Structural acoustic analysis of shape memory alloy hybrid composite panels

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dc.contributor.authorAnders, William S.en
dc.contributor.committeechairRogers, Craig A.en
dc.contributor.committeememberRobertshaw, Harry H.en
dc.contributor.committeememberGriffin, Odis Hayden Jr.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T21:48:39Zen
dc.date.adate2008-11-01en
dc.date.available2014-03-14T21:48:39Zen
dc.date.issued1990-09-06en
dc.date.rdate2008-11-01en
dc.date.sdate2008-11-01en
dc.description.abstractShape memory alloy (SMA) hybrid adaptive composites are a class of materials which combine the strain recovery and elastic properties transformation capabilities of SMA fibers with the structural characteristics of advanced composite materials. This study utilizes the Rayleigh-Ritz method and finite panel acoustic radiation theory to investigate the use of SMA hybrid composite materials for adaptive structural acoustic control by active structural tuning. Analytical models are formulated considering classical laminated plate theory (CLPT) and first-order shear deformation theory (FSDT), to predict modal and structural acoustic response to incident low frequency plane wave acoustic excitation. The analysis is further developed to consider simply supported adaptive panels that are tuned by local fiber activation, such that a panel composed of elastically uniform sections can be evaluated in a piece-wise fashion.en
dc.description.degreeMaster of Scienceen
dc.format.extentxviii, 210 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-11012008-063243en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-11012008-063243/en
dc.identifier.urihttp://hdl.handle.net/10919/45396en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1990.A642.pdfen
dc.relation.isformatofOCLC# 23591143en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1990.A642en
dc.subject.lcshAcoustical engineeringen
dc.subject.lcshComposite materialsen
dc.subject.lcshSound -- Transmissionen
dc.titleStructural acoustic analysis of shape memory alloy hybrid composite panelsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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