@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 """
              In this paper, a subspace fitting method is proposed to update, in the time domain, the finite element model of a rotating machine. The procedure is achieved by minimizing an error norm, leading to the comparison between experimental and theoretical observability matrices. Experimental observability matrix is obtained through a MOESP subspace identification algorithm, by projecting the output signal onto some appropriate subspaces, resulting in a cancellation of input excitations and noises. The theoretical observability matrix is obtained from modal parameters of a finite element model of the structure. The minimization procedure is carried out through a Gauss-Newton algorithm. The method is applied to determine the foundation stiffness of an experimental rotating machine subject to a random noise.
            """ ;
    dct:identifier "hal-00819616" ;
    dct:issued "2026-05-11T06:16:18.840689"^^xsd:dateTime ;
    dct:language "en" ;
    dct:modified "2026-05-11T06:16:18.840694"^^xsd:dateTime ;
    dct:publisher <https://rec.harvest-normandie.data4citizen.com/organization/cce9db95-46d9-4dc2-84b6-764215d0a002> ;
    dct:title "Vibratory Diagnosis by Finite Element Model Updating and Operational Modal Analysis" ;
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            vcard:fn "CCSD" ] ;
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    dcat:keyword "finite-elements-model-updating",
        "infoeu-reposemanticsarticle",
        "journal-articles",
        "operational-modal-analysis",
        "physmecavibrphysics-physicsmechanics-physicsvibrations-physicsclass-ph",
        "rotating-machine",
        "spimecavibrengineering-sciences-physicsmechanics-physicsmed-phvibrations-physicsclass-p",
        "subspace-fitting",
        "vibratory-diagnosis" ;
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    dct:issued "2026-05-11T06:16:18.858473"^^xsd:dateTime ;
    dct:modified "2026-05-11T06:16:18.829451"^^xsd:dateTime ;
    dct:title "Vibratory Diagnosis by Finite Element Model Updating and Operational Modal Analysis" ;
    dcat:accessURL <https://hal.science/hal-00819616> .

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