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An ES-BGK model for polyatomic gases in rotational and vibrational nonequilibrium

hal.structure.identifierCommissariat à l'Energie Atomique et aux Energies Alternatives [CEA-CESTA]
dc.contributor.authorJULIEN, Mathiaud
hal.structure.identifierCommissariat à l'énergie atomique et aux énergies alternatives [CEA]
dc.contributor.authorDAUVOIS, Y
hal.structure.identifierCommissariat à l'Energie Atomique et aux Energies Alternatives [CEA-CESTA]
hal.structure.identifierCentre d'Etudes Lasers Intenses et Applications [CELIA]
dc.contributor.authorMATHIAUD, J.
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
hal.structure.identifierCentre d'Etudes Lasers Intenses et Applications [CELIA]
dc.contributor.authorMIEUSSENS, Luc
dc.date.accessioned2024-04-04T02:47:08Z
dc.date.available2024-04-04T02:47:08Z
dc.date.issued2021-02-23
dc.identifier.issn0997-7546
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/191615
dc.description.abstractEnWe propose an extension of the Ellipsoidal-Statistical BGK model to account for discrete levels of vibrational energy in a rarefied polyatomic gas. This model satisfies an H-theorem and contains parameters that allow to fit almost arbitrary values for the Prandtl number and the relaxation times of rotational and vibrational energies. With the reduced distribution technique , this model can be reduced to a three distribution system that could be used to simulate polyatomic gases with rotational and vibrational energy for a computational cost close to that of a simple monoatomic gas.
dc.language.isoen
dc.publisherElsevier
dc.title.enAn ES-BGK model for polyatomic gases in rotational and vibrational nonequilibrium
dc.typeArticle de revue
dc.identifier.doi10.1016/j.euromechflu.2021.02.006
dc.subject.halMathématiques [math]/Equations aux dérivées partielles [math.AP]
dc.identifier.arxiv2007.02727
bordeaux.journalEuropean Journal of Mechanics - B/Fluids
bordeaux.page1-16
bordeaux.volume88
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-02887717
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02887717v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=European%20Journal%20of%20Mechanics%20-%20B/Fluids&rft.date=2021-02-23&rft.volume=88&rft.spage=1-16&rft.epage=1-16&rft.eissn=0997-7546&rft.issn=0997-7546&rft.au=JULIEN,%20Mathiaud&DAUVOIS,%20Y&MATHIAUD,%20J.&MIEUSSENS,%20Luc&rft.genre=article


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