee [StavnessSpheree: A 3D Perspective-Corrected Interactive Spherical Scalable Display Ferreira, F.q , Cabral & U of British Columbia (a) (b) (c) (d) Figure 1: (a) A snowglobe; (b) a fish-tank animation; (c) a 3D

  20. Voxel-Based Assessment of Printability of 3D Alexandru Telea1

    E-Print Network [OSTI]

    Telea, Alexandru C.

    . Printability, the capability of a 3D printer to closely repro- duce a 3D model, is a complex decision involving on a given printer. As 3D printing technology works in a raster fashion, we implement our proposed metricsVoxel-Based Assessment of Printability of 3D Shapes Alexandru Telea1 and Andrei Jalba2 1 Institute

  1. 3D Fingerprint Phantoms Sunpreet S. Arora, Kai Cao and Anil K. Jain

    E-Print Network [OSTI]

    ) printing the 3D fingerprint phantoms using a commodity 3D printer. Preliminary experimental results show3D Fingerprint Phantoms Sunpreet S. Arora, Kai Cao and Anil K. Jain Department of Computer Science, we propose creating 3D fin- gerprint phantoms (phantoms or imaging phantoms are specially designed

  2. AUTOMATED MODELING OF 3D BUILDING ROOFS USING IMAGE AND LIDAR DATA

    E-Print Network [OSTI]

    Schindler, Konrad

    AUTOMATED MODELING OF 3D BUILDING ROOFS USING IMAGE AND LIDAR DATA N. Demir* , E. Baltsavias, Detection, 3D Modelling ABSTRACT: In this work, an automated approach for 3D building roof modelling of accurate and complete 3D building models with high degree of automation. Aerial images and LiDAR data

  3. Experience with 3D Optical Flow on Gated MRI Cardiac Datasets

    E-Print Network [OSTI]

    Barron, John

    ventricular chamber which pumps oxygenated blood to the body, as these are good indicators of heart function of points on a surface while generic 3D optical ow is 3D volumetric motion. We present two sim- ple contain 20 volumes of 3D volumetric data for one synchronized heart beat, with each 3D vol- ume dataset

  4. Evaluation of PC-ISO for customized, 3D printed, gynecologic 192Ir HDR brachytherapy applicators

    E-Print Network [OSTI]

    2015-01-01

    biocompatible, thermoplastic, 3D printing material, for useterpolymers family of thermoplastics that are made of three

  5. Towards 3D Internet: Why, What, and How? Tansu Alpcan, Christian Bauckhage, Evangelos Kotsovinos

    E-Print Network [OSTI]

    Alpcan, Tansu

    Towards 3D Internet: Why, What, and How? Tansu Alpcan, Christian Bauckhage, Evangelos Kotsovinos paradigm, the 3D Internet. We provide an overview of the concept 3D Internet and discuss why it is a goal communities. We explore first the motivation for the 3D Internet and the possibilities it brings. Subsequently

  6. ILLUSTRATING MATHEMATICS USING 3D PRINTERS OLIVER KNILL AND ELIZABETH SLAVKOVSKY

    E-Print Network [OSTI]

    Knill, Oliver

    printing technology can help to visualize proofs in mathematics. This talk aims to illustrate how 3D Greece, models allows to make mathematics more accessible. The new 3D printing technology makes unmatched. 3D printers allow us to do that with relative little effort. 2. 3D printing The industry of rapid

  7. Open-surface MHD flow over a curved wall in the 3-D thin-shear-layer approximation

    E-Print Network [OSTI]

    Abdou, Mohamed

    to gravity, centrifugal forces, and Lorentz force. Thus, the normal pressure variations are allowed place in the advanced power extraction (APEX) study [1]. In one of the APEX designs, liquid metal

  8. Shear-slip mesh update in 3D computation of complex ow problems with rotating mechanical components

    E-Print Network [OSTI]

    Tezduyar, Tayfun E.

    -surface ¯ows in channels and past hydraulic structures such as dams, and liquid sloshing in moving containers

  9. Streamlining of the RELAP5-3D Code

    SciTech Connect (OSTI)

    Mesina, George L; Hykes, Joshua; Guillen, Donna Post

    2007-11-01

    RELAP5-3D is widely used by the nuclear community to simulate general thermal hydraulic systems and has proven to be so versatile that the spectrum of transient two-phase problems that can be analyzed has increased substantially over time. To accommodate the many new types of problems that are analyzed by RELAP5-3D, both the physics and numerical methods of the code have been continuously improved. In the area of computational methods and mathematical techniques, many upgrades and improvements have been made decrease code run time and increase solution accuracy. These include vectorization, parallelization, use of improved equation solvers for thermal hydraulics and neutron kinetics, and incorporation of improved library utilities. In the area of applied nuclear engineering, expanded capabilities include boron and level tracking models, radiation/conduction enclosure model, feedwater heater and compressor components, fluids and corresponding correlations for modeling Generation IV reactor designs, and coupling to computational fluid dynamics solvers. Ongoing and proposed future developments include improvements to the two-phase pump model, conversion to FORTRAN 90, and coupling to more computer programs. This paper summarizes the general improvements made to RELAP5-3D, with an emphasis on streamlining the code infrastructure for improved maintenance and development. With all these past, present and planned developments, it is necessary to modify the code infrastructure to incorporate modifications in a consistent and maintainable manner. Modifying a complex code such as RELAP5-3D to incorporate new models, upgrade numerics, and optimize existing code becomes more difficult as the code grows larger. The difficulty of this as well as the chance of introducing errors is significantly reduced when the code is structured. To streamline the code into a structured program, a commercial restructuring tool, FOR_STRUCT, was applied to the RELAP5-3D source files. The methodology employed follows Dijkstra's structured programming paradigm, which is based on splitting programs into sub-sections, each with single points of entry and exit and in which control is passed downward through the structure with no unconditional branches to higher levels. GO TO commands are typically avoided, since they alter the flow and control of a program’s execution by allowing a jump from one place in the routine to another. The restructuring of RELAP5-3D subroutines is complicated by several issues. The first is use of code other than standard FORTRAN77. The second is restructuring limitations of FOR_STRUCT. The third is existence of pre-compiler directives and the complication of nested directives. Techniques were developed to overcome all these difficulties and more and these are reported. By implementing these developments, all subroutines of RELAP were restructured. Measures of code improvement relative to maintenance and development are presented.

  10. 3D J-Integral Capability in Grizzly

    SciTech Connect (OSTI)

    Benjamin Spencer; Marie Backman; Pritam Chakraborty; William Hoffman

    2014-09-01

    This report summarizes work done to develop a capability to evaluate fracture contour J-Integrals in 3D in the Grizzly code. In the current fiscal year, a previously-developed 2D implementation of a J-Integral evaluation capability has been extended to work in 3D, and to include terms due both to mechanically-induced strains and due to gradients in thermal strains. This capability has been verified against a benchmark solution on a model of a curved crack front in 3D. The thermal term in this integral has been verified against a benchmark problem with a thermal gradient. These developments are part of a larger effort to develop Grizzly as a tool that can be used to predict the evolution of aging processes in nuclear power plant systems, structures, and components, and assess their capacity after being subjected to those aging processes. The capabilities described here have been developed to enable evaluations of Mode- stress intensity factors on axis-aligned flaws in reactor pressure vessels. These can be compared with the fracture toughness of the material to determine whether a pre-existing flaw would begin to propagate during a pos- tulated pressurized thermal shock accident. This report includes a demonstration calculation to show how Grizzly is used to perform a deterministic assessment of such a flaw propagation in a degraded reactor pressure vessel under pressurized thermal shock conditions. The stress intensity is calculated from J, and the toughness is computed using the fracture master curve and the degraded ductile to brittle transition temperature.

  11. Uncertainty Analysis of RELAP5-3D

    SciTech Connect (OSTI)

    Alexandra E Gertman; Dr. George L Mesina

    2012-07-01

    As world-wide energy consumption continues to increase, so does the demand for the use of alternative energy sources, such as Nuclear Energy. Nuclear Power Plants currently supply over 370 gigawatts of electricity, and more than 60 new nuclear reactors have been commissioned by 15 different countries. The primary concern for Nuclear Power Plant operation and lisencing has been safety. The safety of the operation of Nuclear Power Plants is no simple matter- it involves the training of operators, design of the reactor, as well as equipment and design upgrades throughout the lifetime of the reactor, etc. To safely design, operate, and understand nuclear power plants, industry and government alike have relied upon the use of best-estimate simulation codes, which allow for an accurate model of any given plant to be created with well-defined margins of safety. The most widely used of these best-estimate simulation codes in the Nuclear Power industry is RELAP5-3D. Our project focused on improving the modeling capabilities of RELAP5-3D by developing uncertainty estimates for its calculations. This work involved analyzing high, medium, and low ranked phenomena from an INL PIRT on a small break Loss-Of-Coolant Accident as wall as an analysis of a large break Loss-Of- Coolant Accident. Statistical analyses were performed using correlation coefficients. To perform the studies, computer programs were written that modify a template RELAP5 input deck to produce one deck for each combination of key input parameters. Python scripting enabled the running of the generated input files with RELAP5-3D on INL’s massively parallel cluster system. Data from the studies was collected and analyzed with SAS. A summary of the results of our studies are presented.

  12. Customizing mesoscale self-assembly with 3D printing

    E-Print Network [OSTI]

    M. Poty; G. Lumay; N. Vandewalle

    2013-10-17

    Self-assembly due to capillary forces is a common method for generating 2D mesoscale structures from identical floating particles at the liquid-air interface. Designing building blocks to obtain a desired mesoscopic structure is a scientific challenge. We show herein that it is possible to shape the particles with a low cost 3D printer, for composing specific mesoscopic structures. Our method is based on the creation of capillary multipoles inducing either attractive or repulsive forces. Since capillary interactions can be downscaled, our method opens new ways to low cost microfabrication.

  13. Convergence of Ginzburg-Landau functionals in 3-d superconductivity

    E-Print Network [OSTI]

    Sisto Baldo; Robert L. Jerrard; Giandomenico Orlandi; Mete Soner

    2011-02-23

    In this paper we consider the asymptotic behavior of the Ginzburg- Landau model for superconductivity in 3-d, in various energy regimes. We rigorously derive, through an analysis via {\\Gamma}-convergence, a reduced model for the vortex density, and we deduce a curvature equation for the vortex lines. In a companion paper, we describe further applications to superconductivity and superfluidity, such as general expressions for the first critical magnetic field H_{c1}, and the critical angular velocity of rotating Bose-Einstein condensates.

  14. A non-conforming 3D spherical harmonic transport solver

    SciTech Connect (OSTI)

    Van Criekingen, S.

    2006-07-01

    A new 3D transport solver for the time-independent Boltzmann transport equation has been developed. This solver is based on the second-order even-parity form of the transport equation. The angular discretization is performed through the expansion of the angular neutron flux in spherical harmonics (PN method). The novelty of this solver is the use of non-conforming finite elements for the spatial discretization. Such elements lead to a discontinuous flux approximation. This interface continuity requirement relaxation property is shared with mixed-dual formulations such as the ones based on Raviart-Thomas finite elements. Encouraging numerical results are presented. (authors)

  15. 3-D HYDRODYNAMIC MODELING IN A GEOSPATIAL FRAMEWORK

    SciTech Connect (OSTI)

    Bollinger, J; Alfred Garrett, A; Larry Koffman, L; David Hayes, D

    2006-08-24

    3-D hydrodynamic models are used by the Savannah River National Laboratory (SRNL) to simulate the transport of thermal and radionuclide discharges in coastal estuary systems. Development of such models requires accurate bathymetry, coastline, and boundary condition data in conjunction with the ability to rapidly discretize model domains and interpolate the required geospatial data onto the domain. To facilitate rapid and accurate hydrodynamic model development, SRNL has developed a pre- and post-processor application in a geospatial framework to automate the creation of models using existing data. This automated capability allows development of very detailed models to maximize exploitation of available surface water radionuclide sample data and thermal imagery.

  16. 3-D Earth model more accurately pinpoints explosions

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril 30,University RegistrationNeed2 2D7P D3,3-D

  17. 3D Printing Aircraft Parts | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D Printed andD

  18. 3D Printing Medical Devices | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D Printed

  19. 3D Tracking at the Nanoscale | The Ames Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-InspiredAtmosphericdevicesPPONeApril351 Substation Demolition --3D

  20. 3-D Nanofilm Asymmetric Ultracapacitor | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing ToolInternationalReportOffice | DepartmentVery1, in: A.R. Gavaskar and3-D Nanofilm

  1. How 3D Printers Work | Department of Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation CurrentHenry Bellamy, Ph.D.Food Drive HolidayHours UsedFire 1 in 3Households3D

  2. 3D Printing a Classic Shelby Cobra | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative Fuels DataEnergy Webinar: Demonstration ofDepartment1of5Department of Energy3D

  3. Absolute Measurement Of Laminar Shear Rate Using Photon Correlation Spectroscopy

    E-Print Network [OSTI]

    Elliot Jenner; Brian D'Urso

    2015-05-11

    An absolute measurement of the components of the shear rate tensor $\\mathcal{S}$ in a fluid can be found by measuring the photon correlation function of light scattered from particles in the fluid. Previous methods of measuring $\\mathcal{S}$ involve reading the velocity at various points and extrapolating the shear, which can be time consuming and is limited in its ability to examine small spatial scale or short time events. Previous work in Photon Correlation Spectroscopy has involved only approximate solutions, requiring free parameters to be scaled by a known case, or different cases, such as 2-D flows, but here we present a treatment that provides quantitative results directly and without calibration for full 3-D flow. We demonstrate this treatment experimentally with a cone and plate rheometer.

  4. TOWARDSAUTOMATICMODELING OF 3D CULTURAL HERITAGE M. Andreetto, R. Bemardini, G.M. Cortelazzo,L. Lucchese

    E-Print Network [OSTI]

    Abu-Mostafa, Yaser S.

    by means of the "3D printing" devices used in mechanical rapid prototyping. Another one is that 3D objects

  5. Multicomponent seismic data, combining P-wave and converted P-to-SV wave (C-wave) wavefields, provide inde-

    E-Print Network [OSTI]

    Texas at Austin, University of

    Multicomponent seismic data, combining P-wave and converted P-to-SV wave (C-wave) wavefields (fast and slow) with differing polarization. The 4C, 3D ocean-bottom cable (OBC) multicomponent seismic objectives were to evaluate seismic attributes, such as VP/VS velocity ratios and Poisson's ratio derived

  6. Charge-pump voltage converter

    DOE Patents [OSTI]

    Brainard, John P. (Albuquerque, NM); Christenson, Todd R. (Albuquerque, NM)

    2009-11-03

    A charge-pump voltage converter for converting a low voltage provided by a low-voltage source to a higher voltage. Charge is inductively generated on a transfer rotor electrode during its transit past an inductor stator electrode and subsequently transferred by the rotating rotor to a collector stator electrode for storage or use. Repetition of the charge transfer process leads to a build-up of voltage on a charge-receiving device. Connection of multiple charge-pump voltage converters in series can generate higher voltages, and connection of multiple charge-pump voltage converters in parallel can generate higher currents. Microelectromechanical (MEMS) embodiments of this invention provide a small and compact high-voltage (several hundred V) voltage source starting with a few-V initial voltage source. The microscale size of many embodiments of this invention make it ideally suited for MEMS- and other micro-applications where integration of the voltage or charge source in a small package is highly desirable.

  7. ASIC for High Rate 3D Position Sensitive Detectors

    SciTech Connect (OSTI)

    Vernon, E.; De Geronimo, G.; Ackley, K.; Fried, J.; He, Z.; Herman, C.; Zhang, F.

    2010-06-16

    We report on the development of an application specific integrated circuit (ASIC) for 3D position sensitive detectors (3D PSD). The ASIC is designed to operate with pixelated wide bandgap sensors like Cadmium-Zinc-Telluride (CZT), Mercuric Iodide (Hgl2) and Thallium Bromide (TIBr). It measures the amplitudes and timings associated with an ionizing event on 128 anodes, the anode grid, and the cathode. Each channel provides low-noise charge amplification, high-order shaping with peaking time adjustable from 250 ns to 12 {micro}s, gain adjustable to 20 mV/fC or 120 mV/fC (for a dynamic range of 3.2 MeV and 530 keV in CZT), amplitude discrimination with 5-bit trimming, and positive and negative peak and timing detections. The readout can be full or sparse, based on a flag and single- or multi-cycle token passing. All channels, triggered channels only, or triggered with neighbors can be read out thus increasing the rate capability of the system to more than 10 kcps. The ASIC dissipates 330 mW which corresponds to about 2.5 mW per channel.

  8. Image Appraisal for 2D and 3D Electromagnetic Inversion

    SciTech Connect (OSTI)

    Alumbaugh, D.L.; Newman, G.A.

    1999-01-28

    Linearized methods are presented for appraising image resolution and parameter accuracy in images generated with two and three dimensional non-linear electromagnetic inversion schemes. When direct matrix inversion is employed, the model resolution and posterior model covariance matrices can be directly calculated. A method to examine how the horizontal and vertical resolution varies spatially within the electromagnetic property image is developed by examining the columns of the model resolution matrix. Plotting the square root of the diagonal of the model covariance matrix yields an estimate of how errors in the inversion process such as data noise and incorrect a priori assumptions about the imaged model map into parameter error. This type of image is shown to be useful in analyzing spatial variations in the image sensitivity to the data. A method is analyzed for statistically estimating the model covariance matrix when the conjugate gradient method is employed rather than a direct inversion technique (for example in 3D inversion). A method for calculating individual columns of the model resolution matrix using the conjugate gradient method is also developed. Examples of the image analysis techniques are provided on 2D and 3D synthetic cross well EM data sets, as well as a field data set collected at the Lost Hills Oil Field in Central California.

  9. AUTOMATED, HIGHLY ACCURATE VERIFICATION OF RELAP5-3D

    SciTech Connect (OSTI)

    George L Mesina; David Aumiller; Francis Buschman

    2014-07-01

    Computer programs that analyze light water reactor safety solve complex systems of governing, closure and special process equations to model the underlying physics. In addition, these programs incorporate many other features and are quite large. RELAP5-3D[1] has over 300,000 lines of coding for physics, input, output, data management, user-interaction, and post-processing. For software quality assurance, the code must be verified and validated before being released to users. Verification ensures that a program is built right by checking that it meets its design specifications. Recently, there has been an increased importance on the development of automated verification processes that compare coding against its documented algorithms and equations and compares its calculations against analytical solutions and the method of manufactured solutions[2]. For the first time, the ability exists to ensure that the data transfer operations associated with timestep advancement/repeating and writing/reading a solution to a file have no unintended consequences. To ensure that the code performs as intended over its extensive list of applications, an automated and highly accurate verification method has been modified and applied to RELAP5-3D. Furthermore, mathematical analysis of the adequacy of the checks used in the comparisons is provided.

