Aeroelastic Analysis of Membrane Wings

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dc.contributor.authorBanerjee, Soumitra Pinaken
dc.contributor.committeechairPatil, Mayuresh J.en
dc.contributor.committeememberDevenport, William J.en
dc.contributor.committeememberKapania, Rakesh K.en
dc.contributor.departmentAerospace and Ocean Engineeringen
dc.date.accessioned2014-03-14T20:44:49Zen
dc.date.adate2007-12-04en
dc.date.available2014-03-14T20:44:49Zen
dc.date.issued2007-08-22en
dc.date.rdate2007-12-04en
dc.date.sdate2007-09-05en
dc.description.abstractThe physics of flapping is very important in the design of MAVs. As MAVs cannot have an engine that produces the amount of thrust required for forward flight, and yet be light weight, harnessing thrust and lift from flapping is imperative for its design and development. In this thesis, aerodynamics of pitch and plunge are simulated using a 3-D, free wake, vortex lattice method (VLM), and structural characteristics of the wing are simulated as a membrane supported by a rigid frame. The aerodynamics is validated by comparing the results from the VLM model for constant angle of attack flight, pitching flight and plunging flight with analytical results, existing 2-D VLM and a doublet lattice method. The aeroelasticity is studied by varying parameters affecting the flow as well as parameters affecting the structure. The parametric studies are performed for cases of constant angle of attack, plunge and, pitch and plunge. The response of the aeroelastic model to the changes in the parameters are analyzed and documented. The results show that the aerodynamic loads increase for increased deformation, and vice-versa. For a wing with rigid boundaries supporting a membranous structure with a step change in angle of attack, the membrane oscillates about the steady state deformation and influence the loads. For prescribed oscillations in pitch and plunge, the membrane deformations and loads transition into a periodic steady state.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-09052007-111106en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-09052007-111106/en
dc.identifier.urihttp://hdl.handle.net/10919/34930en
dc.publisherVirginia Techen
dc.relation.haspartBanerjee_Thesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectFlapping Wingsen
dc.subjectVortex lattice methoden
dc.subjectmembranesen
dc.subjectMAVen
dc.subjectAeroelasticityen
dc.titleAeroelastic Analysis of Membrane Wingsen
dc.typeThesisen
thesis.degree.disciplineAerospace and Ocean Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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