Multischeme equivalence procedure for neutron transport finite element methods

Vincent Laboure,Yaqi Wang,Javier Ortensi,Nicolas Martin,Sebastian Schunert

Annals of Nuclear Energy（2022）

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摘要

•A multischeme homogenization equivalence procedure is formalized.•Two new methods are proposed: MS-SPH and MS-SPH-DF.•MS-SPH only relies on SPH factors to correct the leakage into the heterogeneous region.•MS-SPH-DF uses DFs to preserve the reference net current at the interface.•MS-SPH is simpler and may achieve similar accuracy for local QoIs.

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关键词

Multischeme,Super Homogenization (SPH),Discontinuity factors,Griffin transport code,Multiphysics object-oriented simulation environment (MOOSE)

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