  10. THE THOMSON SURFACE. III. TRACKING FEATURES IN 3D

    SciTech Connect (OSTI)

    Howard, T. A.; DeForest, C. E.; Tappin, S. J.; Odstrcil, D.

    2013-03-01

    In this, the final installment in a three-part series on the Thomson surface, we present simulated observations of coronal mass ejections (CMEs) observed by a hypothetical polarizing white light heliospheric imager. Thomson scattering yields a polarization signal that can be exploited to locate observed features in three dimensions relative to the Thomson surface. We consider how the appearance of the CME changes with the direction of trajectory, using simulations of a simple geometrical shape and also of a more realistic CME generated using the ENLIL model. We compare the appearance in both unpolarized B and polarized pB light, and show that there is a quantifiable difference in the measured brightness of a CME between unpolarized and polarized observations. We demonstrate a technique for using this difference to extract the three-dimensional (3D) trajectory of large objects such as CMEs. We conclude with a discussion on how a polarizing heliospheric imager could be used to extract 3D trajectory information about CMEs or other observed features.

  11. RELAP5-3D Restart and Backup Verification Testing

    SciTech Connect (OSTI)

    Dr. George L Mesina

    2013-09-01

    Existing testing methodology for RELAP5-3D employs a set of test cases collected over two decades to test a variety of code features and run on a Linux or Windows platform. However, this set has numerous deficiencies in terms of code coverage, detail of comparison, running time, and testing fidelity of RELAP5-3D restart and backup capabilities. The test suite covers less than three quarters of the lines of code in the relap directory and just over half those in the environmental library. Even in terms of code features, many are not covered. Moreover, the test set runs many problems long past the point necessary to test the relevant features. It requires standard problems to run to completion. This is unnecessary for features can be tested in a short-running problem. For example, many trips and controls can be tested in the first few time steps, as can a number of fluid flow options. The testing system is also inaccurate. For the past decade, the diffem script has been the primary tool for checking that printouts from two different RELAP5-3D executables agree. This tool compares two output files to verify that all characters are the same except for those relating to date, time and a few other excluded items. The variable values printed on the output file are accurate to no more than eight decimal places. Therefore, calculations with errors in decimal places beyond those printed remain undetected. Finally, fidelity of restart is not tested except in the PVM sub-suite and backup is not specifically tested at all. When a restart is made from any midway point of the base-case transient, the restart must produce the same values. When a backup condition occurs, the code repeats advancements with the same time step. A perfect backup can be tested by forcing RELAP5 to perform a backup by falsely setting a backup condition flag at a user-specified-time. Comparison of the calculations of that run and those produced by the same input w/o the spurious condition should be identical. Backup testing is more difficult the other kinds of testing described above because it requires additional coding to implement. The testing system constructed and described in this document resolves all of these issues. A matrix of test features and short-running cases that exercise them is presented. A small information file that contains sufficient data to verify calculations to the last decimal place and bit is produced. This testing system is used to test base cases (called null testing) as well as restart and backup cases. The programming that implements these new capabilities is presented.

  12. Exploration 3-D Seismic Field Test/Native Tribes Initiative

    SciTech Connect (OSTI)

    Carroll, Herbert B.; Chen, K.C.; Guo, Genliang; Johnson, W.I.; Reeves,T.K.; Sharma,Bijon

    1999-04-27

    To determine current acquisition procedures and costs and to further the goals of the President's Initiative for Native Tribes, a seismic-survey project is to be conducted on Osage tribal lands. The goals of the program are to demonstrate the capabilities, costs, and effectiveness of 3-D seismic work in a small-operator setting and to determine the economics of such a survey. For these purposes, typical small-scale independent-operator practices are being followed and a shallow target chose in an area with a high concentration of independent operators. The results will be analyzed in detail to determine if there are improvements and/or innovations which can be easily introduced in field-acquisition procedures, in processing, or in data manipulation and interpretation to further reduce operating costs and to make the system still more active to the small-scale operator.

  13. Shell Element Verification & Regression Problems for DYNA3D

    SciTech Connect (OSTI)

    Zywicz, E

    2008-02-01

    A series of quasi-static regression/verification problems were developed for the triangular and quadrilateral shell element formulations contained in Lawrence Livermore National Laboratory's explicit finite element program DYNA3D. Each regression problem imposes both displacement- and force-type boundary conditions to probe the five independent nodal degrees of freedom employed in the targeted formulation. When applicable, the finite element results are compared with small-strain linear-elastic closed-form reference solutions to verify select aspects of the formulations implementation. Although all problems in the suite depict the same geometry, material behavior, and loading conditions, each problem represents a unique combination of shell formulation, stabilization method, and integration rule. Collectively, the thirty-six new regression problems in the test suite cover nine different shell formulations, three hourglass stabilization methods, and three families of through-thickness integration rules.

  14. 3D Model of the Neal Hot Springs Geothermal Area

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Faulds, James E.

    The Neal Hot Springs geothermal system lies in a left-step in a north-striking, west-dipping normal fault system, consisting of the Neal Fault to the south and the Sugarloaf Butte Fault to the north (Edwards, 2013). The Neal Hot Springs 3D geologic model consists of 104 faults and 13 stratigraphic units. The stratigraphy is sub-horizontal to dipping <10 degrees and there is no predominant dip-direction. Geothermal production is exclusively from the Neal Fault south of, and within the step-over, while geothermal injection is into both the Neal Fault to the south of the step-over and faults within the step-over.

  15. 3D imaging of semiconductor components by discrete laminography

    SciTech Connect (OSTI)

    Batenburg, K. J.; Palenstijn, W. J.; Sijbers, J.

    2014-06-19

    X-ray laminography is a powerful technique for quality control of semiconductor components. Despite the advantages of nondestructive 3D imaging over 2D techniques based on sectioning, the acquisition time is still a major obstacle for practical use of the technique. In this paper, we consider the application of Discrete Tomography to laminography data, which can potentially reduce the scanning time while still maintaining a high reconstruction quality. By incorporating prior knowledge in the reconstruction algorithm about the materials present in the scanned object, far more accurate reconstructions can be obtained from the same measured data compared to classical reconstruction methods. We present a series of simulation experiments that illustrate the potential of the approach.

  16. Modeling the GFR with RELAP5-3D

    SciTech Connect (OSTI)

    Cliff B. Davis; Theron D. Marshall; K. D. Weaver

    2005-09-01

    Significant improvements have been made to the RELAP5-3D computer code for analysis of the Gas Fast Reactor (GFR). These improvements consisted of adding carbon dioxide as a working fluid, improving the turbine component, developing a compressor model, and adding the Gnielinski heat transfer correlation. The code improvements were validated, generally through comparisons with independent design calculations. A model of the power conversion unit of the GFR was developed. The model of the power conversion unit was coupled to a reactor model to develop a complete model of the GFR system. The RELAP5 model of the GFR was used to simulate two transients, one initiated by a reactor trip and the other initiated by a loss of load.

  17. TRACE3D. Interactive Beam-Dynamics Program

    SciTech Connect (OSTI)

    Singleton, L.; Yao, C.Y.

    1993-12-01

    TRACE3D is an interactive program that calculates the envelopes of a bunched beam, including linear space-charge forces, through a user-defined system. The transport system may consist of the following elements: drift, thin lens, quadrupole, permanent magnet quadrupole, solenoid, doublet, triplet, bending magnet, edge angle (for bend), RF gap, radio-frequency-quadrupole cell, RF cavity, coupled-cavity tank, user-desired element, coordinate rotation, and identical element. The beam is represented by a 6X6 matrix defining a hyper-ellipsoid in six-dimensional phase space. The projection of this hyperellipsoid on any two-dimensional plane is an ellipse that defines the boundary of the beam in that plane.

  18. 3D deformation field throughout the interior of materials.

    SciTech Connect (OSTI)

    Jin, Huiqing; Lu, Wei-Yang

    2013-09-01

    This report contains the one-year feasibility study for our three-year LDRD proposal that is aimed to develop an experimental technique to measure the 3D deformation fields inside a material body. In this feasibility study, we first apply Digital Volume Correlation (DVC) algorithm to pre-existing in-situ Xray Computed Tomography (XCT) image sets with pure rigid body translation. The calculated displacement field has very large random errors and low precision that are unacceptable. Then we enhance these tomography images by setting threshold of the intensity of each slice. DVC algorithm is able to obtain accurate deformation fields from these enhanced image sets and the deformation fields are consistent with the global mechanical loading that is applied to the specimen. Through this study, we prove that the internal markers inside the pre-existing tomography images of aluminum alloy can be enhanced and are suitable for DVC to calculate the deformation field throughout the material body.

  19. Visualizing 3D velocity fields near contour surfaces. Revision 1

    SciTech Connect (OSTI)

    Max, N.; Crawfis, R.; Grant, C.

    1994-08-08

    Vector field rendering is difficult in 3D because the vector icons overlap and hide each other. We propose four different techniques for visualizing vector fields only near surfaces. The first uses motion blurred particles in a thickened region around the surface. The second uses a voxel grid to contain integral curves of the vector field. The third uses many antialiased lines through the surface, and the fourth uses hairs sprouting from the surface and then bending in the direction of the vector field. All the methods use the graphics pipeline, allowing real time rotation and interaction, and the first two methods can animate the texture to move in the flow determined by the velocity field.

  20. 3D Model of the San Emidio Geothermal Area

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    James E. Faulds

    2013-12-31

    The San Emidio geothermal system is characterized by a left-step in a west-dipping normal fault system that bounds the western side of the Lake Range. The 3D geologic model consists of 5 geologic units and 55 faults. Overlying Jurrassic-Triassic metasedimentary basement is a ~500 m-1000 m thick section of the Miocene lower Pyramid sequence, pre- syn-extensional Quaternary sedimentary rocks and post-extensional Quaternary rocks. 15-30º eastward dip of the stratigraphy is controlled by the predominant west-dipping fault set. Both geothermal production and injection are concentrated north of the step over in an area of closely spaced west dipping normal faults.

  1. Eigenvalue Contributon Estimator for Sensitivity Calculations with TSUNAMI-3D

    SciTech Connect (OSTI)

    Rearden, Bradley T [ORNL; Williams, Mark L [ORNL

    2007-01-01

    Since the release of the Tools for Sensitivity and Uncertainty Analysis Methodology Implementation (TSUNAMI) codes in SCALE [1], the use of sensitivity and uncertainty analysis techniques for criticality safety applications has greatly increased within the user community. In general, sensitivity and uncertainty analysis is transitioning from a technique used only by specialists to a practical tool in routine use. With the desire to use the tool more routinely comes the need to improve the solution methodology to reduce the input and computational burden on the user. This paper reviews the current solution methodology of the Monte Carlo eigenvalue sensitivity analysis sequence TSUNAMI-3D, describes an alternative approach, and presents results from both methodologies.

  2. Automating the determination of 3D protein structure

    SciTech Connect (OSTI)

    Rayl, K.D.

    1993-12-31

    The creation of an automated method for determining 3D protein structure would be invaluable to the field of biology and presents an interesting challenge to computer science. Unfortunately, given the current level of protein knowledge, a completely automated solution method is not yet feasible, therefore, our group has decided to integrate existing databases and theories to create a software system that assists X-ray crystallographers in specifying a particular protein structure. By breaking the problem of determining overall protein structure into small subproblems, we hope to come closer to solving a novel structure by solving each component. By generating necessary information for structure determination, this method provides the first step toward designing a program to determine protein conformation automatically.

  3. 3D Model of the Neal Hot Springs Geothermal Area

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Faulds, James E.

    2013-12-31

    The Neal Hot Springs geothermal system lies in a left-step in a north-striking, west-dipping normal fault system, consisting of the Neal Fault to the south and the Sugarloaf Butte Fault to the north (Edwards, 2013). The Neal Hot Springs 3D geologic model consists of 104 faults and 13 stratigraphic units. The stratigraphy is sub-horizontal to dipping <10 degrees and there is no predominant dip-direction. Geothermal production is exclusively from the Neal Fault south of, and within the step-over, while geothermal injection is into both the Neal Fault to the south of the step-over and faults within the step-over.

  4. 3D Model of the San Emidio Geothermal Area

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    James E. Faulds

    The San Emidio geothermal system is characterized by a left-step in a west-dipping normal fault system that bounds the western side of the Lake Range. The 3D geologic model consists of 5 geologic units and 55 faults. Overlying Jurrassic-Triassic metasedimentary basement is a ~500 m-1000 m thick section of the Miocene lower Pyramid sequence, pre- syn-extensional Quaternary sedimentary rocks and post-extensional Quaternary rocks. 15-30º eastward dip of the stratigraphy is controlled by the predominant west-dipping fault set. Both geothermal production and injection are concentrated north of the step over in an area of closely spaced west dipping normal faults.

  5. Portable convertible blast effects shield

    DOE Patents [OSTI]

    Pastrnak, John W. (Livermore, CA); Hollaway, Rocky (Modesto, CA); Henning, Carl D. (Livermore, CA); Deteresa, Steve (Livermore, CA); Grundler, Walter (Hayward, CA); Hagler, Lisle B. (Berkeley, CA); Kokko, Edwin (Dublin, CA); Switzer, Vernon A. (Livermore, CA)

    2011-03-15

    A rapidly deployable portable convertible blast effects shield/ballistic shield includes a set two or more frusto-conically-tapered telescoping rings operably connected to each other to convert between a telescopically-collapsed configuration for storage and transport, and a telescopically-extended upright configuration forming an expanded inner volume. In a first embodiment, the upright configuration provides blast effects shielding, such as against blast pressures, shrapnel, and/or fire balls. And in a second embodiment, the upright configuration provides ballistic shielding, such as against incoming weapons fire, shrapnel, etc. Each ring has a high-strength material construction, such as a composite fiber and matrix material, capable of substantially inhibiting blast effects and impinging projectiles from passing through the shield. And the set of rings are releasably securable to each other in the telescopically-extended upright configuration by the friction fit of adjacent pairs of frusto-conically-tapered rings to each other.

  6. Portable convertible blast effects shield

    DOE Patents [OSTI]

    Pastrnak, John W. (Livermore, CA); Hollaway, Rocky (Modesto, CA); Henning, Carl D. (Livermore, CA); Deteresa, Steve (Livermore, CA); Grundler, Walter (Hayward, CA); Hagler,; Lisle B. (Berkeley, CA); Kokko, Edwin (Dublin, CA); Switzer, Vernon A (Livermore, CA)

    2010-10-26

    A rapidly deployable portable convertible blast effects shield/ballistic shield includes a set two or more telescoping cylindrical rings operably connected to each other to convert between a telescopically-collapsed configuration for storage and transport, and a telescopically-extended upright configuration forming an expanded inner volume. In a first embodiment, the upright configuration provides blast effects shielding, such as against blast pressures, shrapnel, and/or fire balls. And in a second embodiment, the upright configuration provides ballistic shielding, such as against incoming weapons fire, shrapnel, etc. Each ring has a high-strength material construction, such as a composite fiber and matrix material, capable of substantially inhibiting blast effects and impinging projectiles from passing through the shield. And the set of rings are releasably securable to each other in the telescopically-extended upright configuration, such as by click locks.

  7. Portable convertible blast effects shield

    DOE Patents [OSTI]

    Pastrnak, John W. (Livermore, CA); Hollaway, Rocky (Modesto, CA); Henning, Carl D. (Livermore, CA); Deteresa, Steve (Livermore, CA); Grundler, Walter (Hayward, CA); Hagler, Lisle B. (Berkeley, CA); Kokko, Edwin (Dublin, CA); Switzer, Vernon A (Livermore, CA)

    2007-05-22

    A rapidly deployable portable convertible blast effects shield/ballistic shield includes a set two or more telescoping cylindrical rings operably connected to each other to convert between a telescopically-collapsed configuration for storage and transport, and a telescopically-extended upright configuration forming an expanded inner volume. In a first embodiment, the upright configuration provides blast effects shielding, such as against blast pressures, shrapnel, and/or fire balls. And in a second embodiment, the upright configuration provides ballistic shielding, such as against incoming weapons fire, shrapnel, etc. Each ring has a high-strength material construction, such as a composite fiber and matrix material, capable of substantially inhibiting blast effects and impinging projectiles from passing through the shield. And the set of rings are releasably securable to each other in the telescopically-extended upright configuration, such as by click locks.

  8. DYNA3D: A nonlinear, explicit, three-dimensional finite element...

    Office of Scientific and Technical Information (OSTI)

    Service, Springfield, VA at www.ntis.gov. This report is the User Manual for the 1993 version of DYNA3D, and also serves as a User Guide. DYNA3D is a nonlinear, explicit,...

  9. Simultaneous Detection and Registration for Ileo-Cecal Valve Detection in 3D CT Colonography

    E-Print Network [OSTI]

    Barbu, Adrian

    Simultaneous Detection and Registration for Ileo-Cecal Valve Detection in 3D CT Colonography Le Lu1-Cecal Valve (ICV) detection in both clean and tagged 3D CT colonography scans. Our final ICV detection system

  10. Design and fabrication of a modular multi-material 3D printer

    E-Print Network [OSTI]

    Lan, Justin (Justin T.)

    2013-01-01

    This thesis presents 3DP-0, a modular, multi-material 3D printer. Currently, 3D printers available on the market are typically expensive and difficult to develop. In addition, the simultaneous use of multiple materials in ...

  11. Fabrication and applications of sub-micron 2D and 3D periodic...

    Office of Scientific and Technical Information (OSTI)

    Fabrication and applications of sub-micron 2D and 3D periodic carbon structures. Citation Details In-Document Search Title: Fabrication and applications of sub-micron 2D and 3D...

  12. Domain Fishing and 3D-JIGSAW: tools for protein comparative modelling

    E-Print Network [OSTI]

    Moreira, Bruno Contreras

    Domain Fishing and 3D-JIGSAW: tools for protein comparative modelling Bruno Contreras Fishing up to 7 alternative alignments #12;3D-JIGSAW Example #12;EVA: continuous evaluation of servers

  13. Statistical methods for 2D-3D registration of optical and LIDAR images

    E-Print Network [OSTI]

    Mastin, Dana Andrew

    2009-01-01

    Fusion of 3D laser radar (LIDAR) imagery and aerial optical imagery is an efficient method for constructing 3D virtual reality models. One difficult aspect of creating such models is registering the optical image with the ...

  14. 3D Geological Modelling In Bavaria - State-Of-The-Art At A State...

    Open Energy Info (EERE)

    3D Geological Modelling In Bavaria - State-Of-The-Art At A State Geological Survey Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: 3D Geological...

