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An ES-BGK model for diatomic gases with correct relaxation rates for internal energies

hal.structure.identifierCentre d'Etudes Lasers Intenses et Applications [CELIA]
dc.contributor.authorMATHIAUD, Julien
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorMIEUSSENS, Luc
hal.structure.identifierInstitute of Space Systems ; University of Stuttgart
dc.contributor.authorPFEIFFER, M.
dc.date.accessioned2024-04-04T02:35:50Z
dc.date.available2024-04-04T02:35:50Z
dc.date.issued2022-11
dc.identifier.issn0997-7546
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/190675
dc.description.abstractEnWe propose a new ES-BGK model for diatomic gases which allows for translational-rotational and translational-vibrational energy exchanges, as given by Landau-Teller and Jeans relaxation equations. This model is consistent with the general definition of the vibrational and rotational collision numbers that are also commonly used in DSMC solvers. It is proved to satisfy the H-theorem and to give the correct transport coefficients, up to the volume viscosity. Contents
dc.language.isoen
dc.publisherElsevier
dc.title.enAn ES-BGK model for diatomic gases with correct relaxation rates for internal energies
dc.typeArticle de revue
dc.identifier.doi10.1016/j.euromechflu.2022.07.003
dc.subject.halSciences de l'ingénieur [physics]
dc.subject.halMathématiques [math]
dc.description.sponsorshipEuropeMultiscale Fluid and Plasma Dynamics using Particles - DOI : 10.3030/899981
bordeaux.journalEuropean Journal of Mechanics - B/Fluids
bordeaux.page65-77
bordeaux.volume96
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-03960779
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03960779v1
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