Hardware-Accelerated Simulated Radiography
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.
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- Conference: Presented at: Hardware Accelerated Simulated Radiography, Minneapolis, MN, United States, Oct 23 - Oct 28, 2005
- Research Org:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA
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- Country of Publication:
- United States
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; ALGORITHMS; DESIGN; EFFICIENCY; IMAGES; INERTIAL CONFINEMENT; LASERS; SIMULATION; TEXTURE; TRANSPORT
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