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Stability of acoustic propagation in 2D duct flows: A low frequency approach

hal.structure.identifierPropagation des Ondes : Étude Mathématique et Simulation [POEMS]
dc.contributor.authorBONNET-BEN DHIA, Anne-Sophie
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorDURUFLÉ, Marc
hal.structure.identifierPropagation des Ondes : Étude Mathématique et Simulation [POEMS]
dc.contributor.authorJOLY, Patrick
hal.structure.identifierPropagation des Ondes : Étude Mathématique et Simulation [POEMS]
dc.contributor.authorJOUBERT, Lauris
dc.date.accessioned2024-04-04T02:21:44Z
dc.date.available2024-04-04T02:21:44Z
dc.date.issued2011
dc.identifier.issn0218-2025
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/189600
dc.description.abstractEnIn this paper, we derive a simplified "quasi-1D" limit model for the propagation of low frequency acoustic waves in a laminar flow filling a 2D duct. We analyze the well-posedness of this model in function of the Mach profile of the flow. This can be reduced to the study of the spectrum of a bounded non-normal operator. As a by-product of this analysis, we establish new results for hydrodynamic instabilities of KelvinHelmholtz type in compressible fluids. © 2011 World Scientific Publishing Company.
dc.language.isoen
dc.publisherWorld Scientific Publishing
dc.subject.enSpectral theory
dc.subject.enhydrodynamic stability
dc.subject.enacoustics in flow
dc.subject.enasymptotic analysis
dc.title.enStability of acoustic propagation in 2D duct flows: A low frequency approach
dc.typeArticle de revue
dc.identifier.doi10.1142/s0218202511005271
dc.subject.halMathématiques [math]/Physique mathématique [math-ph]
dc.subject.halPhysique [physics]/Mécanique [physics]/Acoustique [physics.class-ph]
dc.subject.halSciences de l'ingénieur [physics]/Acoustique [physics.class-ph]
bordeaux.journalMathematical Models and Methods in Applied Sciences
bordeaux.page1121-1151
bordeaux.volume21
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.issue5
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-00849576
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00849576v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Mathematical%20Models%20and%20Methods%20in%20Applied%20Sciences&rft.date=2011&rft.volume=21&rft.issue=5&rft.spage=1121-1151&rft.epage=1121-1151&rft.eissn=0218-2025&rft.issn=0218-2025&rft.au=BONNET-BEN%20DHIA,%20Anne-Sophie&DURUFL%C3%89,%20Marc&JOLY,%20Patrick&JOUBERT,%20Lauris&rft.genre=article


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