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dc.contributor.authorMercier, Jean-François
dc.contributor.authorLegendre, Guillaume
dc.contributor.authorDuclairoir, Ève-Marie
dc.contributor.authorBonnet-Ben Dhia, Anne-Sophie
dc.date.accessioned2009-09-17T13:52:15Z
dc.date.available2009-09-17T13:52:15Z
dc.date.issued2007
dc.identifier.urihttps://basepub.dauphine.fr/handle/123456789/1736
dc.language.isoenen
dc.subjectAnalyseen
dc.subjectAeroacousticsen
dc.subjectShear flowen
dc.subjectFredholm formulationen
dc.subjectFEMen
dc.subject.ddc515en
dc.titleTime-harmonic acoustic propagation in the presence of a shear flowen
dc.typeArticle accepté pour publication ou publié
dc.contributor.editoruniversityotherLaboratoire POEMS, UMR 2706 CNRS/ENSTA/INRIA ENSTA;France
dc.description.abstractenThis work deals with the numerical simulation, by means of a finite element method, of the time-harmonic propagation of acoustic waves in a moving fluid, using the Galbrun equation instead of the classical linearized Euler equations. This work extends a previous study in the case of a uniform flow to the case of a shear flow. The additional difficulty comes from the interaction between the propagation of acoustic waves and the convection of vortices by the fluid. We have developed a numerical method based on the regularization of the equation which takes these two phenomena into account. Since it leads to a partially full matrix, we use an iterative algorithm to solve the linear system.en
dc.relation.isversionofjnlnameJournal of Computational and Applied Mathematics
dc.relation.isversionofjnlvol204en
dc.relation.isversionofjnlissue2en
dc.relation.isversionofjnldate2007-07
dc.relation.isversionofjnlpages428-439en
dc.relation.isversionofdoihttp://dx.doi.org/10.1016/j.cam.2006.02.048en
dc.description.sponsorshipprivateouien
dc.relation.isversionofjnlpublisherElsevieren
dc.subject.ddclabelAnalyseen


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