Structural Models for Flight Dynamic Analysis of Very Flexible Aircraft

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Title: Structural Models for Flight Dynamic Analysis of Very Flexible Aircraft
Authors: Palacios, R
Cesnik, CES
Item Type: Conference Paper
Abstract: Dissimilar analysis models are considered for the large structural deformations of aircraft with high-aspect-ratio composite wings. The different approaches include displacement-based, strain-based, and intrinsic geometrically-nonlinear beam models. Comparisons are made in terms of numerical efficiency and simplicity for integration of full aircraft flexibility in flight dynamics models. An analysis procedure is proposed based on model substructuring with a (linear) modal representation of both fuselage and tail and (nonlinear) intrinsic beam elements for the flexible wings. Copyright © 2009 by Rafael Palacios and Carlos E. S. Cesnik.
Content Version: Published version
Issue Date: 1-Dec-2009
URI: http://hdl.handle.net/10044/1/1457
Publisher Link: http://www.aiaa.org/agenda.cfm?lumeetingid=2047&viewcon=agenda
Presented At: 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 4-7 May 2009, Palm Springs, California, USA
Copyright Statement: Copyright © 2009 by Rafael Palacios and Carlos E. S. Cesnik. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission.
Conference Location: Palm Springs, California, USA
Appears in Collections:Aeronautics



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