The Multi-PN angular discretization method of the neutral-particle transport equation for radiation shielding calculations

Matteo Falabino,Daniele Sciannandrone,Emiliano Masiello,Jean-François Vidal

ANNALS OF NUCLEAR ENERGY（2022）

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摘要

•Multi-PN method effectively mitigates ray-effect in radiation shielding problems.•Multi-PN method relies on a piecewise–polynomial expansion of interface angular fluxes.•Multi-PN is applied within the short characteristic discretization of the IDT solver.

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关键词

Neutron transport, Radiation shielding calculations, Ray -effect mitigation, IDT solver

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