RESEARCH PAPERS: Vibrations Papers

Theory for the Determination of Flutter Speed of a Class of Hydrofoils

[+] Author and Article Information
J. Mahig

Department of Mechanical Engineering, University of Florida, Gainesville, Fla.

J. Eng. Ind 94(1), 76-80 (Feb 01, 1972) (5 pages) doi:10.1115/1.3428158 History: Received May 12, 1971; Online July 15, 2010


A theory is given for the determination of the flutter frequency and speed of a hydrofoil traveling at a constant speed. This work used the work of Sears to determine the fluctuating lift and combined it with the chordwise and transverse drag forces to determine flutter speeds. It is shown that flutter speed is sensitive to the drag coefficient as well as lift curve slopes. The theoretical results obtained are shown compared with an experimental study conducted by Huang.

Copyright © 1972 by ASME
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