@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    dct:description """
              This thesis has two topics : numerical methods for acoustic wave propagation in a flow and reduced order models. In the first topic, we develop a coupled finite element and boundary element method to solve the convected Helmholtz equation, when the flow is uniform outside a bounded domain. In particular, we propose a formulation that is well-posed at all the frequencies of the source. In the second topic, we propose a solution to the classical problem of round-off error accumulation that occurs when computing the a posteriori error bound in the reduced basis method. Furthermore, we propose a non intrusive method for the approximation, in a separated representation form, of linear systems resulting from the finite-dimensional approximation of boundary-value problems depending on one or several parameters
            """ ;
    dct:identifier "NNT: 2013PEST1076" ;
    dct:issued "2026-05-05T23:35:25.115240"^^xsd:dateTime ;
    dct:language "en" ;
    dct:modified "2026-05-05T23:35:25.115244"^^xsd:dateTime ;
    dct:publisher <https://rec.harvest-normandie.data4citizen.com/organization/cce9db95-46d9-4dc2-84b6-764215d0a002> ;
    dct:title "Reduced order methods applied to aeroacoustic problems solved by integral equations" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "CCSD" ] ;
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    dcat:keyword "approximation-certifiee",
        "approximation-non-intrusive",
        "bases-reduites",
        "certified-approximation",
        "convected-helmholtz-equation",
        "couplage-elements-finis-et-elements-de-frontiere",
        "equation-dhelmholtz-convectee",
        "equations-integrales",
        "finite-elements-and-boundary-elements-coupling",
        "infoeu-reposemanticsdoctoralthesis",
        "integral-equations",
        "mathmath-gmmathematics-mathgeneral-mathematics-mathgm",
        "nonintrusive-approximation",
        "reduced-basis",
        "theses" ;
    dcat:landingPage <https://pastel.hal.science/pastel-00961528> .

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    dct:issued "2026-05-05T23:35:25.120161"^^xsd:dateTime ;
    dct:modified "2026-05-05T23:35:25.082568"^^xsd:dateTime ;
    dct:title "Reduced order methods applied to aeroacoustic problems solved by integral equations" ;
    dcat:accessURL <https://pastel.hal.science/pastel-00961528> .

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