  15. 3D Cobra, Renewable Energy, and Green Button at the National...

    Energy Savers [EERE]

    whose design is based off of the 1965 Shelby Cobra, showcases the capabilities of 3D printing and advanced electric vehicles technology. (Click here to read more about the 3D...

  16. Interactive 3D Modeling of Indoor Environments with a Consumer Depth Camera

    E-Print Network [OSTI]

    Washington at SeattleUniversity of

    are far from accessible to average consumers. Recently, image-based 3D modeling has become feasible, with Photo Tourism [28] being a prominent example how 3D structures can be recovered by analyzing

  17. WiPrint: 3D Printing Your Wireless Coverage Author: Justin Chan

    E-Print Network [OSTI]

    WiPrint: 3D Printing Your Wireless Coverage Author: Justin Chan Advisor: Xia Zhou Dartmouth WiPrint, a novel approach to customiz- ing wireless signal maps using 3D printed glossy reflectors

  18. Application of Modern Filtering Techniques for 3D Localisation in Biological and Robotic Systems

    E-Print Network [OSTI]

    Application of Modern Filtering Techniques for 3D Localisation in Biological and Robotic Systems Application of Modern Filtering Techniques for 3D Localisation in Biological and Robotic Systems Kudah C system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Robotic system

  19. "Flying Through the Known Universe" Screens at 3D Film Festival...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    "Flying Through the Known Universe" Screens at 3D Film Festival in L.A. "Flying Through the Known Universe" Screens at 3D Film Festival in L.A. September 19, 2012 perseus This...

  20. 3-D Inversion Of Borehole-To-Surface Electrical Data Using A...

    Open Energy Info (EERE)

    3-D Inversion Of Borehole-To-Surface Electrical Data Using A Back-Propagation Neural Network Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: 3-D...

  1. 3-D Printed Electrically and Optically Paced Skeletal Muscle Based Biological Machines Caroline Cvetkovic, Bioengineering

    E-Print Network [OSTI]

    Kilian, Kristopher A.

    3-D Printed Electrically and Optically Paced Skeletal Muscle Based Biological Machines Caroline Research Aims and Goals · To use 3D printing technologies to fabricate the structure of the biological

  2. CRYPTANALYSIS ASPECTS IN 3-D WATERMARKING V. Itier1,3

    E-Print Network [OSTI]

    Bors, Adrian

    by the expansion of new multimedia technolo- gies such as the 3-D printing. In the development of crypto- security. INTRODUCTION Because of the expansion of new technologies including mo- bile multimedia and 3-D printing

  3. High-resolution 3-D refractive index imaging and Its biological applications

    E-Print Network [OSTI]

    Sung, Yongjin

    2011-01-01

    This thesis presents a theory of 3-D imaging in partially coherent light under a non-paraxial condition. The transmission cross-coefficient (TCC) has been used to characterize partially coherent imaging in a 2- D and 3-D ...

  4. 3D microstructure modeling of compressed fiber-based Gerd Gaiselmanna,

    E-Print Network [OSTI]

    Schmidt, Volker

    consideration of compression conditions as found in fuel cells. Given the input of a 3D microstructure of some compression states, an optimal vector field is estimated by simulated annealing. The model is applied to 3D im

  5. Geometric modeling and optimization in 3D solar cells : implementation and algorithms

    E-Print Network [OSTI]

    Wan, Jin Hao, M. Eng. Massachusetts Institute of Technology

    2014-01-01

    Conversion of solar energy in three-dimensional (3D) devices has been essentially untapped. In this thesis, I design and implement a C++ program that models and optimizes a 3D solar cell ensemble embedded in a given ...

  6. Novel 3d-4f Magnetic Intermetallic Materials by Design | The...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    both itinerant 3d electrons of transition metals and localized 4f electrons of rare earth metals could yield large 3d-4f exchange interactions that are prospective for many...

  7. Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life Photo Gallery: 3D Printing Brings Classic Shelby Cobra to Life April 15, 2015 - 4:02pm Addthis Zero to 60 in under...

  8. ModelCraft: Capturing Freehand Annotations and Edits on Physical 3D Models

    E-Print Network [OSTI]

    Keinan, Alon

    of affordable new desktop fabrication techniques such as 3D printing and laser cutting, physical models are used cur- rent 3D printing technology. ACM CLASSIFICATION: H5.2 [Information interfaces and presentation

  9. Design and analysis of a concrete modular housing system constructed with 3D panels

    E-Print Network [OSTI]

    Sarcia, Sam Rhea, 1982-

    2004-01-01

    An innovative modular house system design utilizing an alternative concrete residential building system called 3D panels is presented along with an overview of 3D panels as well as relevant methods and markets. The proposed ...

  10. A HIERARCHICAL STATISTICAL MODELING APPROACH FOR THE UNSUPERVISED 3D RECONSTRUCTION OF THE SCOLIOTIC SPINE

    E-Print Network [OSTI]

    Mignotte, Max

    . INTRODUCTION Scoliosis is a 3D deformation of the natural curve of the spinal column, including rotations and vertebral deformations. To ana­ lyze the 3D characteristics of these deformations, which can be useful

  11. In Operando Soft X-ray Spectroscopy of 3D Graphene Supercapacitor...

    Office of Scientific and Technical Information (OSTI)

    In Operando Soft X-ray Spectroscopy of 3D Graphene Supercapacitor Electrodes Citation Details In-Document Search Title: In Operando Soft X-ray Spectroscopy of 3D Graphene...

  12. Impact of 3D printing on global supply chains by 2020

    E-Print Network [OSTI]

    Bhasin, Varun

    2014-01-01

    This thesis aims to quantitatively estimate the potential impact of 3D Printing on global supply chains. Industrial adoption of 3D Printing has been increasing gradually from prototyping to manufacturing of low volume ...

  13. The roughness of stylolites: Implications of 3D high resolution topography measurements

    E-Print Network [OSTI]

    Boyer, Edmond

    diagenesis and metamorphism that develop after their initiation. In this Letter we show the first 3D high

  14. C H A P T E R 1 What is Java 3D and

    E-Print Network [OSTI]

    Hill, Gary

    1 C H A P T E R 1 What is Java 3D and is it for me? 1.1 Strengths 2 1.2 Weaknesses 3 1.3 System Java 3D is an application programming interface (API) developed at Sun Microsystems for rendering interactive 3D graphics using the Java programming language. Java 3D is a client-side Java API. Other examples

  15. Final report: high resolution lensless 3D imaging of nanostructures with coherent x-rays

    SciTech Connect (OSTI)

    Jacobsen, Chris

    2014-12-07

    Final report on the project "High resolution lensless 3D imaging of nanostructures with coherent x-rays"

  16. Shear wall ultimate drift limits for PRA applications

    SciTech Connect (OSTI)

    Duffey, T.A. [New Mexico Highlands Univ., Las Vegas, NM (United States); Farrar, C.R.; Goldman, A. [Los Alamos National Lab., NM (United States)

    1995-03-01

    Drift limits for reinforced concrete shear walls are investigated by reviewing the technical literature for appropriate experimental data. Based on the geometry of actual nuclear power plant structures (exclusive of containments) and concerns regarding their response during seismic loading, data are obtained from pertinent references where the wall aspect ratio is less than or equal to approximately 1, and for which the loading is cyclic. Lateral deflections at ultimate load, and at points in the softening region beyond ultimate, are obtained and converted to drift information. The statistical nature of the data is also investigated. These data are shown to be lognormally distributed, and an analysis of variance is performed. The use of these statistics to estimate Probability of Failure for a shear wall structure is illustrated.

  17. ROBOPuppet: Low-Cost, 3D Printed Miniatures for Teleoperating Full-Size Robots

    E-Print Network [OSTI]

    Hauser, Kris

    -the-shelf electronics and new rapid proto- typing technologies, specifically the wide availability of 3D printers to nonROBOPuppet: Low-Cost, 3D Printed Miniatures for Teleoperating Full-Size Robots Anna Eilering of the robot links, which are then 3D printed and assembled. This procedure is generalizable to variety

  18. THINKING LIKE ARCHIMEDES WITH A 3D PRINTER OLIVER KNILL AND ELIZABETH SLAVKOVSKY

    E-Print Network [OSTI]

    Knill, Oliver

    THINKING LIKE ARCHIMEDES WITH A 3D PRINTER OLIVER KNILL AND ELIZABETH SLAVKOVSKY Abstract. We illustrate Archimedes' method using models produced with 3D printers. This approach allowed us to create- iment, we follow his steps by building models produced with modern 3D printers. Archimedes was an early

  19. Build-to-Last: Strength to Weight 3D Printed Objects Andrei Sharf2

    E-Print Network [OSTI]

    Sharf, Andrei

    The emergence of low-cost 3D printers steers the investigation of new geometric problems that controlBuild-to-Last: Strength to Weight 3D Printed Objects Lin Lu1 Andrei Sharf2 Haisen Zhao1 Yuan Wei1 Ben-Gurion University 3 Tel Aviv University Figure 1: We reduce the material of a 3D kitten (left

  20. A Desktop 3D Printer in Safety-Critical Java Trur Biskopst Strm

    E-Print Network [OSTI]

    Schoeberl, Martin

    A Desktop 3D Printer in Safety-Critical Java Tórur Biskopstø Strøm Department of Informatics according to the specification. In this paper we present a 3D printer and its safety-critical Java level 1 evaluate the specification by implementing a RepRap 3D desktop printer as a use case. A RepRap is a desktop

  1. 3D Fingerprint Phantoms Sunpreet S. Arora1, Kai Cao1,

    E-Print Network [OSTI]

    Printing · Phantoms fabricated using a 3D printer (X & Y resolution: 16 microns, Z resolution: 30 microns3D Fingerprint Phantoms Sunpreet S. Arora1, Kai Cao1, Nicholas G. Paulter Jr.2 and Anil K. Jain1 1 by a grant from the NIST Measurement Science Program #12;3D Fingerprint Phantom 2 2D synthetic fingerprint

  2. Supplementary Material for Interdroplet bilayer arrays in millifluidic droplet traps from 3D printed moulds

    E-Print Network [OSTI]

    Southampton, University of

    on an Objet Connex350TM 3D printer. One block was baked for 24 hours at 80 °C, causing a colour change fromSupplementary Material for Interdroplet bilayer arrays in millifluidic droplet traps from 3D. Untreated 3D-printed moulds were found to inhibit the curing of PDMS; baking the moulds eliminates

  3. Computational Light Routing: 3D Printed Optical Fibers For Sensing and Display

    E-Print Network [OSTI]

    applications. Printing optical fibers is made possible by modern multi-material 3D printers. We print twoComputational Light Routing: 3D Printed Optical Fibers For Sensing and Display THIAGO PEREIRA or restrict themselves to light dif- fusion in volumes. We use multi-material 3D printing to fabricate objects

  4. A Series of Tubes: Adding Interactivity to 3D Prints Using Internal Pipes

    E-Print Network [OSTI]

    O'Brien, James F.

    , and presence-aware pen holder. Center: touch-sensitive toys. Right: custom neon signs. ABSTRACT 3D printers leverage 3D printers as tools for design work. A wide array of objects, from toy fig- urines to video game fabricated on 3D printers today are passive: they express the form, but not the interactivity, of an object

  5. Spheree: A 3D Perspective-Corrected Interactive Spherical Scalable Display Ferreira, F.q

    E-Print Network [OSTI]

    British Columbia, University of

    in their applications or even print them with a 3D printer. Thus, Spheree plays a key role in realizing a completeSpheree: A 3D Perspective-Corrected Interactive Spherical Scalable Display Ferreira, F.q , Cabral to support head-coupled rendering to provide parallax-based 3D depth cues. Spheree is relatively compact

  6. Mime: Compact, Low-Power 3D Gesture Sensing for Interaction with Head-Mounted Displays

    E-Print Network [OSTI]

    Goyal, Vivek K

    Mime: Compact, Low-Power 3D Gesture Sensing for Interaction with Head-Mounted Displays Andrea Colac of Technology Figure 1: Mime is a compact, low power sensor for 3D gestural control of head mounted displays, a compact, low-power 3D sensor for unen- cumbered free-form, single-handed gestural interaction with head

  7. Generalized 3-D Tolerance Analysis of Mechanical Assemblies with Small Kinematic Adjustments

    E-Print Network [OSTI]

    Generalized 3-D Tolerance Analysis of Mechanical Assemblies with Small Kinematic Adjustments of Mechanical Engineering Brigham Young University Provo, Utah Abstract The Direct Linearization Method (DLM) for tolerance analysis of 3-D mechanical assemblies is presented. Vector assembly models are used, based on 3-D

  8. 3D seismic imaging of buried Younger Dryas mass movement flows: Lake Windermere, UK

    E-Print Network [OSTI]

    National Oceanography Centre Southampton

    ). In the offshore environment, 3D seismic data sets have bridged the gap between localised core stratigraphy3D seismic imaging of buried Younger Dryas mass movement flows: Lake Windermere, UK Mark E. Vardy a Keywords: High-resolution 3D seismic Submarine landslides Younger Dryas Lake District Windermere Debris

  9. 3D Systems Packaging Research Center DELIVERING BREAKTHROUGH IDEAS TO INDUSTRY

    E-Print Network [OSTI]

    Li, Mo

    3D Systems Packaging Research Center DELIVERING BREAKTHROUGH IDEAS TO INDUSTRY 3D Systems Packaging-costdecouplingcapacitorsonsilicon,glassandorganic packages ·Novel nanocomposite dielectrics for low TCC, low loss and highpermittivity ·Demonstration of size #12;3D Systems Packaging Research Center 813 Ferst Drive, NW, Atlanta, GA 30332 · 404.894.9097 fax

  10. Module Placement for Power Supply Noise and Wire Congestion Avoidance in 3D Packaging

    E-Print Network [OSTI]

    Swaminathan, Madhavan

    Module Placement for Power Supply Noise and Wire Congestion Avoidance in 3D Packaging Jacob Minz congestion minimization for 3D packaging. We employ decoupling capacitance insertion for noise suppression and 3D global routing for congestion avoidance. I. INTRODUCTION The m e potential of System-On-Package

  11. Class-specific grasping of 3D objects from a single 2D image

    E-Print Network [OSTI]

    Chiu, Han-Pang

    Our goal is to grasp 3D objects given a single image, by using prior 3D shape models of object classes. The shape models, defined as a collection of oriented primitive shapes centered at fixed 3D positions, can be learned ...

  12. 3D City Model Generator: The Application of Neuro-Fuzzy Systems in CAD

    E-Print Network [OSTI]

    163 3D City Model Generator: The Application of Neuro-Fuzzy Systems in CAD Yoshihiro Kobayashi that generates 3D city models from satellite images is formulated, implemented, and tested. Techniques from operations. Therefore, it is expected to develop a system that will generate 3D city models more easily

  13. Optical Snow Analysis using the 3D-Xray Transform A. Averbuch2

    E-Print Network [OSTI]

    Averbuch, Amir

    Optical Snow Analysis using the 3D-Xray Transform N. Peled1 A. Averbuch2 Y. Keller3 Y. Shkolnisky4 of the classical methods use optical flow, layered motion or segmentation. Optical snow is a complex motion optical snow motion in video by using the discrete 3D-Xray transform. The algorithm uses the discrete 3D

  14. Thermal-Aware Physical Design Flow for 3-D ICs Jason Cong and Yan Zhang

    E-Print Network [OSTI]

    Cong, Jason "Jingsheng"

    Thermal-Aware Physical Design Flow for 3-D ICs Jason Cong and Yan Zhang UCLA Computer Science of the largest challenges in 3-D IC design is heat dissipation. In this paper we propose a thermal-aware physical IC designs [2]. The thermal problem is exacerbated in the 3-D cases for mainly two reasons: (1

  15. Thermal Coupling in TSV-Based 3-D Integrated Circuits Ioannis Savidis1

    E-Print Network [OSTI]

    Friedman, Eby G.

