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hal.structure.identifierModeling Enablers for Multi-PHysics and InteractionS [MEMPHIS]
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorBERGMANN, Michel
dc.date.accessioned2024-04-04T03:07:23Z
dc.date.available2024-04-04T03:07:23Z
dc.date.conference2017-02-20
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/193436
dc.description.abstractEnWe present a numerical method to solve fluid flows with interfaces like fluid structure interactions. The incompressible Navier-Stokes equations are discretized on Cartesian grids coupled with immersed boundary and level set methods. Several applications will be presented starting from 2D fish like swimming to 3D power extraction like a Wave Energy Converter and windtubines. The CPU costs required for these kind of applications can be prohibitive. Indeed, large computational domains have to be used due to complex outflow boundary conditions. We thus present a method based on POD ROM (Proper Orthogonal Decomposition Reduced Order Models) that allows to use significant smaller DNS domains. This hybrid DNS/ROM approach finally allows to concentrate efforts (DNS) where accuracy is needed (near boundary) and to approximate the solution on robust POD basis (computed offline) elsewhere.
dc.language.isoen
dc.title.enA hybrid DNS/ROM approach for wind and ocean wave energy converters
dc.typeCommunication dans un congrès
dc.subject.halInformatique [cs]/Modélisation et simulation
dc.subject.halPhysique [physics]/Mécanique [physics]/Mécanique des fluides [physics.class-ph]
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.conference.titleMECASIF Workshop 2017 - MECASIF on reduced order methods for wind and marine current power
bordeaux.countryFR
bordeaux.conference.citySophia Antipolis
bordeaux.peerReviewednon
hal.identifierhal-01668467
hal.version1
hal.invitedoui
hal.proceedingsnon
hal.conference.end2017-02-22
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01668467v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.au=BERGMANN,%20Michel&rft.genre=unknown


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