Fully-coupled fluid-structure analysis of a baffled rectangular orthotropic plate using the boundary element and finite element methods

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dc.contributor.authorFronk, Thomas Harrisen
dc.contributor.committeechairMahan, James Roberten
dc.contributor.committeememberKnight, Charles E.en
dc.contributor.committeememberFuller, Christopher R.en
dc.contributor.committeememberRogers, Craig A.en
dc.contributor.committeememberHolzer, Siegfried M.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T21:16:31Zen
dc.date.adate2008-07-28en
dc.date.available2014-03-14T21:16:31Zen
dc.date.issued1991-06-26en
dc.date.rdate2008-07-28en
dc.date.sdate2008-07-28en
dc.description.abstractLaminated composite plates have become an important and proven structural material in aerospace and ocean vehicles. However, because of the inherent orthotropy of laminated composite materials the analysis of these structures is complex and usually cannot be adequately performed using classical methods. In this dissertation the formulation of the fully coupled fluid-structure interaction of a laminated composite plate and its surrounding fluid medium is presented. The solution technique involves the finite element method for modeling the structural response and the boundary element method for modeling the acoustic field. The model incorporates the Mindlin plate theory which includes five degrees of freedom. An improved integration technique is demonstrated which significantly reduces the approximation error. Storage requirements are reduced by grouping complex numbers. Finally the fully coupled fluid-structure interaction involving laminated composite plates is modeled using the combined FEM-BEM approach demonstrating the usefulness and the significance of the method.en
dc.description.degreePh. D.en
dc.format.extentxvi, 213 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-07282008-134729en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-07282008-134729/en
dc.identifier.urihttp://hdl.handle.net/10919/38903en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1991.F766.pdfen
dc.relation.isformatofOCLC# 24448195en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1991.F766en
dc.subject.lcshBoundary element methods -- Researchen
dc.subject.lcshLaminated materials -- Researchen
dc.titleFully-coupled fluid-structure analysis of a baffled rectangular orthotropic plate using the boundary element and finite element methodsen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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