    Thermal Coupling in TSV-Based 3-D Integrated Circuits Ioannis Savidis1 and Eby G. Friedman2 1 examining thermal propagation within a 3-D integrated stack has been designed, fabricated, and tested. Design insight into thermal coupling in 3-D ICs through experimental means is provided, and suggestions

  16. ARTICLE IN PRESS 3D mapping of ventricular and corpus callosum abnormalities in

    E-Print Network [OSTI]

    Thompson, Paul

    differences with measures of immune system deterioration and cognitive decline. Methods: 51 3D brain MRI scans correlated with viral load, T cell counts, and cognitive impairment. Results: Statistical maps revealed the 3D profile of ventricular expansion and callosal thinning in AIDS. Specific 3D ventricular changes

  17. Automated 3D Phenotype Analysis Using Data Mining Ilya Plyusnin1

    E-Print Network [OSTI]

    Evans, Alistair

    Automated 3D Phenotype Analysis Using Data Mining Ilya Plyusnin1 *, Alistair R. Evans1 , Aleksis. Here, we introduce the techniques of data mining to the study of 3D biological shapes to bring, Jernvall J (2008) Automated 3D Phenotype Analysis Using Data Mining. PLoS ONE 3(3): e1742. doi:10

  18. MASKS 2004 Invitation to 3D vision Step-by-Step Model Buidling

    E-Print Network [OSTI]

    Kosecka, Jana

    MASKS © 2004 Invitation to 3D vision Step-by-Step Model Buidling #12;MASKS © 2004 Invitation to 3D Reconstruction Sparse Structure and camera motion Landing Augmented Reality Vision Based Control #12;MASKS © 2004 Reconstruction #12;MASKS © 2004 Invitation to 3D vision Review Feature correspondence Projective Reconstruction

  19. Tracking @stemxcomet: Teaching Programming to Blind Students via 3D Printing, Crisis Management, and Twitter

    E-Print Network [OSTI]

    Kane, Shaun K.

    r Tracking @stemxcomet: Teaching Programming to Blind Students via 3D Printing, Crisis Management such as 3D printing offer an opportunity for students to write programs that produce tactile objects and suggests future directions for integrating data analysis and 3D printing into programming instruction

  20. Bridging the Gap: Automated Steady Scaffoldings for 3D Printing Jrmie Dumas

    E-Print Network [OSTI]

    Lévy, Bruno

    Bridging the Gap: Automated Steady Scaffoldings for 3D Printing Jérémie Dumas Université de Figure 1: The upper leg of the Poppy robot (www.poppy-project.org) cannot be 3D printed on low cost FDM usage. Abstract Fused Filament Fabrication (FFF) is the process of 3D printing ob- jects from melted

  1. Printed Optics: 3D Printing of Embedded Optical Elements for Interactive Devices

    E-Print Network [OSTI]

    Poupyrev, Ivan

    Printed Optics: 3D Printing of Embedded Optical Elements for Interactive Devices Karl D.D. Willis1 d Figure 1: Custom optical elements are fabricated with 3D printing and embedded in interactive), and embedded optoelectronics (d). ABSTRACT We present an approach to 3D printing custom optical ele- ments

  2. Manipulating complex network structures in virtual reality and 3D printing of the results

    E-Print Network [OSTI]

    Verschure, Paul

    Manipulating complex network structures in virtual reality and 3D printing of the results Alberto the results at any time for direct 3D printing. 1. INTRODUCTION Although its first appearance on the market can be tracked up to three decades ago, stereolithography (also known as 3D printing) has become

  3. Let me catch this! Experiencing Interactive 3D Cinema through Collecting Content with a Mobile Phone

    E-Print Network [OSTI]

    Let me catch this! Experiencing Interactive 3D Cinema through Collecting Content with a Mobile explore how to enable interaction with content in the context of 3D cinemas by means of a mobile phone interested in the user ex- perience of the interactive 3D cinema concept, and how dif- ferent interactive

  4. RICE UNIVERSITY Building a 3D Atlas of the Mouse Brain

    E-Print Network [OSTI]

    Ju, Tao

    RICE UNIVERSITY Building a 3D Atlas of the Mouse Brain by Tao Ju A Thesis Submitted in Partial, Texas April, 2005 #12;Building a 3D Atlas of the Mouse Brain Tao Ju Abstract Building and studying 3D representations of anatomical structures, such as the brain, plays an important role in modern biology and medical

  5. SCALING-UP OF NEW GENERATION OF 3D FLEXIBLE ORGANIC SOLAR CELLS

    E-Print Network [OSTI]

    Kassegne, Samuel Kinde

    SCALING-UP OF NEW GENERATION OF 3D FLEXIBLE ORGANIC SOLAR CELLS _______________ A Thesis Presented Generation of 3D Flexible Organic Solar Cell _____________________________________________ Samuel Kinde Engineering San Diego State University, 2012 Scaling-up of New Generation of 3D Flexible Organic Solar Cells

  6. 3D Pitot Tube Measurements and Calibration in the Wind Tunnel

    E-Print Network [OSTI]

    3D Pitot Tube Measurements and Calibration in the Wind Tunnel Center for Measurement Standards by CFD 9 #12;Copyright 2014 ITRI Omni-type 3D pitot tube Characterization of Pitot Tubes - Design of 3D.4) % · With grid No.4: T.I.= (1.7 to 4.4) % Grid-generated turbulent flow Calibration Facilities - Turbulence

  7. Automated registration of 3D-range with 2D-color images: an overview

    E-Print Network [OSTI]

    Stamos, Ioannis

    extraction 3D feature extraction Partial Model 2D feature extraction Complete Model Range-Range Registration adjust parameters on sitep Cannot handle historical photographs #12;Automated methods One 2D imageStamos)) Input: Range ImagesInput: Range Images 3D Line Extraction3D Line Extraction Input: 2D ImagesInput: 2D

  8. Hydraulic conductivity imaging from 3-D transient hydraulic tomography at several pumping/observation densities

    E-Print Network [OSTI]

    Barrash, Warren

    Hydraulic conductivity imaging from 3-D transient hydraulic tomography at several pumping August 2013; accepted 7 September 2013; published 13 November 2013. [1] 3-D Hydraulic tomography (3-D HT (primarily hydraulic conductivity, K) is estimated by joint inversion of head change data from multiple

  9. Theory of traveltime shifts around compacting reservoirs: 3D solutions for heterogeneous anisotropic media

    E-Print Network [OSTI]

    Tsvankin, Ilya

    Theory of traveltime shifts around compacting reservoirs: 3D solutions for heterogeneous and cannot be applied to traveltime shifts measured on prestack seismic data. We give an analytic 3D of traveltimes that accounts not only for the velocity changes but also for 3D deformation of reflectors

  10. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 1 A Rigorous and Efficient Analysis of 3D Printed

    E-Print Network [OSTI]

    Aksun, M. Irsadi

    IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 1 A Rigorous and Efficient Analysis of 3D Printed of structures with multiple vertical strips running in multilayer environment. Index Terms-- Multilayered 3D is developed to accurately simulate 3D structures in multilayer environment [1], and to simultaneously simulate

  11. Empowering the Industrial Internet of Things with 3D Printed Sensors and Antennas

    E-Print Network [OSTI]

    Das, Suman

    3/23/15 1 Empowering the Industrial Internet of Things with 3D Printed Sensors and Antennas Optomec Enabling Technology for the IIoT 9 Fully Print 3D Parts or Print-on 3Dtm Parts · Print Structural-process (dry, cure, sinter...) Part § Fine line traces § 3D Conformal printing § Interconnects § Embedded

  12. 3D Facial Expression Recognition for the Enhancement of Human-Computer Interaction

    E-Print Network [OSTI]

    Barreto, Armando

    , Armando Barreto Electrical & Computer Engineering Department Florida International University Miami, FL, with the development of 3D imaging technology, fast and cheap 3D scanners became available in the market. 3D scans do. The most distinctive features associated with a smile are the bulge of the cheek muscles and the uplift

  13. Hot Melt Inks for 3D Printing Veronika Chovancova*, Alexandra Pekarovicova* and Paul D. Fleming III

    E-Print Network [OSTI]

    Fleming, Paul D. "Dan"

    Hot Melt Inks for 3D Printing Veronika Chovancova*, Alexandra Pekarovicova* and Paul D. Fleming III for 3D printing comprises different waxes, tackifier and plasticizer resins, rheology modifiers, and UV rheological (or flow) behavior. 1 3D printing, direct ink-jet printing, and related approaches such as hot

  14. MAE SEMINAR Recent advances in Additive Manufacturing/3D Printing Technologies, Material Science and

    E-Print Network [OSTI]

    Mease, Kenneth D.

    MAE SEMINAR Recent advances in Additive Manufacturing/3D Printing Technologies, Material Science Samueli School of Engineering University of California Irvine 3D printing or Additive Manufacturing in different shapes. 3D printing is also considered distinct from traditional machining techniques, which

  15. Customization and 3D Printing: A Challenging Playground for Software Product Lines

    E-Print Network [OSTI]

    Boyer, Edmond

    Customization and 3D Printing: A Challenging Playground for Software Product Lines Mathieu Acher firstname.lastname@irisa.fr ABSTRACT 3D printing is gaining more and more momentum to build customized. We provide hints that SPL-alike techniques are practically used in 3D printing and thus relevant

  16. Cost-effective Printing of 3D Objects with Skin-Frame Structures Weiming Wang,

    E-Print Network [OSTI]

    Deng, Jiansong

    ; Keywords: 3D printing, fabrication, frame structure, sparsity op- timization Corresponding author: yangzw@ustc.edu.cn (Zhouwang Yang) 1 Introduction Additive manufacturing (3D printing) enables fabrication of physi- cal techniques of 3D printing has received considerable attention for assisting users to generate desired

  17. Make It Stand: Balancing Shapes for 3D Fabrication Romain Prvost1

    E-Print Network [OSTI]

    Lévy, Bruno

    modeling Keywords: Static equilibrium, structural stability, 3D printing, optimization, interactive shape intended, stable pose. With the advent of 3D printing technologies, it becomes very simple to produce in a computer this is of no consequence: the laws of physics do not apply. However, fabrication through 3D

  18. Multi-Finger Gestural Interaction with 3D Volumetric Displays Tovi Grossman, Daniel Wigdor, Ravin Balakrishnan

    E-Print Network [OSTI]

    Toronto, University of

    Multi-Finger Gestural Interaction with 3D Volumetric Displays Tovi Grossman, Daniel Wigdor, Ravin.dgp.toronto.edu ABSTRACT Volumetric displays provide interesting opportunities and challenges for 3D interaction and implementation of techniques for interactive direct manipulation of objects with a 3D volumetric display. Motion

  19. The Design and Evaluation of Selection Techniques for 3D Volumetric Displays

    E-Print Network [OSTI]

    Toronto, University of

    The Design and Evaluation of Selection Techniques for 3D Volumetric Displays Tovi Grossman & Ravin.dgp.toronto.edu ABSTRACT Volumetric displays, which display imagery in true 3D space, are a promising platform and interaction techniques must be designed. In this paper, we explore 3D selection techniques for volumetric

  20. KNOWLEDGE-BASED PROCESS MANAGEMENT TO POPULATE DATABASES WITH 3D MULTI-REPRESENTATION OF BUILDINGS

    E-Print Network [OSTI]

    extraction automation (through parametric models) while facilitating the extraction of simplified geometries on demand" applications or SOLAP (Spatial On-Line Analytical Processing) applications. Thus, 3D-MRDB (3D. Besides, creating a unique 3D-MRDB to derive different cartographic products is an interesting avenue

  1. The Force of a Tsunami on a Wave Energy Converter

    E-Print Network [OSTI]

    O'Brien, Laura; Renzi, Emiliano; Dutykh, Denys; Dias, Frédéric

    2012-01-01

    With an increasing emphasis on renewable energy resources, wave power technology is fast becoming a realistic solution. However, the recent tsunami in Japan was a harsh reminder of the ferocity of the ocean. It is known that tsunamis are nearly undetectable in the open ocean but as the wave approaches the shore its energy is compressed creating large destructive waves. The question posed here is whether a nearshore wave energy converter (WEC) could withstand the force of an incoming tsunami. The analytical 3D model of Renzi & Dias (2012) developed within the framework of a linear theory and applied to an array of fixed plates is used. The time derivative of the velocity potential allows the hydrodynamic force to be calculated.

  2. 3D Model of the Tuscarora Geothermal Area

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Faulds, James E.

    The Tuscarora geothermal system sits within a ~15 km wide left-step in a major west-dipping range-bounding normal fault system. The step over is defined by the Independence Mountains fault zone and the Bull Runs Mountains fault zone which overlap along strike. Strain is transferred between these major fault segments via and array of northerly striking normal faults with offsets of 10s to 100s of meters and strike lengths of less than 5 km. These faults within the step over are one to two orders of magnitude smaller than the range-bounding fault zones between which they reside. Faults within the broad step define an anticlinal accommodation zone wherein east-dipping faults mainly occupy western half of the accommodation zone and west-dipping faults lie in the eastern half of the accommodation zone. The 3D model of Tuscarora encompasses 70 small-offset normal faults that define the accommodation zone and a portion of the Independence Mountains fault zone, which dips beneath the geothermal field. The geothermal system resides in the axial part of the accommodation, straddling the two fault dip domains. The Tuscarora 3D geologic model consists of 10 stratigraphic units. Unconsolidated Quaternary alluvium has eroded down into bedrock units, the youngest and stratigraphically highest bedrock units are middle Miocene rhyolite and dacite flows regionally correlated with the Jarbidge Rhyolite and modeled with uniform cumulative thickness of ~350 m. Underlying these lava flows are Eocene volcanic rocks of the Big Cottonwood Canyon caldera. These units are modeled as intracaldera deposits, including domes, flows, and thick ash deposits that change in thickness and locally pinch out. The Paleozoic basement of consists metasedimenary and metavolcanic rocks, dominated by argillite, siltstone, limestone, quartzite, and metabasalt of the Schoonover and Snow Canyon Formations. Paleozoic formations are lumped in a single basement unit in the model. Fault blocks in the eastern portion of the model are tilted 5-30 degrees toward the Independence Mountains fault zone. Fault blocks in the western portion of the model are tilted toward steeply east-dipping normal faults. These opposing fault block dips define a shallow extensional anticline. Geothermal production is from 4 closely-spaced wells, that exploit a west-dipping, NNE-striking fault zone near the axial part of the accommodation zone.

  3. 3D Model of the Tuscarora Geothermal Area

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Faulds, James E.

    2013-12-31

    The Tuscarora geothermal system sits within a ~15 km wide left-step in a major west-dipping range-bounding normal fault system. The step over is defined by the Independence Mountains fault zone and the Bull Runs Mountains fault zone which overlap along strike. Strain is transferred between these major fault segments via and array of northerly striking normal faults with offsets of 10s to 100s of meters and strike lengths of less than 5 km. These faults within the step over are one to two orders of magnitude smaller than the range-bounding fault zones between which they reside. Faults within the broad step define an anticlinal accommodation zone wherein east-dipping faults mainly occupy western half of the accommodation zone and west-dipping faults lie in the eastern half of the accommodation zone. The 3D model of Tuscarora encompasses 70 small-offset normal faults that define the accommodation zone and a portion of the Independence Mountains fault zone, which dips beneath the geothermal field. The geothermal system resides in the axial part of the accommodation, straddling the two fault dip domains. The Tuscarora 3D geologic model consists of 10 stratigraphic units. Unconsolidated Quaternary alluvium has eroded down into bedrock units, the youngest and stratigraphically highest bedrock units are middle Miocene rhyolite and dacite flows regionally correlated with the Jarbidge Rhyolite and modeled with uniform cumulative thickness of ~350 m. Underlying these lava flows are Eocene volcanic rocks of the Big Cottonwood Canyon caldera. These units are modeled as intracaldera deposits, including domes, flows, and thick ash deposits that change in thickness and locally pinch out. The Paleozoic basement of consists metasedimenary and metavolcanic rocks, dominated by argillite, siltstone, limestone, quartzite, and metabasalt of the Schoonover and Snow Canyon Formations. Paleozoic formations are lumped in a single basement unit in the model. Fault blocks in the eastern portion of the model are tilted 5-30 degrees toward the Independence Mountains fault zone. Fault blocks in the western portion of the model are tilted toward steeply east-dipping normal faults. These opposing fault block dips define a shallow extensional anticline. Geothermal production is from 4 closely-spaced wells, that exploit a west-dipping, NNE-striking fault zone near the axial part of the accommodation zone.

  4. Supporting Information: GM Giambau et al Ion counting from explicit solvent simulations and 3D-RISM Ion counting from explicit solvent simulations and 3D-RISM

    E-Print Network [OSTI]

    Herschlag, Dan

    Supporting Information: GM Giambau et al Ion counting from explicit solvent simulations and 3D, Stanford University, Stanford, CA 94305 USA; ¶ These authors contributed equally GM Giambau and T Luchko Information: GM Giambau et al Ion counting from explicit solvent simulations and 3D-RISM S02 Numerical

  5. Shear Banding of Complex Fluids

    E-Print Network [OSTI]

    Thibaut Divoux; Marc A. Fardin; Sébastien Manneville; Sandra Lerouge

    2015-03-13

    Even in simple geometries many complex fluids display non-trivial flow fields, with regions where shear is concentrated. The possibility for such shear banding has been known since several decades, but the recent years have seen an upsurge of studies offering an ever more precise understanding of the phenomenon. The development of new techniques to probe the flow on multiple scales and with increasing spatial and temporal resolution has opened the possibility for a synthesis of the many phenomena that could only have been thought of separately before. In this review, we bring together recent research on shear banding in polymeric and on soft glassy materials, and highlight their similarities and disparities.

  6. General Impedance Synthesis Using Simple Switching Converters

    E-Print Network [OSTI]

    Tse, Chi K. "Michael"

    -frequency storage element and a pair of switches, such as the buck, buck-boost and boost converters, as shown in FigGeneral Impedance Synthesis Using Simple Switching Converters Joe C. P. Liu, Chi K. Tse, Franki N converters is studied in this paper. We begin with showing that any impedance can be synthesized by a circuit

  7. Complex Behavior in Switching Power Converters

    E-Print Network [OSTI]

    Tse, Chi K. "Michael"

    Complex Behavior in Switching Power Converters CHI K. TSE, SENIOR MEMBER, IEEE, AND MARIO DI--Bifurcation, chaos, dc­dc converters, nonlinear dy- namics, power electronics, switching power converters. I power devices, control methods, circuit design, computer-aided analysis, passive components, packaging

  8. Predicting porosity in a Saudi Arabian carbonate reservoir using geologic constraints integrated with 3-D seismic and well data

    SciTech Connect (OSTI)

    Jeffery, R.; Thomsen, M. [Saudi Aramco, Dhahran (Saudi Arabia)

    1995-08-01

    A method for predicting lateral changes in reservoir porosity using 3-D seismic Aptitudes, calibrated against the amplitude response versus porosity measured at a select number of wells, was implemented and applied to produce a porosity map of a Saudi Arabian carbonate reservoir. The technique relies on the uniform lithologic seismic response of an overlying anhydrite, and thus assigns variations in amplitudes at the reservoir level to changes in reservoir average porosity. Throughout the study area, reservoir porosity and acoustic impedance logs exhibit a firm linear relationship. As reservoir porosity increases, its acoustic impedance decreases, and the greater contrast with the overlying anhydrite translates into larger seismic amplitudes. Thus, we expect the reservoir`s relative amplitude response to also increase linearly with increasing porosity. A check on this hypothesis was provided by computing synthetic seismograms at several wells, and measuring the reservoir`s theoretical amplitude response versus porosity averaged over the producing zone within the reservoir. This trend supported a linear seismic amplitude to porosity transform. Upon verification of the technique`s applicability, the reservoirs amplitude response was extracted from the 3-D seismic volume in the vicinity of several wells. These were used in conjunction with porosities averaged ever the reservoir to derive the amplitude to porosity transform. This transform was used in converting the mapped reservoir amplitudes into variations in average porosities. The success ratio for predicting porosities in wells not used in the analysis was nearly perfect, and the map continues to correctly predict porosities in subsequently drilled wells.

  9. Auxiliary resonant DC tank converter

    DOE Patents [OSTI]

    Peng, Fang Z. (Knoxville, TN)

    2000-01-01

    An auxiliary resonant dc tank (ARDCT) converter is provided for achieving soft-switching in a power converter. An ARDCT circuit is coupled directly across a dc bus to the inverter to generate a resonant dc bus voltage, including upper and lower resonant capacitors connected in series as a resonant leg, first and second dc tank capacitors connected in series as a tank leg, and an auxiliary resonant circuit comprising a series combination of a resonant inductor and a pair of auxiliary switching devices. The ARDCT circuit further includes first clamping means for holding the resonant dc bus voltage to the dc tank voltage of the tank leg, and second clamping means for clamping the resonant dc bus voltage to zero during a resonant period. The ARDCT circuit resonantly brings the dc bus voltage to zero in order to provide a zero-voltage switching opportunity for the inverter, then quickly rebounds the dc bus voltage back to the dc tank voltage after the inverter changes state. The auxiliary switching devices are turned on and off under zero-current conditions. The ARDCT circuit only absorbs ripples of the inverter dc bus current, thus having less current stress. In addition, since the ARDCT circuit is coupled in parallel with the dc power supply and the inverter for merely assisting soft-switching of the inverter without participating in real dc power transmission and power conversion, malfunction and failure of the tank circuit will not affect the functional operation of the inverter; thus a highly reliable converter system is expected.

