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Un Algorithme Faible Nombre de Mach pour la Simulation des Ecoulements de Fluides Supercritiques par des Méthodes Spectrales.

hal.structure.identifierLaboratoire de Mécanique, Modélisation et Procédés Propres [M2P2]
dc.contributor.authorRASPO, Isabelle
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorOUAZZANI, Jalil
dc.date.created2009
dc.date.issued2009
dc.date.conference2009-08-24
dc.description.abstractEnThe numerical simulations of supercritical fluids flows were always performed using finite volume methods. These methods were used in association with iterative schemes for coupling all the equations, leading to very time-consuming computational codes. In this paper, we propose a new algorithm for an uncoupled solution of energy and Navier-Stokes equations in the low Mach number approximation with a spectral method. Indeed, spectral methods are known to ensure the highest accuracy and to allow the use of very fast techniques, such as FFT and complete diagonalization of the operators, leading to very efficient computational codes. The algorithm proposed is evaluated on a problem of natural convection for which results obtained with a finite volume method are available in literature
dc.language.isofr
dc.source.titleProceedings du 19ème Congrès Français de Mécanique
dc.subjectFluides supercritiques
dc.subjectsimulation numérique
dc.subjectfaible nombre de Mach
dc.subjectméthode de projection
dc.subjectméthodes spectrales
dc.titleUn Algorithme Faible Nombre de Mach pour la Simulation des Ecoulements de Fluides Supercritiques par des Méthodes Spectrales.
dc.typeCommunication dans un congrès
dc.subject.halSciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des fluides [physics.class-ph]
dc.subject.halPhysique [physics]/Mécanique [physics]/Mécanique des fluides [physics.class-ph]
dc.subject.halSciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Thermique [physics.class-ph]
dc.subject.halPhysique [physics]/Mécanique [physics]/Thermique [physics.class-ph]
bordeaux.pagearticle 337
bordeaux.conference.title19ème Congrès Français de Mécanique
bordeaux.countryFR
bordeaux.title.proceedingProceedings du 19ème Congrès Français de Mécanique
bordeaux.conference.cityMarseille
bordeaux.peerReviewedoui
hal.identifierhal-00869153
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2009-08-28
hal.popularnon
hal.audienceNationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00869153v1
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