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Discrete Version of the She Asymptotics: Multigroup Neutron Transport Equations

Thierry Goudon 1 Antoine Mellet
1 CAIMAN - Scientific computing, modeling and numerical analysis
CRISAM - Inria Sophia Antipolis - Méditerranée , ENPC - École des Ponts ParisTech, CNRS - Centre National de la Recherche Scientifique : UMR6621
Abstract : This paper is devoted to the derivation of multigroup diffusion equations from the Boltzmann equation. The limit system couples the energy levels from both zeroth order term and diffusion currents.
Mots-clés : NEUTRON TRANSPORT SPHERICAL HARMONICS EXPANSION TRANSPORT-DIFFUSION EQUATION BOLTZMANN EQUATION DIFFUSION APPROXIMATION
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Submitted on : Tuesday, May 23, 2006 - 8:18:39 PM
Last modification on : Friday, February 4, 2022 - 3:19:42 AM
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Thierry Goudon, Antoine Mellet. Discrete Version of the She Asymptotics: Multigroup Neutron Transport Equations. RR-4302, INRIA. 2001. ⟨inria-00072285⟩

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