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Monte Carlo photon transport on a vector supercomputer

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3 Author(s)
Martin, William R. ; University of Michigan, Department of Nuclear Engineering, Ann Arbor, 48109, USA ; Nowak, Paul F. ; Rathkopf, James A.

The use of “event-based” algorithms for particle transport Monte Carlo methods has allowed the successful adaptation of these methods to vector supercomputers. An alternative algorithm for the specific application of photon transport in an axisymmetric inertially confined fusion plasma has been developed and implemented on a vector supercomputer. The new algorithm is described; its unique features are discussed and compared with existing vectorized algorithms for Monte Carlo. Numerical results are presented illustrating its efficiency on a vector supercomputer, relative to an optimized scalar Monte Carlo algorithm that was developed for this purpose.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:30 ,  Issue: 2 )