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Transonic aeroelastic analysis including the effects of a nonlinear energy sink

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dc.contributor.author Michael McFarland, D en
dc.contributor.author Beran, PS en
dc.contributor.author Lee, YS en
dc.contributor.author Bergman, LA en
dc.contributor.author Vakakis, AF en
dc.date.accessioned 2014-03-01T02:51:17Z
dc.date.available 2014-03-01T02:51:17Z
dc.date.issued 2007 en
dc.identifier.issn 02734508 en
dc.identifier.uri http://hdl.handle.net/123456789/35447
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-34547503540&partnerID=40&md5=f09a4e9b183cf00dabde7c53535d89c2 en
dc.subject.other Air loads en
dc.subject.other Nonlinear energy sinks en
dc.subject.other Time integration en
dc.subject.other Airfoils en
dc.subject.other Computer program listings en
dc.subject.other Integration en
dc.subject.other Loads (forces) en
dc.subject.other Transonic flow en
dc.subject.other Aerodynamics en
dc.title Transonic aeroelastic analysis including the effects of a nonlinear energy sink en
heal.type conferenceItem en
heal.publicationDate 2007 en
heal.abstract The work reported herein focuses on the extension of a well-established computer program to include the interaction of a nonlinear energy sink (NES) with an aeroelastic structure. We consider an initially linear structure in transonic flow and seek a realistic representation of the air loads acting upon it. For aerodynamic computations in this seed range, we have adapted the CAPTSDv computer program. It is possible to use almost all of the machinery of this program, including the modal representation of the linear primary substructure, while incorporating the equations of motion of the nonlinear attachment and replacing the time integration algorithm with one suited to the resulting state equations. A simple primary structure, a rigid airfoil with its heave and pitch motions restrained by linear springs, was chosen for the first application of this modified code. en
heal.journalName Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference en
dc.identifier.volume 4 en
dc.identifier.spage 3898 en
dc.identifier.epage 3905 en


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