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Application of Discontinuous Galerkin spectral method on hexahedral elements for aeroacoustic

hal.structure.identifierPropagation des Ondes : Étude Mathématique et Simulation [POEMS]
dc.contributor.authorCASTEL, Nicolas
hal.structure.identifierPropagation des Ondes : Étude Mathématique et Simulation [POEMS]
dc.contributor.authorCOHEN, Gary
hal.structure.identifierPropagation des Ondes : Étude Mathématique et Simulation [POEMS]
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorDURUFLÉ, Marc
dc.date.accessioned2024-04-04T02:34:53Z
dc.date.available2024-04-04T02:34:53Z
dc.date.created2008
dc.date.issued2009
dc.identifier.issn0218-396X
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/190585
dc.description.abstractEnA discontinuous Galerkin method is developed for linear hyperbolic systems on general hexahedral meshes. The use of hexahedral elements and tensorized quadrature formulas to evaluate the integrals leads to an efficient matrix-vector product. It is shown for high order approximations, the reduction in computational time can be very important, compared to tetrahedral elements. Two choices of quadrature points are considered, the Gauss points or Gauss-Lobatto points. The method is applied to the aeroacoustic system (simplified Linearized Euler Equations). Some 3-D numericals experiments show the importance of penalization, and the advantage of using high order.
dc.language.isoen
dc.publisherWorld Scientific Publishing
dc.title.enApplication of Discontinuous Galerkin spectral method on hexahedral elements for aeroacoustic
dc.typeArticle de revue
dc.subject.halMathématiques [math]/Equations aux dérivées partielles [math.AP]
bordeaux.journalJournal of Computational Acoustics
bordeaux.page175-196
bordeaux.volume17
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.issue2
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-00403787
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00403787v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Computational%20Acoustics&rft.date=2009&rft.volume=17&rft.issue=2&rft.spage=175-196&rft.epage=175-196&rft.eissn=0218-396X&rft.issn=0218-396X&rft.au=CASTEL,%20Nicolas&COHEN,%20Gary&DURUFL%C3%89,%20Marc&rft.genre=article


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