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Title: Use of a Manufactured Solution for Verifying CFD Flux Schemes and BCs.


Abstract not provided.

; ; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
Report Number(s):
DOE Contract Number:
Resource Type:
Resource Relation:
Conference: Proposed for presentation at the SIAM Conference on Computational Science and Engineering held February 19-23, 2007 in Costa Mesa, CA.
Country of Publication:
United States

Citation Formats

Bond, Ryan Bomar, Ober, Curtis Curry, Smith, Thomas M., and Bova, Steven W.. Use of a Manufactured Solution for Verifying CFD Flux Schemes and BCs.. United States: N. p., 2007. Web.
Bond, Ryan Bomar, Ober, Curtis Curry, Smith, Thomas M., & Bova, Steven W.. Use of a Manufactured Solution for Verifying CFD Flux Schemes and BCs.. United States.
Bond, Ryan Bomar, Ober, Curtis Curry, Smith, Thomas M., and Bova, Steven W.. Thu . "Use of a Manufactured Solution for Verifying CFD Flux Schemes and BCs.". United States. doi:.
title = {Use of a Manufactured Solution for Verifying CFD Flux Schemes and BCs.},
author = {Bond, Ryan Bomar and Ober, Curtis Curry and Smith, Thomas M. and Bova, Steven W.},
abstractNote = {Abstract not provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Feb 01 00:00:00 EST 2007},
month = {Thu Feb 01 00:00:00 EST 2007}

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  • Order-of-accuracy verification is necessary to ensure that software correctly solves a given set of equations. One method to verify the order of accuracy of a code is the method of manufactured solutions. In this study, a manufactured solution has been derived and implemented that allows verification of not only the Euler, Navier-Stokes, and Reynolds-Averaged Navier-Stokes (RANS) equation sets, but also some of their associated boundary conditions (BC's): slip, no-slip (adiabatic and isothermal), and outflow (subsonic, supersonic, and mixed). Order-of-accuracy verification has been performed for the Euler and Navier-Stokes equations and these BC's in a compressible computational fluid dynamics code. Allmore » of the results shown are on skewed, non-uniform meshes. RANS results will be presented in a future paper. The observed order of accuracy was lower than the expected order of accuracy in two cases. One of these cases resulted in the identification and correction of a coding mistake in the CHAD gradient correction that was reducing the observed order of accuracy. This mistake would have been undetectable on a Cartesian mesh. During the search for the CHAD gradient correction problem, an unrelated coding mistake was found and corrected. The other case in which the observed order of accuracy was less than expected was a test of the slip BC; although no specific coding or formulation mistakes have yet been identified. After the correction of the identified coding mistakes, all of the aforementioned equation sets and BC's demonstrated the expected (or at least acceptable) order of accuracy except the slip condition.« less
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  • This paper reports that on site inspection is one important form of verification available to insure compliance with arms control treaties. On site inspection has been implemented in the Intermediate Nuclear Forces (INF) Treaty with a site at Votkinsk, USSR and is planned for use in verifying the Strategic Arms Reduction Talks (START) treaty currently in negotiation. The Raytheon Company, under contract to the Defense Nuclear Agency, is responsible for the research and development of the portal and perimeter monitoring equipment for potential verification tasks associated with future START treaties. Under DNA tasking, Raytheon has developed prototype portal and perimetermore » monitoring systems to satisfy short and long term monitoring requirements and has demonstrated these prototype systems at the DNA Technical On-Site Inspection (TOSI) facility at Kirtland, AFB, NM. The DNA design goals were to provide the US with a simple, modular low cost and highly reliable PPMS using available commercial off-the-shelf equipment which could be installed at potential monitoring sites with a minimum of site preparation. Testing to date indicates these design goals have been met.« less
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