  10. DYNA3D/ParaDyn Regression Test Suite Inventory

    SciTech Connect (OSTI)

    Lin, J I

    2011-01-25

    The following table constitutes an initial assessment of feature coverage across the regression test suite used for DYNA3D and ParaDyn. It documents the regression test suite at the time of production release 10.1 in September 2010. The columns of the table represent groupings of functionalities, e.g., material models. Each problem in the test suite is represented by a row in the table. All features exercised by the problem are denoted by a check mark in the corresponding column. The definition of ''feature'' has not been subdivided to its smallest unit of user input, e.g., algorithmic parameters specific to a particular type of contact surface. This represents a judgment to provide code developers and users a reasonable impression of feature coverage without expanding the width of the table by several multiples. All regression testing is run in parallel, typically with eight processors. Many are strictly regression tests acting as a check that the codes continue to produce adequately repeatable results as development unfolds, compilers change and platforms are replaced. A subset of the tests represents true verification problems that have been checked against analytical or other benchmark solutions. Users are welcomed to submit documented problems for inclusion in the test suite, especially if they are heavily exercising, and dependent upon, features that are currently underrepresented.

  11. 3D photospheric velocity field of a Supergranular cell

    E-Print Network [OSTI]

    Dario Del Moro; Silvia Giordano; Francesco Berrilli

    2007-05-23

    We investigate the plasma flow properties inside a Supergranular (SG) cell, in particular its interaction with small scale magnetic field structures. The SG cell has been identified using the magnetic network (CaII wing brightness) as proxy, applying the Two-Level Structure Tracking (TST) to high spatial, spectral and temporal resolution observations obtained by IBIS. The full 3D velocity vector field for the SG has been reconstructed at two different photospheric heights. In order to strengthen our findings, we also computed the mean radial flow of the SG by means of cork tracing. We also studied the behaviour of the horizontal and Line of Sight plasma flow cospatial with cluster of bright CaII structures of magnetic origin to better understand the interaction between photospheric convection and small scale magnetic features. The SG cell we investigated seems to be organized with an almost radial flow from its centre to the border. The large scale divergence structure is probably created by a compact region of constant up-flow close to the cell centre. On the edge of the SG, isolated regions of strong convergent flow are nearby or cospatial with extended clusters of bright CaII wing features forming the knots of the magnetic network.

  12. MPSalsa 3D Simulations of Chemically Reacting Flows

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Many important scientific and engineering applications require a detailed analysis of complex systems with coupled fluid flow, thermal energy transfer, mass transfer and nonequilibrium chemical reactions. Currently, computer simulations of these complex reacting flow problems are limited to idealized systems in one or two spatial dimensions when coupled with a detailed, fundamental chemistry model. The goal of our research is to develop, analyze and implement advanced MP numerical algorithms that will allow high resolution 3D simulations with an equal emphasis on fluid flow and chemical kinetics modeling. In our research, we focus on the development of new, fully coupled, implicit solution strategies that are based on robust MP iterative solution methods (copied from http://www.cs.sandia.gov/CRF/MPSalsa/). These simulations are needed for scientific and technical areas such as: combustion research for transportation, atmospheric chemistry modeling for pollution studies, chemically reacting flow models for analysis and control of manufacturing processes, surface catalytic reactors for methane to methanol conversion and chemical vapor deposition (CVD) process modeling for production of advanced semiconductor materials (http://www.cs.sandia.gov/CRF/MPSalsa/).

    This project website provides six QuickTime videos of these simulations, along with a small image gallery and slideshow animations. A list of related publications and conference presentations is also made available.

  13. 2D/3D registration algorithm for lung brachytherapy

    SciTech Connect (OSTI)

    Zvonarev, P. S.; Farrell, T. J.; Hunter, R.; Wierzbicki, M.; Hayward, J. E.; Sur, R. K.

    2013-02-15

    Purpose: A 2D/3D registration algorithm is proposed for registering orthogonal x-ray images with a diagnostic CT volume for high dose rate (HDR) lung brachytherapy. Methods: The algorithm utilizes a rigid registration model based on a pixel/voxel intensity matching approach. To achieve accurate registration, a robust similarity measure combining normalized mutual information, image gradient, and intensity difference was developed. The algorithm was validated using a simple body and anthropomorphic phantoms. Transfer catheters were placed inside the phantoms to simulate the unique image features observed during treatment. The algorithm sensitivity to various degrees of initial misregistration and to the presence of foreign objects, such as ECG leads, was evaluated. Results: The mean registration error was 2.2 and 1.9 mm for the simple body and anthropomorphic phantoms, respectively. The error was comparable to the interoperator catheter digitization error of 1.6 mm. Preliminary analysis of data acquired from four patients indicated a mean registration error of 4.2 mm. Conclusions: Results obtained using the proposed algorithm are clinically acceptable especially considering the complications normally encountered when imaging during lung HDR brachytherapy.

  14. GPU-accelerated denoising of 3D magnetic resonance images

    SciTech Connect (OSTI)

    Howison, Mark; Wes Bethel, E.

    2014-05-29

    The raw computational power of GPU accelerators enables fast denoising of 3D MR images using bilateral filtering, anisotropic diffusion, and non-local means. In practice, applying these filtering operations requires setting multiple parameters. This study was designed to provide better guidance to practitioners for choosing the most appropriate parameters by answering two questions: what parameters yield the best denoising results in practice? And what tuning is necessary to achieve optimal performance on a modern GPU? To answer the first question, we use two different metrics, mean squared error (MSE) and mean structural similarity (MSSIM), to compare denoising quality against a reference image. Surprisingly, the best improvement in structural similarity with the bilateral filter is achieved with a small stencil size that lies within the range of real-time execution on an NVIDIA Tesla M2050 GPU. Moreover, inappropriate choices for parameters, especially scaling parameters, can yield very poor denoising performance. To answer the second question, we perform an autotuning study to empirically determine optimal memory tiling on the GPU. The variation in these results suggests that such tuning is an essential step in achieving real-time performance. These results have important implications for the real-time application of denoising to MR images in clinical settings that require fast turn-around times.

  15. Simulated Photoevaporative Mass Loss from Hot Jupiters in 3D

    E-Print Network [OSTI]

    Tripathi, Anjali; Murray-Clay, Ruth A; Krumholz, Mark R

    2015-01-01

    Ionizing stellar photons heat the upper regions of planetary atmospheres, driving atmospheric mass loss. Gas escaping from several hot, hydrogen-rich planets has been detected using UV and X-ray transmission spectroscopy. Because these planets are tidally locked, and thus asymmetrically irradiated, escaping gas is unlikely to be spherically symmetric. In this paper, we focus on the effects of asymmetric heating on local outflow structure. We use the Athena code for hydrodynamics to produce 3D simulations of hot Jupiter mass loss that jointly model wind launching and stellar heating via photoionization. Our fiducial planet is an inflated, hot Jupiter with radius $R_p=2.14 R_{\\rm Jup}$ and mass $M_p = 0.53 M_{\\rm Jup}$. We irradiate the initially neutral, atomic hydrogen atmosphere with 13.6 eV photons and compute the outflow's ionization structure. There are clear asymmetries in the atmospheric outflow, including a neutral shadow on the planet's nightside. Given an incident ionizing UV flux comparable to that ...

  16. 3-D Finite Element Analyses of the Egan Cavern Field

    SciTech Connect (OSTI)

    Klamerus, E.W.; Ehgartner, B.L.

    1999-02-01

    Three-dimensional finite element analyses were performed for the two gas-filled storage caverns at the Egan field, Jennings dome, Louisiana. The effects of cavern enlargement on surface subsidence, storage loss, and cavern stability were investigated. The finite element model simulated the leaching of caverns to 6 and 8 billion cubic feet (BCF) and examined their performance at various operating conditions. Operating pressures varied from 0.15 psi/ft to 0.9 psi/ft at the bottom of the lowest cemented casing. The analysis also examined the stability of the web or pillar of salt between the caverns under differential pressure loadings. The 50-year simulations were performed using JAC3D, a three dimensional finite element analysis code for nonlinear quasistatic solids. A damage criterion based on onset of dilatancy was used to evaluate cavern instability. Dilation results from the development of microfractures in salt and, hence, potential increases in permeability onset occurs well before large scale failure. The analyses predicted stable caverns throughout the 50-year period for the range of pressures investigated. Some localized salt damage was predicted near the bottom walls of the caverns if the caverns are operated at minimum pressure for long periods of time. Volumetric cavern closures over time due to creep were moderate to excessive depending on the salt creep properties and operating pressures. However, subsidence above the cavern field was small and should pose no problem, to surface facilities.

  17. Enterprise converting buses to biodiesel

    Broader source: Energy.gov [DOE]

    Rental car customers may be able to breathe a little easier during their next trip to the airport. Alamo Rent A Car, Enterprise Rent-A-Car, and National Car Rental, all brands operated by the subsidiaries of Enterprise Holdings, are converting their airport shuttle buses to run on biodiesel fuel. The move is a good one for the environment, and will ultimately reduce the company’s carbon emissions. “We are saving 420,000 gallons of petroleum diesel,”  says Lee Broughton, director of corporate identity and sustainability for Enterprise Holdings.    

  18. Converting Energy to Medical Progress

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submit the followingConcentratingPortal ControllingConvection feedbacksConverting

  19. Ranking on Cross Domain Manifold forRanking on Cross-Domain Manifold for Sketch-based 3D model Retrieval

    E-Print Network [OSTI]

    Ohbuchi, Ryutarou

    printers,... ­ User generated. T i bl 3D h· Trimble 3D warehouse... 3D model retrieval is essential scanners, 3D printers,... ­ User generated. T i bl 3D h· Trimble 3D warehouse... 3D model retrievalRanking on Cross Domain Manifold forRanking on Cross-Domain Manifold for Sketch-based 3D model

  20. Multiple Shear Key Connections for Precast

    E-Print Network [OSTI]

    for elevator shaft shear wall panelsOne of the main concerns in precast 104 #12;utilize a combination elevator shaft shear wall panels. The tests results were used to develop analytical models to predict the shear Synopsis Seven horizontal connections typi- cally used in precast concrete elevator shaft shear

  1. Sandia Energy - WEC-Sim (Wave Energy Converter SIMulator)

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    WEC-Sim (Wave Energy Converter SIMulator) Home Stationary Power Energy Conversion Efficiency Water Power WEC-Sim (Wave Energy Converter SIMulator) WEC-Sim (Wave Energy Converter...

  2. Galaxy Clustering in 3D and Modified Gravity Theories

    E-Print Network [OSTI]

    Dipak Munshi; Geraint Pratten; Patrick Valageas; Peter Coles; Philippe Brax

    2015-08-03

    We study Modified Gravity (MG) theories by modelling the redshifted matter power spectrum in a spherical Fourier-Bessel (sFB) basis. We use a fully non-linear description of the real-space matter power-spectrum and include the lowest-order redshift-space correction (Kaiser effect), taking into account some additional non-linear contributions. Ignoring relativistic corrections, which are not expected to play an important role for a shallow survey, we analyse two different modified gravity scenarios, namely the generalised Dilaton scalar-tensor theories and the $f({R})$ models in the large curvature regime. We compute the 3D power spectrum ${\\cal C}^s_{\\ell}(k_1,k_2)$ for various such MG theories with and without redshift space distortions, assuming precise knowledge of background cosmological parameters. Using an all-sky spectroscopic survey with Gaussian selection function $\\varphi(r)\\propto \\exp(-{r^2 / r^2_0})$, $r_0 = 150 \\, h^{-1} \\, {\\textrm{Mpc}}$, and number density of galaxies $\\bar {\\textrm{N}} =10^{-4}\\;{\\textrm{Mpc}}^{-3}$, we use a $\\chi^2$ analysis, and find that the lower-order $(\\ell \\leq 25)$ multipoles of ${\\cal C}^s_\\ell(k,k')$ (with radial modes restricted to $k 25$ modes can further reduce the error bars and thus in principle make cosmological gravity constraints competitive with solar system tests. However this will require an accurate modelling of non-linear redshift space distortions. Using a tomographic $\\beta(a)$-$m(a)$ parameterization we also derive constraints on specific parameters describing the Dilaton models of modified gravity.

  3. 3D electromagnetic inversion for environmental site characterization

    SciTech Connect (OSTI)

    Alumbaugh, D.L.; Newman, G.A.

    1997-04-01

    A 3-D non-linear electromagnetic inversion scheme has been developed to produce images of subsurface conductivity structure from electromagnetic geophysical data. The solution is obtained by successive linearized model updates where full forward modeling is employed at each iteration to compute model sensitivities and predicted data. Regularization is applied to the problem to provide stability. Because the inverse part of the problem requires the solution of 10`s to 100`s of thousands of unknowns, and because each inverse iteration requires many forward models to be computed, the code has been implemented on massively parallel computer platforms. The use of the inversion code to image environmental sites is demonstrated on a data set collected with the Apex Parametrics {open_quote}MaxMin I-8S{close_quote} over a section of stacked barrels and metal filled boxes at the Idaho National Laboratory`s {open_quote}Cold Test Pit{close_quote}. The MaxMin is a loop-loop frequency domain system which operates from 440 Hz up to 56 kHz using various coil separations; for this survey coil separations of 15, 30 and 60 feet were employed. The out-of phase data are shown to be of very good quality while the in-phase are rather noisy due to slight mispositioning errors, which cause improper cancellation of the primary free space field in the receiver. Weighting the data appropriately by the estimated noise and applying the inversion scheme is demonstrated to better define the structure of the pit. In addition, comparisons are given for single coil separations and multiple separations to show the benefits of using multiple offset data.

  4. Classifying Supersymmetric Solutions in 3D Maximal Supergravity

    E-Print Network [OSTI]

    Jan de Boer; Daniel R. Mayerson; Masaki Shigemori

    2014-11-18

    String theory contains various extended objects. Among those, objects of codimension two (such as the D7-brane) are particularly interesting. Codimension two objects carry non-Abelian charges which are elements of a discrete U-duality group and they may not admit a simple space-time description, in which case they are known as exotic branes. A complete classification of consistent codimension two objects in string theory is missing, even if we demand that they preserve some supersymmetry. As a step toward such a classification, we study the supersymmetric solutions of 3D maximal supergravity, which can be regarded as approximate description of the geometry near codimension two objects. We present a complete classification of the types of supersymmetric solutions that exist in this theory. We found that this problem reduces to that of classifying nilpotent orbits associated with the U-duality group, for which various mathematical results are known. We show that the only allowed supersymmetric configurations are 1/2, 1/4, 1/8, and 1/16 BPS, and determine the nilpotent orbits that they correspond to. One example of 1/16 BPS configurations is a generalization of the MSW system, where momentum runs along the intersection of seven M5-branes. On the other hand, it turns out exceedingly difficult to translate this classification into a simple criterion for supersymmetry in terms of the non-Abelian (monodromy) charges of the objects. For example, it can happen that a supersymmetric solution exists locally but cannot be extended all the way to the location of the object. To illustrate the various issues that arise in constructing supersymmetric solutions, we present a number of explicit examples.

  5. Estimation of shear-wave interval attenuation from mode-converted data Bharath Shekar1

    E-Print Network [OSTI]

    Tsvankin, Ilya

    Tsvankin1 ABSTRACT Interval attenuation measurements provide valuable infor- mation for reservoir characterization and lithology discrimi- nation. We extend the attenuation layer-stripping method of Behura of the material (Prasad and Nur, 2003), the pre- sence of aligned fluid-filled fractures (Chapman, 2003; Batzle et

  6. [12.7.20044:01pm] [101114] [Page No. 101] {Eserial}4393-van-Pelt/3d/vanPelt-tx08.3d Van Pelt

    E-Print Network [OSTI]

    Stryker, Michael

    . Prog Brain Res.147:103-114. Corrections indicated in red. #12;[12.7.2004­4:01pm] [101­114] [Page No[12.7.2004­4:01pm] [101­114] [Page No. 101] {Eserial}4393-van-Pelt/3d/vanPelt-tx08.3d Van Pelt U N Research, Vol. 147 ISSN 0079-6123 Copyright ß 2005 Elsevier BV. All rights reserved CHAPTER 8 Molecular

  7. A simple backprojection algorithm for 3D in vivo EPID dosimetry of IMRT treatments

    SciTech Connect (OSTI)

    Wendling, Markus; McDermott, Leah N.; Mans, Anton; Sonke, Jan-Jakob; Herk, Marcel van; Mijnheer, Ben J. [Department of Radiation Oncology, Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX Amsterdam (Netherlands)

    2009-07-15

    Treatment plans are usually designed, optimized, and evaluated based on the total 3D dose distribution, motivating a total 3D dose verification. The purpose of this study was to develop a 2D transmission-dosimetry method using an electronic portal imaging device (EPID) into a simple 3D method that provides 3D dose information. In the new method, the dose is reconstructed within the patient volume in multiple planes parallel to the EPID for each gantry angle. By summing the 3D dose grids of all beams, the 3D dose distribution for the total treatment fraction is obtained. The algorithm uses patient contours from the planning CT scan but does not include tissue inhomogeneity corrections. The 3D EPID dosimetry method was tested for IMRT fractions of a prostate, a rectum, and a head-and-neck cancer patient. Planned and in vivo-measured dose distributions were within 2% at the dose prescription point. Within the 50% isodose surface of the prescribed dose, at least 97% of points were in agreement, evaluated with a 3D {gamma} method with criteria of 3% of the prescribed dose and 0.3 cm. Full 3D dose reconstruction on a 0.1x0.1x0.1 cm{sup 3} grid and 3D {gamma} evaluation took less than 15 min for one fraction on a standard PC. The method allows in vivo determination of 3D dose-volume parameters that are common in clinical practice. The authors conclude that their EPID dosimetry method is an accurate and fast tool for in vivo dose verification of IMRT plans in 3D. Their approach is independent of the treatment planning system and provides a practical safety net for radiotherapy.

  8. Ocean floor mounting of wave energy converters

    DOE Patents [OSTI]

    Siegel, Stefan G

    2015-01-20

    A system for mounting a set of wave energy converters in the ocean includes a pole attached to a floor of an ocean and a slider mounted on the pole in a manner that permits the slider to move vertically along the pole and rotate about the pole. The wave energy converters can then be mounted on the slider to allow adjustment of the depth and orientation of the wave energy converters.

  9. Next steps in understanding the asymptotics of $3d$ quantum gravity

    E-Print Network [OSTI]

    Maria Simonetta Bernabei; Horst Thaler

    2014-12-10

    Based on a combinatorial approach and random matrix theory, we show a central limit theorem that gives important insight into causally triangulated $3d$ quantum gravity.

