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Published in:
2006 | OriginalPaper | Chapter
Parallel Deterministic Neutron Transport with AMR
Author : C.J. Clouse
Published in: Computational Methods in Transport
Publisher: Springer Berlin Heidelberg
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AMTRAN, a one, two and three dimensional Sn neutron transport code with adaptive mesh refinement (AMR) has been parallelized with MPI over spatial domains and energy groups and with threads over angles. Block refined AMR is used with linear finite element representations for the fluxes, which are node centered. AMR requirements are determined by minimum mean free path calculations throughout the problem and can provide an order of magnitude or more reduction in zoning requirements for the same level of accuracy, compared to a uniformly zoned problem.