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A numerical scheme for recovering the nonlinear characteristics of a single degree of freedom structure: Non-parametric system identification

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dc.contributor.authorPark, J.-
dc.contributor.authorJang, T.S.-
dc.contributor.authorSyngellakis, S.-
dc.contributor.authorSung, H.G.-
dc.date.accessioned2023-12-22T09:00:22Z-
dc.date.available2023-12-22T09:00:22Z-
dc.date.issued2014-
dc.identifier.issn1743-3509-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8727-
dc.description.abstractThe aim of this paper is to present a numerical scheme for the identification of the nonlinear characteristics of a dynamically excited, single degree of freedom structure, using a non-parametric procedure, recently proposed by the second author; this involves the simultaneous identification of the nonlinear characteristics of both damping and restoring force in dynamic systems whose damping depends on velocity alone. According to this method, the response of the structure is first measured then an integral equation accounting for its unknown nonlinear characteristics is derived. This is an integral equation of the first kind, involving numerical instability in the Hadamard sense. To overcome this difficulty, the Landweber regularization, combined with the L-curve criterion, is applied to the integral equation. Adopting a dynamic model for a test structure, the corresponding nonlinear system identification is achieved through the proposed numerical solution of the governing integral equation. ? 2014 WIT Press.-
dc.format.extent10-
dc.language영어-
dc.language.isoENG-
dc.publisherWITPress-
dc.titleA numerical scheme for recovering the nonlinear characteristics of a single degree of freedom structure: Non-parametric system identification-
dc.typeArticle-
dc.identifier.doi10.2495/SUSI140291-
dc.identifier.scopusid2-s2.0-84903130949-
dc.identifier.bibliographicCitationWIT Transactions on the Built Environment, v.141, pp 335 - 344-
dc.citation.titleWIT Transactions on the Built Environment-
dc.citation.volume141-
dc.citation.startPage335-
dc.citation.endPage344-
dc.type.docTypeConference Paper-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusDamping-
dc.subject.keywordPlusDegrees of freedom (mechanics)-
dc.subject.keywordPlusDynamic response-
dc.subject.keywordPlusIntegral equation of the first kinds-
dc.subject.keywordPlusNon-linear stiffness-
dc.subject.keywordPlusNon-parametric-
dc.subject.keywordPlusNonlinear characteristics-
dc.subject.keywordPlusNonlinear damping-
dc.subject.keywordPlusSimultaneous identification-
dc.subject.keywordPlusSingle degree of freedom structures-
dc.subject.keywordPlusSingle-degree-of-freedom-
dc.subject.keywordPlusIntegral equations-
dc.subject.keywordPlusdamping-
dc.subject.keywordPlusdynamic response-
dc.subject.keywordPlusinstability-
dc.subject.keywordPlusnonlinearity-
dc.subject.keywordPlusnumerical model-
dc.subject.keywordPlusstiffness-
dc.subject.keywordPlusvelocity-
dc.subject.keywordAuthorDynamic response data-
dc.subject.keywordAuthorNon-parametric system identification-
dc.subject.keywordAuthorNonlinear damping-
dc.subject.keywordAuthorNonlinear stiffness-
dc.subject.keywordAuthorSingle-degree-of-freedom-
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