  10. Painting by numbersPrinting paintings in 3D Timo de Rijk

    E-Print Network [OSTI]

    Lindken, Ralph

    Delft #12;2 Nuna7 wins again 16 Less heat loss thanks to Organic Rankine Cycle 3D reproduction of paintings

  11. 3-D Seismic Methods for Geothermal Reservoir Exploration and Assessment--Summary

    E-Print Network [OSTI]

    Majer, E.L.

    2003-01-01

    3-D Seismic Methods For Geothermal Reservoir Exploration andseismic imaging which will increase the efficiency of explorationexploration and are early drilling 1. Surface studies (a) Reflection seismic.

  12. Next Generation Lunch: Revealing the World’s First 3D Printed Car (text version)

    Office of Energy Efficiency and Renewable Energy (EERE)

    Below is the text version for the Next Generation Lunch: Revealing the World’s First 3D Printed Car Video.

  13. A 3D-3C Reflection Seismic Survey and Data Integration to Identify...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Summary: Understanding geothermal reservoirs requires multi-discipline, integrated 3D GIS: Access down hole geophysical logs, surface geophysics, isotherms, isoresistivity...

  14. Full Core, Heterogeneous, Time Dependent Neutron Transport Calculations with the 3D Code DeCART

    E-Print Network [OSTI]

    Hursin, Mathieu

    2010-01-01

    3-D Full Core Boiling Water Reactor Applications. NuclearPWR) rod-ejection and Boiling Water Reactor (BWR) rod-drop

  15. Low-cost, Efficient, Flexible Solar Cells with 3D Nanopillar...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Fan at Berkeley Lab have invented a method for growing highly regular, single-crystalline nanopillar arrays of optically active semiconductors to produce efficient, 3D solar...

  16. Fabrication of 3D high aspect ratio PDMS microfluidic networks with a hybrid stamp

    E-Print Network [OSTI]

    Kung, YC; Huang, KW; Fan, YJ; Fan, YJ; Chiou, PY

    2015-01-01

    Three dimensional microfluidics with embedded microballoptofluidics, inertial microfluidics, and other fields whereulation and control. 3D microfluidics is one of the future

  17. An Efficient Algorithm for Mapping Imaging Data to 3D Unstructured...

    Office of Scientific and Technical Information (OSTI)

    Algorithm for Mapping Imaging Data to 3D Unstructured Grids in Computational Biomechanics Citation Details In-Document Search Title: An Efficient Algorithm for Mapping...

  18. qp: A Tool for Generating 3D Models of Ancient Greek Pottery A. Koutsoudis1

    E-Print Network [OSTI]

    Chamzas, Christodoulos

    , as it may lead to the physical replication of the object by means of 3D printing [6]. This has become clear

  19. 3D GRMHD and GRPIC Simulations of Disk-Jet Coupling and Emission

    SciTech Connect (OSTI)

    Nishikawa, Ken-Ichi; Mizuno, Y.; /USRA, Huntsville; Watson, M.; /Fisk U.; Hardee, P.; /Alabama U.; Fuerst, S.; /KIPAC, Menlo Park; Wu, K.; /Mullard Space Sci. Lab.; Fishman,; /NASA, Marshall

    2006-12-19

    We investigate jet formation in black-hole systems using 3-D General Relativistic Particle-In-Cell (GRPIC) and 3-D GRMHD simulations. GRPIC simulations, which allow charge separations in a collisionless plasma, do not need to invoke the frozen condition as in GRMHD simulations. 3-D GRPIC simulations show that jets are launched from Kerr black holes as in 3-D GRMHD simulations, but jet formation in the two cases may not be identical. Comparative study of black hole systems with GRPIC and GRMHD simulations with the inclusion of radiate transfer will further clarify the mechanisms that drive the evolution of disk-jet systems.

  20. Investigating the Accuracy and Reproducibility of 3dMDface System for Soft Tissue Analysis

    E-Print Network [OSTI]

    Kachroo, Yasir M.

    2015-01-01

    of 2D anthropometry …………………………………. …………………..8 Futureis a form of “indirect” anthropometry, 3D images can beof 2D imaging and anthropometry Craniofacial anthropometry

  1. ORNL Unveils 3D-Printed Home and Vehicle with the Unique Ability...

    Office of Environmental Management (EM)

    (ORNL) announced successful efforts of the the lab's Additive Manufacturing Integrated Energy (AMIE) demonstration. The nine-month project reached its goal of 3D-printing an...

  2. MT3D: a 3 dimensional magnetotelluric modeling program (user's guide and documentation for Rev. 1)

    SciTech Connect (OSTI)

    Nutter, C.; Wannamaker, P.E.

    1980-11-01

    MT3D.REV1 is a non-interactive computer program written in FORTRAN to do 3-dimensional magnetotelluric modeling. A 3-D volume integral equation has been adapted to simulate the MT response of a 3D body in the earth. An integro-difference scheme has been incorporated to increase the accuracy. This is a user's guide for MT3D.REV1 on the University of Utah Research Institute's (UURI) PRIME 400 computer operating under PRIMOS IV, Rev. 17.

  3. Vacuum-insulated catalytic converter

    DOE Patents [OSTI]

    Benson, David K. (Golden, CO)

    2001-01-01

    A catalytic converter has an inner canister that contains catalyst-coated substrates and an outer canister that encloses an annular, variable vacuum insulation chamber surrounding the inner canister. An annular tank containing phase-change material for heat storage and release is positioned in the variable vacuum insulation chamber a distance spaced part from the inner canister. A reversible hydrogen getter in the variable vacuum insulation chamber, preferably on a surface of the heat storage tank, releases hydrogen into the variable vacuum insulation chamber to conduct heat when the phase-change material is hot and absorbs the hydrogen to limit heat transfer to radiation when the phase-change material is cool. A porous zeolite trap in the inner canister absorbs and retains hydrocarbons from the exhaust gases when the catalyst-coated substrates and zeolite trap are cold and releases the hydrocarbons for reaction on the catalyst-coated substrate when the zeolite trap and catalyst-coated substrate get hot.

  4. Controller for a wave energy converter

    DOE Patents [OSTI]

    Wilson, David G.; Bull, Diana L.; Robinett, III, Rush D.

    2015-09-22

    A wave energy converter (WEC) is described, the WEC including a power take off (PTO) that converts relative motion of bodies of the WEC into electrical energy. A controller controls operation of the PTO, causing the PTO to act as a motor to widen a wave frequency spectrum that is usable to generate electrical energy.

  5. RF digital-to-analog converter

    DOE Patents [OSTI]

    Conway, Patrick H. (Rancho Palos Verdes, CA); Yu, David U. L. (Rancho Palos Verdes, CA)

    1995-01-01

    A digital-to analogue converter for producing an RF output signal proportional to a digital input word of N bits from an RF reference input, N being an integer greater or equal to 2. The converter comprises a plurality of power splitters, power combiners and a plurality of mixers or RF switches connected in a predetermined configuration.

  6. RF digital-to-analog converter

    DOE Patents [OSTI]

    Conway, P.H.; Yu, D.U.L.

    1995-02-28

    A digital-to-analog converter is disclosed for producing an RF output signal proportional to a digital input word of N bits from an RF reference input, N being an integer greater or equal to 2. The converter comprises a plurality of power splitters, power combiners and a plurality of mixers or RF switches connected in a predetermined configuration. 18 figs.

  7. Time interleaved counter analog to digital converters 

    E-Print Network [OSTI]

    Danesh, Seyed Amir Ali

    2011-11-22

    The work explores extending time interleaving in A/D converters, by applying a high-level of parallelism to one of the slowest and simplest types of data-converters, the counter ADC. The motivation for the work is to ...

  8. For additional information, please e-mail ctsc_noveltech@med.cornell.edu REQUEST FOR CTSC 3D PRINTING APPLICATIONS

    E-Print Network [OSTI]

    Chen, Tsuhan

    for commercialization 3D Printing Novel Technology Award $10,000 (direct costs) with use of the New CTSC 3D Printing with 3D printing technology in order to rapidly develop novel biomedical products with application) and importance of funding to feasibility of the project Research Plan (use of the CTSC 3D Printing Core Facility

  9. MultiFab : a multi-material 3D printing platform

    E-Print Network [OSTI]

    Ramos-Maltés, Javier Eduardo

    2014-01-01

    This thesis presents the development of MultiFab, a multi-material 3D printing architecture that is high-resolution, scalable, and low-cost. MultiFab enables the 3D printing of parts with materials that interact optically ...

  10. 3D electroplated microstructures fabricated by a novel height control method

    E-Print Network [OSTI]

    Lin, Liwei

    is coated and patterned to open the designated areas for electroplating. Nickel electroplating is performed3D electroplated microstructures fabricated by a novel height control method L.-W. Pan, P. Yuen, L. Lin Abstract A 3D electroplating process by means of pixel- wise, step height control of selective

  11. 3D Harmonic Mapping and Tetrahedral Meshing of Brain Imaging Data

    E-Print Network [OSTI]

    Thompson, Paul

    3D Harmonic Mapping and Tetrahedral Meshing of Brain Imaging Data Yalin Wang1 , Xianfeng Gu2 , Paul algorithm finds a harmonic map from a 3-manifold to a 3D solid sphere and the second is a novel sphere of magnetic resonance images (MRI). A heat flow method is used to solve the volumetric harmonic mapping

  12. Capacity of a 3-D multi-layer optical data storage system , Edwin P. Walkera

    E-Print Network [OSTI]

    Esener, Sadik C.

    Capacity of a 3-D multi-layer optical data storage system Yi Zhanga* , Edwin P. Walkera , Wenyi) Emcore Fiber Optics Components, 1600 Eubank Blvd. SE, Albuquerque, NM 87123 ABSTRACT Storage capacity of a 3-D multi-layer optical data storage system is analyzed. Theoretical analysis of recorded bit size

  13. Numerical aperture influence on 3-D multi-layer optical data storage systems , Edwin P. Walkera

    E-Print Network [OSTI]

    Esener, Sadik C.

    Numerical aperture influence on 3-D multi-layer optical data storage systems Yi Zhanga* , Edwin P storage system is analyzed. Keywords: NA, multi-layer data storage, two-photon recording, capacity) 550-0596, Fax: (858) 550-0917 #12;Numerical aperture influence on 3-D multi-layer optical data storage

  14. Gravity observations and 3D structure of the Earth , F. Chambat

    E-Print Network [OSTI]

    1 Gravity observations and 3D structure of the Earth Y. Ricard1 , F. Chambat Laboratoire des, Michigan-Ann Harbor University, USA. Short title: GRAVITY OBSERVATIONS AND 3D STRUCTURE OF THE EARTH 1. The determination of Earth's gravity field has benefited from various gravity missions that have been launched

  15. 3DString: A Feature String Kernel for 3D Object Classification on Voxelized Data

    E-Print Network [OSTI]

    Kriegel, Hans-Peter

    3DString: A Feature String Kernel for 3D Object Classification on Voxelized Data Johannes AÃ?falg-Maximilians-University Munich, Germany {assfalg|kb|kriegel}@dbs.ifi.lmu.de ABSTRACT Classification of 3D objects remains which allows to combine it with an M-tree for handling of large volumes of data. Classification

  16. SUPERVISED AND UNSUPERVISED MRF BASED 3D SCENE CLASSIFICATION IN MULTIPLE VIEW

    E-Print Network [OSTI]

    SUPERVISED AND UNSUPERVISED MRF BASED 3D SCENE CLASSIFICATION IN MULTIPLE VIEW AIRBORNE OBLIQUE Classification in 3D object space Basic idea Supervised approach Unsupervised approah Experiments: data and results Discussion CONTENTS #12; State-of-the-Art digital camera hardware and processing stimuate

  17. Surface Drawing: Creating Organic 3D Shapes with the Hand and Tangible Tools

    E-Print Network [OSTI]

    Surface Drawing: Creating Organic 3D Shapes with the Hand and Tangible Tools Steven Schkolne organic 3D shapes in a manner which supports the needs and interests of artists. This medium facilitates such as line drawing and painting, Surface Drawing lets users construct shapes through repeated mark- ing

  18. Visualizing Cells and their Connectivity Graphs for CompuCell3D Randy Heiland

    E-Print Network [OSTI]

    Indiana University

    Visualizing Cells and their Connectivity Graphs for CompuCell3D Randy Heiland CREST, Pervasive models that simulate the behavior of different types of interacting biological cells can be a very time consuming and er- ror prone task. CompuCell3D is an open source application that addresses this challenge

  19. Tolerance Analysis of 2-D and 3-D Mechanical Assemblies with Small Kinematic Adjustments

    E-Print Network [OSTI]

    Tolerance Analysis of 2-D and 3-D Mechanical Assemblies with Small Kinematic Adjustments Kenneth W. Chase Spencer P. Magleby Department of Mechanical Engineering Brigham Young University Provo, Utah the Direct Linearization Method (DLM), is presented for tolerance analysis of 2-D and 3-D mechanical

  20. Parallax Photography: Creating 3D Cinematic Effects from Stills Ke Colin Zheng

    E-Print Network [OSTI]

    O'Brien, James F.

    Parallax Photography: Creating 3D Cinematic Effects from Stills Ke Colin Zheng University field with extracted depth information into a cinematic effect with sim- ulated, smooth camera motion that exhibits a sense of 3D parallax. We develop a taxonomy of the cinematic conventions of these ef- fects

  1. LASER SCANNING AND NOISE REDUCTION APPLIED TO 3D ROAD SURFACE ANALYSIS

    E-Print Network [OSTI]

    LASER SCANNING AND NOISE REDUCTION APPLIED TO 3D ROAD SURFACE ANALYSIS Thorsten Schulz and Hilmar, EAWAG Email: michele.steiner@eawag.ch Abstract: Terrestrial laser scanning was applied to acquire 3D the catchment area of a road with respect to a pilot plant. As laser scanning requires only a few minutes

  2. FishTank Fitts: A Desktop VR Testbed for Evaluating 3D Pointing Techniques

    E-Print Network [OSTI]

    Stürzlinger, Wolfgang

    FishTank Fitts: A Desktop VR Testbed for Evaluating 3D Pointing Techniques Abstract We present a desktop or "fish tank" virtual reality system for evaluating 3D selection techniques. Motivated version of the ISO 9241-9 pointing task. Targets can be displayed stereoscopically, with head

  3. Kirchhoff prestack depth migration in 3-D models: Comparison of triclinic anisotropy

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    Kirchhoff prestack depth migration in 3-D models: Comparison of triclinic anisotropy with simpler the Kirchhoff prestack depth migration to the calculation of migrated sections in 3-D simple anisotropic. We test Kirchhoff prestack depth migration in velocity models with different types of anisotropy

  4. Stereopsis and 3D Surface Perception by Spiking Neurons in Laminar Cortical Circuits

    E-Print Network [OSTI]

    Grossberg, Stephen

    Stereopsis and 3D Surface Perception by Spiking Neurons in Laminar Cortical Circuits: A Method, USA Running title: Spiking laminar cortical model of depth perception Neural Networks, in pressNAPSE program of DARPA (HR0011-09-C- 0001). #12;2 Abstract A laminar cortical model of stereopsis and 3D surface

  5. INCORPORATING GEOMETRIC FEATURE VARIATION WITH KINEMATIC TOLERANCE ANALYSIS OF 3D ASSEMBLIES

    E-Print Network [OSTI]

    - wide user base. In an effort to greatly increase the proportion of companies with variation analysisINCORPORATING GEOMETRIC FEATURE VARIATION WITH KINEMATIC TOLERANCE ANALYSIS OF 3D ASSEMBLIES VARIATION WITH KINEMATIC TOLERANCE ANALYSIS OF 3D ASSEMBLIES Jeffrey G. Dabling Department of Mechanical

  6. 3D Systems Packaging Research Center AN INDUSTRY-ACADEMIA CONSORTIUM

    E-Print Network [OSTI]

    Li, Mo

    3D Systems Packaging Research Center AN INDUSTRY-ACADEMIA CONSORTIUM 3D Systems Packaging Research.prc.gatech.edu · prcinfo@ece.gatech.edu 60GHz Design and Test Methods for Packaging of 60 GHz Front-End Modules A worldwide for the implementation of the mm-wave front- end. However, little work has been done on the components and packaging side

  7. 3D Systems Packaging Research Center DELIVERING BREAKTHROUGH IDEAS TO INDUSTRY

    E-Print Network [OSTI]

    Li, Mo

    3D Systems Packaging Research Center DELIVERING BREAKTHROUGH IDEAS TO INDUSTRY 3D Systems Packaging and Packages What ·Low-costandhighperformanceglassandsiliconinterposerswith 10x higher I/Os than organic packages at 2-10x lower cost per mm2 than wafer Si interposers for smart mobile and industrial

  8. 3D Systems Packaging Research Center DELIVERING BREAKTHROUGH IDEAS TO INDUSTRY

    E-Print Network [OSTI]

    Li, Mo

    3D Systems Packaging Research Center DELIVERING BREAKTHROUGH IDEAS TO INDUSTRY 3D Systems Packaging and IPDs, highly- miniaturized fine-pitch chip-to-package and package-to- packageinterconnections ·Ultra-fine pitch die-to-package Cu-Cu interconnections and assembly ·EmbeddedthinIPDs Previous Major

  9. LONGITUDINAL MULTIPLE SCLEROSIS LESION SEGMENTATION USING 3D CONVOLUTIONAL NEURAL NETWORKS

    E-Print Network [OSTI]

    Ramanathan, M.

    LONGITUDINAL MULTIPLE SCLEROSIS LESION SEGMENTATION USING 3D CONVOLUTIONAL NEURAL NETWORKS Suthirth with dice scores comparable to the inter-rater variability. Index Terms-- Multiple Sclerosis, 3D Convolutional Neural Networks, Deep Learning, Neuroimaging 1. INTRODUCTION Multiple Sclerosis (MS) is a chronic

  10. Collapsible 3D GIS Visualization Suwen Wang, Robert R. Beiko, Stephen Brooks

    E-Print Network [OSTI]

    Brooks, Stephen

    Collapsible 3D GIS Visualization Suwen Wang, Robert R. Beiko, Stephen Brooks Dalhousie University. Introduction As an essential component of GIS systems, visualization helps the user comprehend and analyze and workstations, 3D rendering has become widespread which has allowed GIS visualization research to explore

  11. DOI: 10.1002/adma.200600769 Introducing Defects in 3D Photonic Crystals

    E-Print Network [OSTI]

    Braun, Paul

    in all directions, a 3D PhC with an omnidirec- tional, or complete PBG (cPBG) is required. cPBG materials. Additionally, cPBG structures must be fabricated from optically transparent materials with a high dielectric. Because of the materials restrictions and stringent 3D fabrication requirements, there are only a small

  12. Assembly and Functionalization of 3D Photonic Crystals X. Yu, P.V. Braun

    E-Print Network [OSTI]

    Braun, Paul

    Assembly and Functionalization of 3D Photonic Crystals X. Yu, P.V. Braun Department of Materials manipulation, and DNA-directed assembly as pathways to complex 3D structures. INTRODUCTION Metallic photonic to such structures in an efficient fashion, be this introduction of aperiodic features such as optical cavities

  13. FABRICATION AND CHARACTERIZATION OF 3-D ALL POLYMER FLEXIBLE SOLAR CELL

    E-Print Network [OSTI]

    Kassegne, Samuel Kinde

    FABRICATION AND CHARACTERIZATION OF 3-D ALL POLYMER FLEXIBLE SOLAR CELL _______________ A Thesis and Characterization of 3-D All Polymer Flexible Solar Cell by Krishna Ashwinbhai Desai Master of Science in Mechanical (Polyethylene terephthalate) as a flexible substrate, a potentially wearable organic solar cell is enabled

  14. A 3-D Photo Forensic Analysis of the Lee Harvey Oswald Backyard Photo

    E-Print Network [OSTI]

    Bucci, David J.

