Numerical schemes of diffusion asymptotics and moment closures for kinetic equations

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RECERCAT Home > Centres de Recerca de Catalunya (CERCA) > Centre de Recerca Matemàtica > Prepublicacions del Centre de Recerca Matemàtica > View document

Use this identifier to quote or link this document: http://hdl.handle.net/2072/4223

dc.contributor	Centre de Recerca Matemàtica
dc.contributor.author	Carrillo, José A.
dc.contributor.author	Goudon, Thierry
dc.contributor.author	Lafitte, Pauline
dc.contributor.author	Vecil, Francesco
dc.date.accessioned	2007-06-25T13:59:29Z
dc.date.available	2007-06-25T13:59:29Z
dc.date.created	2006-12
dc.date.issued	2006-12
dc.identifier.uri	http://hdl.handle.net/2072/4223
dc.format.extent	41
dc.format.extent	1136066 bytes
dc.format.mimetype	application/pdf
dc.language.iso	eng
dc.publisher	Centre de Recerca Matemàtica
dc.relation.ispartofseries	Prepublicacions del Centre de Recerca Matemàtica;729
dc.rights	Aquest document està subjecte a una llicència d'ús de Creative Commons, amb la qual es permet copiar, distribuir i comunicar públicament l'obra sempre que se'n citin l'autor original, la universitat i el centre i no se'n faci cap ús comercial ni obra derivada, tal com queda estipulat en la llicència d'ús (http://creativecommons.org/licenses/by-nc-nd/2.5/es/)
dc.subject.other	Equacions diferencials hiperbòliques
dc.subject.other	Mecànica estadística
dc.title	Numerical schemes of diffusion asymptotics and moment closures for kinetic equations
dc.type	info:eu-repo/semantics/preprint
dc.subject.udc	517 - Anàlisi
dc.description.abstract	We investigate different models that are intended to describe the small mean free path regime of a kinetic equation, a particular attention being paid to the moment closure by entropy minimization. We introduce a specific asymptotic-induced numerical strategy which is able to treat the stiff terms of the asymptotic diffusive regime. We evaluate on numerics the performances of the method and the abilities of the reduced models to capture the main features of the full kinetic equation.

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