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dc.contributor.authorKormann, Jean-
dc.contributor.authorCobo, Pedro-
dc.contributor.authorRecuero López, Manuel-
dc.contributor.authorBiescas, Berta-
dc.contributor.authorSallarès, Valentí-
dc.date.accessioned2013-05-07T10:37:22Z-
dc.date.available2013-05-07T10:37:22Z-
dc.date.issued2009-11-
dc.identifierdoi: 10.3813/AAA.918242-
dc.identifierissn: 1610-1928-
dc.identifiere-issn: 1861-9959-
dc.identifier.citationActa Acustica united with Acustica 95(6): 1104-1111 (2009)-
dc.identifier.urihttp://hdl.handle.net/10261/75582-
dc.description.abstractThis work investigates the ability of modelling seismic oceanography experiments by using underwater acoustic propagation equations. Seismic oceanography tries to retrieve the fine structure of the ocean water masses by processing the acoustic waves reflected in the low-contrast interfaces of fronts, eddies, internal waves or thermohaline intrusions. Since the reflectivity of such interfaces is of order 10−3-10-4, the absorption capability of the numerical boundaries becomes crucial. Complex Frequency Shifted offers a better alternative to classical Perfectly Matched Layer formulation, but has not yet been extended to acoustic equations. Here, first- and second-order Complex Frequency Shifted Perfectly Matched Layers equations are proposed which can provide reflection coefficients of order 10-5. Therefore, a numerical Finite-Difference Time-Domain (FDTD) scheme combined with the proposed CFS-PML equations is able to model such experiments-
dc.language.isoeng-
dc.publisherEuropean Acoustics Association-
dc.rightsclosedAccess-
dc.titleModelling seismic oceanography experiments by using first- and second-order Complex Frequency Shifted Perfectly Matched Layers-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.3813/AAA.918242-
dc.relation.publisherversionhttps://doi.org/10.3813/AAA.918242-
dc.date.updated2013-05-07T10:37:22Z-
dc.description.versionPeer Reviewed-
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