    A 3-D Photo Forensic Analysis of the Lee Harvey Oswald Backyard Photo Hany Farid Department of the Oswald photos to determine if such claims of tampering are warranted. Keywords: Photo Forensics, 3-D Photo Analysis 1. Introduction United States President John F. Kennedy was assassinated on Novem- ber 22

  15. A 3-D STABILITY ANALYSIS OF LEE HARVEY OSWALD IN THE BACKYARD PHOTO

    E-Print Network [OSTI]

    Bucci, David J.

    A 3-D STABILITY ANALYSIS OF LEE HARVEY OSWALD IN THE BACKYARD PHOTO Srivamshi Pittala, Emily Kennedy. Despite the long passage of time, it is still argued that the famous backyard photo of Oswald others, that Oswald's pose in the photo is physically implausible. We describe a detailed 3-D stability

  16. Detection and extraction of fault surfaces in 3D seismic data Israel Cohen1

    E-Print Network [OSTI]

    Cohen, Israel

    for seismic interpretation. INTRODUCTION Fault surfaces are common subterranean structures that are asso that are unrelated to faults. Furthermore, creating a consistent geological interpretation from large 3D-seismicDetection and extraction of fault surfaces in 3D seismic data Israel Cohen1 , Nicholas Coult2

  17. You are here: Home / News / 3D view of 1D nanostructures More services

    E-Print Network [OSTI]

    Espinosa, Horacio D.

    create tool to put the lid on solar power fluctuations Variability law for solar panels News 3D view of 1You are here: Home / News / 3D view of 1D nanostructures Share More services Related Links of nanogenerators based on GaN nanowires, for powering of self-powered nanodevices. This story is reprinted from

  18. On the transition between 2D and 3D dunes JEREMY G. VENDITTI*1

    E-Print Network [OSTI]

    Venditti, Jeremy G.

    On the transition between 2D and 3D dunes JEREMY G. VENDITTI*1 , MICHAEL CHURCH* and SEAN J the processes that transform the bed configuration from two-dimensional (2D) dunes to three- dimensional (3D) dunes. A narrowly graded, 500 lm size sand was subjected to a 0Æ15 m deep, non-varying mean flow ranging

  19. Reconstructing Plants in 3D from a Single Image using Analysis-by-Synthesis

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    from images. However, due to high complexity of plant topology, dedicated methods for generating 3D plant models must be devised. We propose to generate a 3D model of a plant, using an analysis of the generative model (main branching structure of the plant and foliage), we produce a series of candidate models

  20. Measuring 3D Plant Growth Using Optical Flow J.L. Barron A. Liptay

    E-Print Network [OSTI]

    Barron, John

    1 Measuring 3D Plant Growth Using Optical Flow J.L. Barron A. Liptay Dept. of Computer Science is presented for measuring 3D plant growth using the optical flow computed on an image sequence of a growing made by projecting the plant's orthogonal image onto a mirror oriented at 45 ffi with respect

  1. A High-Resolution Spontaneous 3D Dynamic Facial Expression Database

    E-Print Network [OSTI]

    Cohn, Jeffrey F.

    A High-Resolution Spontaneous 3D Dynamic Facial Expression Database Xing Zhang1 , Lijun Yin1 to address. Most publically available databases are limited to 2D static images or video of posed facial video archives are needed. We present a newly developed 3D video database of spontaneous facial

  2. 3D MEMS Simulation Modeling Using Modified Nodal Analysis J. V. Clark, N. Zhou, D. Bindel,

    E-Print Network [OSTI]

    California at Berkeley, University of

    3D MEMS Simulation Modeling Using Modified Nodal Analysis J. V. Clark, N. Zhou, D. Bindel, L, and experimental verification of several MEMS devices are presented. Simulated results include 3D mode analysis. To simulate the performance of these MEMS devices a modified nodal analysis approach is used to formulate

  3. 3D hydrodynamical and radiative transfer modeling of Eta Carinae's colliding winds

    E-Print Network [OSTI]

    Madura, Thomas I; Gull, Theodore R; Kruip, Chael J H; Paardekooper, Jan-Pieter; Icke, Vincent

    2015-01-01

    We present results of full 3D hydrodynamical and radiative transfer simulations of the colliding stellar winds in the massive binary system Eta Carinae. We accomplish this by applying the SimpleX algorithm for 3D radiative transfer on an unstructured Voronoi-Delaunay grid to recent 3D smoothed particle hydrodynamics (SPH) simulations of the binary colliding winds. We use SimpleX to obtain detailed ionization fractions of hydrogen and helium, in 3D, at the resolution of the original SPH simulations. We investigate several computational domain sizes and Luminous Blue Variable primary star mass-loss rates. We furthermore present new methods of visualizing and interacting with output from complex 3D numerical simulations, including 3D interactive graphics and 3D printing. While we initially focus on Eta Car, the methods employed can be applied to numerous other colliding wind (WR 140, WR 137, WR 19) and dusty 'pinwheel' (WR 104, WR 98a) binary systems. Coupled with 3D hydrodynamical simulations, SimpleX simulatio...

  4. An estimation algorithm for 3-D pose measurement using redundant ultrasonic sensors 

    E-Print Network [OSTI]

    Branum, Brian Howell

    1998-01-01

    precise precise but expensive sensing equipment to attain range measuring instruments to triangulate an accurate 3-D more sensors than are necessary for a single 3-D pose measurement. If the pose by including expected errors could be modeled with a...

  5. FPGA-BASED 3D GRAPHICS PROCESSOR WITH PCI-BUS INTERFACE, AN IMPLEMENTATION CASE

    E-Print Network [OSTI]

    FPGA-BASED 3D GRAPHICS PROCESSOR WITH PCI-BUS INTERFACE, AN IMPLEMENTATION CASE STUDY Hans Holten of a 3D graphics processor. Practical design issues dealing with a PCI-bus based reconfigurable FPGA prototyping board are discussed. PCI drivers and bandwidth issues are discussed. An analog VGA video output

  6. Static Ocular Counterroll Is Implemented Through the 3-D Neural Integrator J. Douglas Crawford,13

    E-Print Network [OSTI]

    Vilis, Tutis

    report Static Ocular Counterroll Is Implemented Through the 3-D Neural Integrator J. Douglas. Static ocular counterroll is implemented through the 3-D neural integrator. J Neurophysiol 90: 2777­2784, 2003; 10.1152/jn.00231.2003. Static head roll about the naso-occipital axis is known to produce an oppo

  7. Interacting with Microseismic Visualizations Microseismic visualization systems present complex 3D

    E-Print Network [OSTI]

    Greenberg, Saul

    Interacting with Microseismic Visualizations Abstract Microseismic visualization systems present that information. Author Keywords 3D microseismic visualizations; proxemic interactions ACM Classification Keywords@ucalgary.ca Figure 1. Microseismic data #12;Introduction Microseismic data is multi-dimensional data containing 3D

  8. GEOMETRIC CHARACTERIZATION AND OPTIMIZATION OF 3D ORGANIC FLEXIBLE SOLAR CELLS

    E-Print Network [OSTI]

    Kassegne, Samuel Kinde

    GEOMETRIC CHARACTERIZATION AND OPTIMIZATION OF 3D ORGANIC FLEXIBLE SOLAR CELLS Characterization and Optimization of 3D Organic Flexible Solar Cells by Ashish K. Gaikwad Master of Science of flexible organic solar cells, micro-fabricated using novel microfabrication procedures. A fully functional

  9. Electrode Placement Strategies for 3D EIT B.M. Graham, A. Adler

    E-Print Network [OSTI]

    Adler, Andy

    , 4205 node FEM. Both meshes were designed to model a 28cm diameter by 28cm high cylindrical tank phantom on a 3D medium for the purpose of calculating 3D reconstructions using clinical equipment intended attempts to calculate a stable and accurate image of the conductivity or conductivity change within

  10. Integrated Optical Orbital Angular Momentum Multiplexing Device using 3-D Waveguides and a Silica PLC

    E-Print Network [OSTI]

    Yoo, S. J. Ben

    PLC Binbin Guan,1 Ryan P. Scott,1 Nicolas K. Fontaine,2 Tiehui Su,1 Carlo Ferrari,3 Mark Cappuzzo,3 on a silica planar lightwave circuit (PLC) coupled to a 3-D photonic circuit that efficiently generates planar lightwave circuit (PLC) with a silica 3-D PIC that supports up to 15 OAM modes, both TE and TM

  11. SIMULATION OF GEOMETRY AND SHADOW EFFECTS IN 3D ORGANIC POLYMER SOLAR CELLS

    E-Print Network [OSTI]

    Kassegne, Samuel Kinde

    levels of Solar panels and new production capacity is driving solar PV prices lower and thereby, bringingSIMULATION OF GEOMETRY AND SHADOW EFFECTS IN 3D ORGANIC POLYMER SOLAR CELLS OF THE THESIS Simulation of Geometry and Shadow Effects in 3D Organic Polymer Solar Cells by Mihir Prakashbhai

  12. FILAMENT CHANNEL STRUCTURES IN A Si IV LINE RELATED TO A 3D MAGNETIC MODEL

    E-Print Network [OSTI]

    Aulanier, Guillaume

    FILAMENT CHANNEL STRUCTURES IN A Si IV LINE RELATED TO A 3D MAGNETIC MODEL T. A. KUCERA1,, G. A recent 3D magnetic model of filament support (Aulanier and Démoulin, 1998) has shown that specific of a filament observed in H and Ca II lines with the German telescope VTT in Tenerife on 25 September 1996

  13. Camera based texture mapping: 3D applications for 2D images 

    E-Print Network [OSTI]

    Bowden, Nathan Charles

    2005-08-29

    . The purpose of this artist??s research is the development of an original method of parenting perspective projections to three-dimensional (3D) cameras, specifically tailored to result in 3D matte paintings. Research includes the demonstration of techniques...

  14. TSV Stress-Aware ATPG for 3D Stacked ICs Sergej Deutsch, Krishnendu Chakrabarty

    E-Print Network [OSTI]

    Lim, Sung Kyu

    TSV Stress-Aware ATPG for 3D Stacked ICs Sergej Deutsch, Krishnendu Chakrabarty Department--Thermo-mechanical stress due to TSV fabrication pro- cesses is a major concern in 3D integration. TSV stress not only are generated with TSV stress-oblivious circuit models. We evaluate the impact on TSV stress on delay testing

  15. Estimation of 3D rotation for a satellite from Sun sensors

    E-Print Network [OSTI]

    Estimation of 3D rotation for a satellite from Sun sensors L. Magnis N. Petit MINES Paris: This paper exposes a method to estimate the rotation of a satellite by means of simple Sun sensors located of the Sun. The method is a 3D generalization of an approach originally proposed, using the same setup

  16. Power Grid Optimization in 3D Circuits Using MIM and CMOS Decoupling Capacitors

    E-Print Network [OSTI]

    Sapatnekar, Sachin

    Power Grid Optimization in 3D Circuits Using MIM and CMOS Decoupling Capacitors Pingqiang Zhou severe in 3D. CMOS decoupling capacitors (decaps) have been used effectively for controlling power grid between MIM and CMOS decaps. Experimental results show that power grid noise can be more effectively

  17. A New Shape Benchmark for 3D Object , Afzal Godil1

    E-Print Network [OSTI]

    models [1], Protein Data Bank for biological macromolecules [2],CAESAR for Anthropometry [3], the AIM area of research. Traditional text based search engines are widely used in many 3D repositories of shapes is incomplete or not available in many cases. thus, a number of 3D shapes based search engines

  18. The Soprants: conceptual and technical framework for a 3D interactive video game 

    E-Print Network [OSTI]

    Nakamura, Tatsuya

    2006-10-30

    in the game behave similar to leaf-cutter ants. A 3D game environment based on a real ant colony nest is created and used for prototyping the game. Insect behavior based on behavior of real ants is implemented in an interactive 3D environment. The cinematic...

  19. MICROMACHINED 3-D GLASS-BLOWN WINEGLASS STRUCTURES FOR VIBRATORY MEMS APPLICATIONS

    E-Print Network [OSTI]

    Chen, Zhongping

    improvement in time constant over the complete glass-blown sphere. KEYWORDS: 3-D micro-machining, micro glass-blowingMICROMACHINED 3-D GLASS-BLOWN WINEGLASS STRUCTURES FOR VIBRATORY MEMS APPLICATIONS D. Senkal, I level glassblowing and blow molding techniques have a potential to provide low surface roughness, highly

  20. Accurate 3D Footwear Impression Recovery From Photographs Fernanda A. Andalo

    E-Print Network [OSTI]

    Taubin, Gabriel

    , or to narrow down the number of suspects. Casting 3D footwear impressions is a long-standing standard to obtain and width, and are most commonly found outdoors in soil, sand, and snow [1]. The details that can largely vary. In recent years, the standard method for capturing these 3D prints is by casting using

  1. Weighting Features to Recognize 3D Patterns of Electron Density in X-ray Protein Crystallography

    E-Print Network [OSTI]

    Ioerger, Thomas R.

    Weighting Features to Recognize 3D Patterns of Electron Density in X-ray Protein Crystallography features to recognize 3D patterns of electron density to determine protein structures. We present SLIDER, Texas A&M University 2 Department of Biochemistry & Biophysics, Texas A&M University 1 {kgopal

  2. 3D MAPPING FOR MOBILE ROBOTS USING INTERACTIVE VIRTUAL WORLDS AND INTERNET TELEOPERATION

    E-Print Network [OSTI]

    Minguez, Javier

    3D MAPPING FOR MOBILE ROBOTS USING INTERACTIVE VIRTUAL WORLDS AND INTERNET TELEOPERATION J. M N° 2508, San Pedro Zacatenco, Mexico D.F., MEXICO jibarra@ctrl.cinvestav.mx ** Robotics and Real, is actualized on line with 3D models of the objects present in the real workplace. Internet interaction between

  3. Lobe-based Estimating Ventilation and Perfusion from 3D CT scans of the Lungs

    E-Print Network [OSTI]

    Warren, Joe

    Lobe-based Estimating Ventilation and Perfusion from 3D CT scans of the Lungs Travis McPhail Joe Warren Rice University Thomas Guerrero, M.D. M.D. Anderson Cancer Center Introduction Lung cancer for lung cancer includes surgical removal or radiation therapy. 3D imaging technologies such CT, MRI

  4. GPU-BASED FRAMEWORK FOR DISTRIBUTED INTERACTIVE 3D VISUALIZATION OF MULTIMODAL REMOTE SENSING DATA

    E-Print Network [OSTI]

    Blanz, Volker

    GPU-BASED FRAMEWORK FOR DISTRIBUTED INTERACTIVE 3D VISUALIZATION OF MULTIMODAL REMOTE SENSING DATA,kolb}@fb12.uni-siegen.de ABSTRACT Interactive visualization of remote sensing data allows the user to explore. In this paper, we present a 3D visualization framework for interactive exploration of remote sensing data. Data

  5. InvenTcl: Interpretive 3D graphics using Open Inventor and Tcl/[incr Tcl

    E-Print Network [OSTI]

    Fels, Sidney S.

    InvenTcl: Interpretive 3D graphics using Open Inventor and Tcl/[incr Tcl] Sidney Fels, Silvio Esser­02, JAPAN fels@mic.atr.co.jp +81 774 95 1448 fax: +81 774 95 1408 Abstract Open Inventor is an object oriented 3D graphics toolkit written in C++. Because Open Inventor is written in C++, typical user code

  6. InvenTcl: Interpretive 3D graphics using Open Inventor and Tcl/[incr Tcl

    E-Print Network [OSTI]

    British Columbia, University of

    InvenTcl: Interpretive 3D graphics using Open Inventor and Tcl/[incr Tcl] Sidney Fels, Silvio Esser-02, JAPAN fels@mic.atr.co.jp +81 774 95 1448 fax: +81 774 95 1408 Abstract Open Inventor is an object oriented 3D graphics toolkit written in C++. Because Open Inventor is written in C++, typical user code

  7. Eurographics Workshop on 3D Object Retrieval (2015), pp. 19 SHREC'15 Track

    E-Print Network [OSTI]

    Martin, Ralph R.

    2015-01-01

    Eurographics Workshop on 3D Object Retrieval (2015), pp. 1­9 (Editors) SHREC'15 Track: Canonical Forms for Non-Rigid 3D Shape Retrieval David Pickup1 , Xianfang Sun1 , Paul L. Rosin1 , Ralph R. Martin1, China 3 South China University of Technology, China Track organisers Abstract We present a new

  8. Incorporation of 3D Shortwave Radiative Effects within the Weather Research and Forecasting Model

    SciTech Connect (OSTI)

    O'Hirok, W.; Ricchiazzi, P.; Gautier, C.

    2005-03-18

    A principal goal of the Atmospheric Radiation Measurement (ARM) Program is to understand the 3D cloud-radiation problem from scales ranging from the local to the size of global climate model (GCM) grid squares. For climate models using typical cloud overlap schemes, 3D radiative effects are minimal for all but the most complicated cloud fields. However, with the introduction of ''superparameterization'' methods, where sub-grid cloud processes are accounted for by embedding high resolution 2D cloud system resolving models within a GCM grid cell, the impact of 3D radiative effects on the local scale becomes increasingly relevant (Randall et al. 2003). In a recent study, we examined this issue by comparing the heating rates produced from a 3D and 1D shortwave radiative transfer model for a variety of radar derived cloud fields (O'Hirok and Gautier 2005). As demonstrated in Figure 1, the heating rate differences for a large convective field can be significant where 3D effects produce areas o f intense local heating. This finding, however, does not address the more important question of whether 3D radiative effects can alter the dynamics and structure of a cloud field. To investigate that issue we have incorporated a 3D radiative transfer algorithm into the Weather Research and Forecasting (WRF) model. Here, we present very preliminary findings of a comparison between cloud fields generated from a high resolution non-hydrostatic mesoscale numerical weather model using 1D and 3D radiative transfer codes.

