Estimation of piezoelastic and viscoelastic properties in laminated structures

Publication: Research - peer-reviewJournal article – Annual report year: 2009

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An inverse method for material parameter estimation of elastic, piezoelectric and viscoelastic laminated plate structures is presented. The method uses a gradient based optimization technique in order to solve the inverse problem, through minimization of an error functional which expresses the difference between experimental free vibration data and corresponding numerical data produced by a finite element model. The complex modulus approach is used to model the viscoelastic material behavior, assuming hysteretic type damping. Applications that illustrate the influence of adhesive material interfaces and viscoelastic parameter identification are presented and a few simulated test cases aid the interpretation of results. (C) 2008 Elsevier Ltd. All rights reserved.
Original languageEnglish
JournalComposite Structures
Publication date2009
Volume87
Journal number2
Pages168-174
ISSN0263-8223
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 18
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