Hardware-Accelerated Simulated Radiography

Conference · Thu Aug 04 04:00:00 EDT 2005

DOI:https://doi.org/10.1109/VISUAL.2005.1532815· OSTI ID:881871

Laney, D; Callahan, S; Max, N; Silva, C; Langer, S; Frank, R

We present the application of hardware accelerated volume rendering algorithms to the simulation of radiographs as an aid to scientists designing experiments, validating simulation codes, and understanding experimental data. The techniques presented take advantage of 32-bit floating point texture capabilities to obtain solutions to the radiative transport equation for X-rays. The hardware accelerated solutions are accurate enough to enable scientists to explore the experimental design space with greater efficiency than the methods currently in use. An unsorted hexahedron projection algorithm is presented for curvilinear hexahedral meshes that produces simulated radiographs in the absorption-only regime. A sorted tetrahedral projection algorithm is presented that simulates radiographs of emissive materials. We apply the tetrahedral projection algorithm to the simulation of experimental diagnostics for inertial confinement fusion experiments on a laser at the University of Rochester.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA
• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 881871
• Report Number(s): UCRL-CONF-214415
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
99 GENERAL AND MISCELLANEOUS
ALGORITHMS
DESIGN
EFFICIENCY
IMAGES
INERTIAL CONFINEMENT
LASERS
SIMULATION
TEXTURE
TRANSPORT