  9. Superquadrics based 3D object representation of automotive parts utilizing part decomposition

    E-Print Network [OSTI]

    Abidi, Mongi A.

    Superquadrics based 3D object representation of automotive parts utilizing part decomposition Yan representation strategy for automotive parts in this paper. Starting from a 3D watertight surface model, a part, in our case automotive parts , efficiently into meaningful single parts. And our proposed superquadric

  10. Multilayer Hybrid Visualizations to Support 3D GIS Stephen Brooks a,*

    E-Print Network [OSTI]

    Brooks, Stephen

    1 Multilayer Hybrid Visualizations to Support 3D GIS Stephen Brooks a,* , Jacqueline L. Whalley b present a unique hybrid visualization system for spatial data. Although some existing 3D GIS systems offer@cs.dal.ca, jwhalley@aut.ac.nz. #12;2 1. Introduction In the past, most geographical information systems (GIS) were

  11. STATISTICAL AND 3D NONLINEAR FINITE ELEMENT ANALYSIS OF SCHLEGEIS DAM

    E-Print Network [OSTI]

    Balaji, Rajagopalan

    STATISTICAL AND 3D NONLINEAR FINITE ELEMENT ANALYSIS OF SCHLEGEIS DAM VICTOR SAOUMA, ERIC HANSEN is composed of two parts. First a statistical analysis of the dam crest displacement is performed, along with a prediction for the years 2000-2001. Then a 3D finite element analysis of Schlegeis dam is performed using

  12. Painting-to-3D Model Alignment Via Discriminative Visual Elements

    E-Print Network [OSTI]

    Painting-to-3D Model Alignment Via Discriminative Visual Elements Mathieu Aubry INRIA1 / TU M align arbitrary 2D de- pictions of an architectural site, including drawings, paintings and historical, we face a hard search problem: the number of possible align- ments of the painting to a large 3D

  13. A Novel 3D Segmentation of Vertebral Bones from Volumetric CT Images Using Graph Cuts

    E-Print Network [OSTI]

    Farag, Aly A.

    of the vertebral bones of spine column with a particular focus on the lumbar spine. The primary goalA Novel 3D Segmentation of Vertebral Bones from Volumetric CT Images Using Graph Cuts Melih S to the Vertebral bodies (VBs). In this paper, we present a novel and fast 3D segmentation framework of VBs

  14. THE APPLICATIONS FOR 3D INVERSE OPAL MICROSTRUCTURES TAE WAN KIM

    E-Print Network [OSTI]

    Braun, Paul

    THE APPLICATIONS FOR 3D INVERSE OPAL MICROSTRUCTURES BY TAE WAN KIM THESIS Submitted-D micro structures applications, and in particular 3-D inverse opal micro structures made using structures. This inverse opal micro structure can not only be used for micro electromechanical systems (MEMS

  15. Volumetric Illustration: Designing 3D Models with Internal Textures Shigeru Owada

    E-Print Network [OSTI]

    Nielsen, Frank

    Volumetric Illustration: Designing 3D Models with Internal Textures Shigeru Owada Frank Nielsen This paper presents an interactive system for designing and browsing volumetric illustrations. Volumetric, instead of sampling from a complete 3D RGB volumetric representation directly. This simplifies the design

  16. Determination of cloud liquid water distribution using 3D cloud tomography

    E-Print Network [OSTI]

    Determination of cloud liquid water distribution using 3D cloud tomography Dong Huang,1 Yangang Liu; published 2 July 2008. [1] The cloud microwave tomography method for remotely retrieving 3D distributions of cloud Liquid Water Content (LWC) was originally proposed by Warner et al. in the 1980s but has lain

  17. Switched Mode Four-Quadrant Converters

    E-Print Network [OSTI]

    Thurel, Y

    2015-01-01

    This paper was originally presented at CAS-2004, and was slightly modified for CAS-2014. It presents a review of the key parameters that impact the design choices for a true four-quadrant power converter, in the range 1-10 kW, mainly based on switching mode converter topology. This paper will first describe the state-of-the-art for this power converter family, giving the drawbacks and advantages of different possible solutions. It will also present practical results obtained from the CERN-designed converter. It will finally give some important tips regarding critical phases like test one, when conducting a project dealing with this type of power converter.

  18. 3-D visualisation and interpretation of seismic attributes extracted from large 3-D seismic datasets: Subregional and prospect evaluation, deepwater Nigeria

    SciTech Connect (OSTI)

    Sola, M.; Haakon Nordby, L.; Dailey, D.V.; Duncan, E.A. (BP and Statoil Alliance, Stavanger (Norway))

    1996-01-01

    High resolution 3-D visualization of horizon interpretation and seismic attributes from large 3-D seismic surveys in deepwater Nigeria has greatly enhanced the exploration team's ability to quickly recognize prospective segments of subregional and prospect specific scale areas. Integrated workstation generated structure, isopach and extracted horizon consistent, interval and windowed attributes are particularly useful in illustrating the complex structural and stratigraphical prospectivity of deepwater Nigeria. Large 3-D seismic volumes acquired over 750 square kilometers can be manipulated within the visualization system with attribute tracking capability that allows for real time data interrogation and interpretation. As in classical seismic stratigraphic studies, pattern recognition is fundamental to effective depositions facies interpretation and reservoir model construction. The 3-D perspective enhances the data interpretation through clear representation of relative scale, spatial distribution and magnitude of attributes. In deepwater Nigeria, many prospective traps rely on an interplay between syndepositional structure and slope turbidite depositional systems. Reservoir systems in many prospects appear to be dominated by unconfined to moderately focused slope feeder channel facies. These units have spatially complex facies architecture with feeder channel axes separated by extensive interchannel areas. Structural culminations generally have a history of initial compressional folding with late in extensional collapse and accommodation faulting. The resulting complex trap configurations often have stacked reservoirs over intervals as thick as 1500 meters. Exploration, appraisal and development scenarios in these settings can be optimized by taking full advantage of integrating high resolution 3-D visualization and seismic workstation interpretation.

  19. The role of 3-D interactive visualization in blind surveys of HI in galaxies

    E-Print Network [OSTI]

    Punzo, D; Roerdink, J B T M; Oosterloo, T A; Ramatsoku, M; Verheijen, M A W

    2015-01-01

    Upcoming HI surveys will deliver large datasets, and automated processing using the full 3-D information (two positional dimensions and one spectral dimension) to find and characterize HI objects is imperative. In this context, visualization is an essential tool for enabling qualitative and quantitative human control on an automated source finding and analysis pipeline. We discuss how Visual Analytics, the combination of automated data processing and human reasoning, creativity and intuition, supported by interactive visualization, enables flexible and fast interaction with the 3-D data, helping the astronomer to deal with the analysis of complex sources. 3-D visualization, coupled to modeling, provides additional capabilities helping the discovery and analysis of subtle structures in the 3-D domain. The requirements for a fully interactive visualization tool are: coupled 1-D/2-D/3-D visualization, quantitative and comparative capabilities, combined with supervised semi-automated analysis. Moreover, the sourc...

  20. Dynamic Electronic Control of Catalytic Converters | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Commonalities between Non-road and On-road Diesel Emissions Diesel Injection Shear-Stress Advanced Nozzle (DISSAN) Microstructural Contol of the Porous Si3N4 Ceramics Consisted...

  1. Chapter 4587 TROPICAL CYCLOGENESIS IN WIND SHEAR

    E-Print Network [OSTI]

    Nolan, David S.

    , it is shown that small values of wind shear in the range of 1.25 to 5 ms -1 are the most favorable, and very and middle troposphere, and a relatively small value of vertical wind shear, which is the change with heightChapter 4587 TROPICAL CYCLOGENESIS IN WIND SHEAR: CLIMATOLOGICAL RELATIONSHIPS AND PHYSICAL

  2. A 3D general circulation model for Pluto and Triton with fixed volatile abundance and simplified surface forcing

    E-Print Network [OSTI]

    Zalucha, Angela

    2012-01-01

    We present a 3D general circulation model of Pluto and Triton's atmospheres, which uses radiative-conductive-convective forcing. In both the Pluto and Triton models, an easterly (prograde) jet is present at the equator with a maximum magnitude of 10-12 m/s and 4 m/s, respectively. Neither atmosphere shows any significant overturning circulation in the meridional and vertical directions. Rather, it is horizontal motions (mean circulation and transient waves) that transport heat meridionally at a magnitude of 1 and 3 x 10^7 W at Pluto's autumn equinox and winter solstice, respectively (seasons referenced to the Northern Hemisphere). The meridional and dayside-nightside temperature contrast is small (<5 K). We find that the lack of vertical motion can be explained on Pluto by the strong temperature inversion in the lower atmosphere. The height of the Voyager 2 plumes on Triton can be explained by the dynamical properties of the lower atmosphere alone (i.e., strong wind shear) and does not require a thermally ...

  3. 3D Printing Meets Computational Astrophysics: Deciphering the Structure of Eta Carinae's Inner Colliding Winds

    E-Print Network [OSTI]

    Madura, Thomas I; Gull, Theodore R; Kruip, Chael J H; Paardekooper, Jan-Pieter

    2015-01-01

    We present the first 3D prints of output from a supercomputer simulation of a complex astrophysical system, the colliding stellar winds in the massive (>120 M_Sun), highly eccentric (e ~ 0.9) binary star system Eta Carinae. We demonstrate the methodology used to incorporate 3D interactive figures into a PDF journal publication and the benefits of using 3D visualization and 3D printing as tools to analyze data from multidimensional numerical simulations. Using a consumer-grade 3D printer (MakerBot Replicator 2X), we successfully printed 3D smoothed particle hydrodynamics (SPH) simulations of Eta Carinae's inner (r ~ 110 au) wind-wind collision interface at multiple orbital phases. The 3D prints and visualizations reveal important, previously unknown 'finger-like' structures at orbital phases shortly after periastron (phi ~ 1.045) that protrude radially outward from the spiral wind-wind collision region. We speculate that these fingers are related to instabilities (e.g. thin-shell, Rayleigh-Taylor) that arise a...

  4. 3D and 4D magnetic susceptibility tomography based on complex MR images

    DOE Patents [OSTI]

    Chen, Zikuan; Calhoun, Vince D

    2014-11-11

    Magnetic susceptibility is the physical property for T2*-weighted magnetic resonance imaging (T2*MRI). The invention relates to methods for reconstructing an internal distribution (3D map) of magnetic susceptibility values, .chi. (x,y,z), of an object, from 3D T2*MRI phase images, by using Computed Inverse Magnetic Resonance Imaging (CIMRI) tomography. The CIMRI technique solves the inverse problem of the 3D convolution by executing a 3D Total Variation (TV) regularized iterative convolution scheme, using a split Bregman iteration algorithm. The reconstruction of .chi. (x,y,z) can be designed for low-pass, band-pass, and high-pass features by using a convolution kernel that is modified from the standard dipole kernel. Multiple reconstructions can be implemented in parallel, and averaging the reconstructions can suppress noise. 4D dynamic magnetic susceptibility tomography can be implemented by reconstructing a 3D susceptibility volume from a 3D phase volume by performing 3D CIMRI magnetic susceptibility tomography at each snapshot time.

  5. Controlled shear/tension fixture

    DOE Patents [OSTI]

    Hsueh, Chun-Hway (Knoxville, TN); Liu, Chain-tsuan (Knoxville, TN); George, Easo P. (Knoxville, TN)

    2012-07-24

    A test fixture for simultaneously testing two material test samples is provided. The fixture provides substantially equal shear and tensile stresses in each test specimens. By gradually applying a load force to the fixture only one of the two specimens fractures. Upon fracture of the one specimen, the fixture and the load train lose contact and the second specimen is preserved in a state of upset just prior to fracture. Particular advantages of the fixture are (1) to control the tensile to shear load on the specimen for understanding the effect of these stresses on the deformation behavior of advanced materials, (2) to control the location of fracture for accessing localized material properties including the variation of the mechanical properties and residual stresses across the thickness of advanced materials, (3) to yield a fractured specimen for strength measurement and an unfractured specimen for examining the microstructure just prior to fracture.

  6. 3D-COSTAR: A Cost Model for 3D Stacked ICs Abstract--Selecting appropriate and efficient test flow for a

    E-Print Network [OSTI]

    , packaging and logistics (e.g. related to shipping wafers between a foundry and a test house); and provides-SIC by an Integrated Device Manufactures (IDM) and a fab-less company. For the fab-less company, we assume that each to their manufacturing process, 3D-SICs provide several test moments such as before stacking, during manufacturing

  7. INFILLING OF SPARSE 3D SEISMIC DATA FOR 3D FOCUSSING OPERATOR A. Gisolf * , M.J. van de Rijzen and D.J. Verschuur

    E-Print Network [OSTI]

    van Vliet, Lucas J.

    , and from the model the correct migration operators, these data-sets can be imaged very well by applying the 3D migration operators in a domain where full areal coverage is obtained, usually a common offset steps, focussing shots and receivers separately in depth-points called Common Focus Points (CFP), using

  8. Converting a Motorcycle to Electric Power

    E-Print Network [OSTI]

    Simcoe, Christopher M.

    2009-12-18

    Research was conducted to determine how simple and practical it would be to convert a standard gasoline powered motorcycle to electric power. The research involved background investigation of useful concepts in electric powered motorcycles...

  9. Transformer Synthesis for VHF Converters I. INTRODUCTION

    E-Print Network [OSTI]

    Perreault, Dave

    , such as a series resonance to replace the tank and transformer in a resonant converter [8], [9]. Such integrated increased loss due to flux shielding as compared to spiral designs. !"#$%&'"()'*%')$""% +,)+%-"./%011

  10. New Perspectives on Wave Energy Converter Control 

    E-Print Network [OSTI]

    Price, Alexandra A E

    2009-01-01

    This work examines some of the fundamental problems behind the control of wave energy converters (WECs). Several new perspectives are presented to aid the understanding of the problem and the interpretation of the ...

  11. Reversible shear thickening at low shear rates of electrorheological fluids under electric fields

    E-Print Network [OSTI]

    Yu Tian; Minliang Zhang; Jile Jiang; Noshir Pesika; Hongbo Zeng; Jacob Israelachvili; Yonggang Meng; Shizhu Wen

    2010-08-24

    Shear thickening is a phenomenon of significant viscosity increase of colloidal suspensions. While electrorheological (ER) fluids can be turned into a solid-like material by applying an electric field, their shear strength is widely represented by the attractive electrostatic interaction between ER particles. By shearing ER fluids between two concentric cylinders, we show a reversible shear thickening of ER fluids above a low critical shear rate (electric field strength (>100 V/mm), which could be characterized by a modified Mason number. Shear thickening and electrostatic particle interaction-induced inter-particle friction forces is considered to be the real origin of the high shear strength of ER fluids, while the applied electric field controls the extent of shear thickening. The electric field-controlled reversible shear thickening has implications for high-performance ER/magnetorheological (MR) fluid design, clutch fluids with high friction forces triggered by applying local electric field, other field-responsive materials and intelligent systems.

  12. Design of electronics for a high-resolution, multi-material, and modular 3D printer

    E-Print Network [OSTI]

    Kwan, Joyce G

    2013-01-01

    Electronics for a high-resolution, multi-material, and modular 3D printer were designed and implemented. The driver for a piezoelectric inkjet print head can fire its nozzles with one of three droplet sizes ranging from 6 ...

  13. NUMERICAL MODELING OF 3D ORGANIC SOLAR CELLS Presented to the

    E-Print Network [OSTI]

    Kassegne, Samuel Kinde

    .2 Physical Process in Polymer: Fullerene Build Heterojunction Solar CellsNUMERICAL MODELING OF 3D ORGANIC SOLAR CELLS _______________ A Thesis Presented to the Faculty Solar Cells by Anurag Kaushik Master of Science in Electrical Engineering San Diego State University

  14. Researchers find 3-D printed parts to provide low-cost, custom...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Researchers find 3-D printed parts to provide low-cost, custom alternatives for laboratory equipment By Raphael Rosen February 26, 2015 Tweet Widget Google Plus One Share on...

  15. Harvesting RNA from 3-D Acinar Cultures 1) Aspirate the media from the wells for harvesting.

    E-Print Network [OSTI]

    Harvesting RNA from 3-D Acinar Cultures 1) Aspirate the media from the wells for harvesting. 2) Add for 15 minutes at room temperature with approximately 20 l DEPC water (for 4 wells of an 8 well chamber

  16. On-machine 3D vision system for machining setup modeling

    E-Print Network [OSTI]

    Zhang, Xi; Tian, Xiaodong; Yamazaki, Kazuo

    2010-01-01

    3 ORIGINAL ARTICLE On-machine 3D vision system for machiningIn computer numerical control machine tools, using machiningIn this paper, an on-machine vision system is presented to

  17. DC characterization and 3D modelling of a triangular, epoxy-impregnated high temperature superconducting coil.

    E-Print Network [OSTI]

    Hu, D.; Ainslie, Mark D.; Rush, J. P.; Durrell, J. H.; Zou, J.; Raine, M. J.; Hampshire, D. P.

    2015-04-24

    is modelled based on the H -formulation using a new three-dimensional (3D) technique that utilizes the real superconducting layer thickness, and this model allows simulation of the actual geometrical layout of the HTS coil structure. Detailed information...

  18. Critiquing the Masters: Applying 3D Production Lighting Principles to Famous 2D Works of Art 

    E-Print Network [OSTI]

    Ford, Angelique

    2012-10-19

    This thesis demonstrates the effects of applying lighting principles developed for 3D computer graphics production to well-known historical 2D paintings. The visual analysis and cinematographic direction is derived from the iterative review...

  19. FastStokes : a fast 3-D fluid simulation program for micro-electro-mechanical systems

    E-Print Network [OSTI]

    Wang, Xin, 1972 Jan. 8-

    2002-01-01

    We have developed boundary integral equation formulas and a corresponding fast 3-D Stokes flow simulation program named FastStokes to accurately simulate viscous drag forces on geometrically complicated MEMS (micro- electro- ...

  20. Automatic Identification and Generation of Highlight Cinematics for 3D Games

    E-Print Network [OSTI]

    Young, R. Michael

    Automatic Identification and Generation of Highlight Cinematics for 3D Games Mike Dominguez Fact and renders cinematic highlights of the story-oriented game play, allowing players to view these emergent