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Numerical simulations of subsonic aeroelastic behavior and flutter suppression by active control

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dc.contributor.authorLuton, J. Alanen
dc.contributor.committeechairMook, Dean T.en
dc.contributor.committeememberNayfeh, Ali H.en
dc.contributor.committeememberHendricks, Scott L.en
dc.contributor.departmentEngineering Mechanicsen
dc.date.accessioned2014-03-14T21:31:59Zen
dc.date.adate2010-03-17en
dc.date.available2014-03-14T21:31:59Zen
dc.date.issued1991-12-15en
dc.date.rdate2010-03-17en
dc.date.sdate2010-03-17en
dc.description.abstractA method for predicting the unsteady, subsonic, aeroservoelastic response of a wing has been developed. The air, wing, and control surface are considered to be a single dynamical system. All equations are solved simultaneously in the time domain by a predictor-corrector method. The scheme allows nonlinear aerodynamic and structural models to be used and subcritical, critical, and supercritical aeroelastic behavior may be modeled without restrictions to small disturbances or periodic motions. A vortex-lattice method is used to model the aerodynamics. This method accounts for nonlinear effects associated with high angles of attack, unsteady behavior, and deformations of the wing. The vortex-lattice method is valid as long as separation or vortex bursting does not occur. Two structural models have been employed: a linear model and a nonlinear model which accounts for large curvature. Both models consider the flexural-torsional motion of an inextensional wing.en
dc.description.degreeMaster of Scienceen
dc.format.extent115 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-03172010-020348en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-03172010-020348/en
dc.identifier.urihttp://hdl.handle.net/10919/41681en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1991.L876.pdfen
dc.relation.isformatofOCLC# 25490688en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1991.L876en
dc.subject.lcshAeroelasticityen
dc.subject.lcshFlutter (Aerodynamics)en
dc.titleNumerical simulations of subsonic aeroelastic behavior and flutter suppression by active controlen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineEngineering Mechanicsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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