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Influence of a constant vorticity on the Bragg resonance phenomenon

hal.structure.identifierInstitut méditerranéen d'océanologie [MIO]
dc.contributor.authorLAFFITTE, Elodie
hal.structure.identifierDepartment of Naval Architecture and Marine Engineering [Athens]
dc.contributor.authorBELIBASSAKIS, Kostas
hal.structure.identifierInstitut de Mécanique et d'Ingénierie de Bordeaux [I2M]
dc.contributor.authorSIMON, Bruno
hal.structure.identifierInstitut méditerranéen d'océanologie [MIO]
dc.contributor.authorREY, Vincent
hal.structure.identifierOPLC
dc.contributor.authorTOUBOUL, Julien
dc.date.accessioned2021-05-14T09:42:04Z
dc.date.available2021-05-14T09:42:04Z
dc.date.issued2016
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/76696
dc.description.abstractEnAs part of wave propagation in presence of an inhomogeneous current, the vorticity's effects on scattering characteristic phenomena, in particular on the Bragg resonance, will be studied to improve the understanding and the modeling of coastal dynamics. For this purpose, we consider a linearly and only vertically sheared current, and a slowly varying topography. Respecting the wave dynamics modelling, a linear propagation model-the mild-slope equation-was settled up (Charland, 2014), describing the propagation of water waves in the presence of slowly varying bathymetries and currents. This model was recently improved to take steeper bathymetric variations into account (Belibassakis et al, 2016), based on the coupled-mode approach (Belibassakis Athanassoulis, 1999). This new CMS equation is solved numerically. In the same time, an experimental campaign is carried out in a water flume (Simon et al, 2016), in order to control the current shearing. The comparison between numerical and experimental results emphasizes the influence of vorticity on the Bragg resonance.
dc.language.isoen
dc.title.enInfluence of a constant vorticity on the Bragg resonance phenomenon
dc.typeArticle de revue
dc.subject.halPhysique [physics]
dc.subject.halSciences de l'environnement
dc.subject.halPlanète et Univers [physics]
dc.subject.halPlanète et Univers [physics]/Océan, Atmosphère
bordeaux.journalGeophysical Research Abstracts
bordeaux.page2016 - 8228
bordeaux.volume18
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.institutionINRAE
bordeaux.institutionArts et Métiers
bordeaux.peerReviewedoui
hal.identifierhal-02167414
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02167414v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Geophysical%20Research%20Abstracts&rft.date=2016&rft.volume=18&rft.spage=2016%20-%208228&rft.epage=2016%20-%208228&rft.au=LAFFITTE,%20Elodie&BELIBASSAKIS,%20Kostas&SIMON,%20Bruno&REY,%20Vincent&TOUBOUL,%20Julien&rft.genre=article


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