Hydroelastic Instability of Low Aspect Ratio Control Surfaces

[+] Author and Article Information
Michael E. McCormick

Department of Naval Architecture and Ocean Engineering, US Naval Academy, Annapolis, Maryland 21402e-mail: mmccormi@us.na.edu

Luca Caracoglia

Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801e-mail: caracogl@uiuc.edu

J. Offshore Mech. Arct. Eng 126(1), 84-89 (Mar 02, 2004) (6 pages) doi:10.1115/1.1643084 History: Received February 01, 2002; Revised February 01, 2003; Online March 02, 2004
Copyright © 2004 by ASME
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Schematic sketch of the control-surface flutter model
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Notation for the foil at rest
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Quasi-steady circulation correction factor, τ, for rectangular foils, as a function of the aspect ratio 20
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Critical flutter frequency as a function of the static moment (mass imbalance)
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Critical flutter speed as a function of the static moment (mass imbalance)




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