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V.V. Vedeneev and S.V. Shitov, "Flutter of a Periodically Supported Elastic Strip in a Gas Flow with a Small Supersonic Velocity," Mech. Solids. 50 (3), 318-336 (2015)
Year 2015 Volume 50 Number 3 Pages 318-336
DOI 10.3103/S0025654415030085
Title Flutter of a Periodically Supported Elastic Strip in a Gas Flow with a Small Supersonic Velocity
Author(s) V.V. Vedeneev (Institute of Mechanics, Lomonosov Moscow State University, Michurinskii pr. 1, Moscow, 119192 Russia, vasily.vedeneev@mail.ru)
S.V. Shitov (Institute of Mechanics, Lomonosov Moscow State University, Michurinskii pr. 1, Moscow, 119192 Russia, shltov@gmail.com)
Abstract It is assumed in all classical studies of panel flutter that the unsteady pressure of a gas flow can be calculated according to the piston theory. But the piston theory holds only for large Mach numbers and does not cover the region 1<M<2. It was recently shown that, in this range of Mach numbers, there is a region of panel flutter, referred to as single-mode flutter, which differs from the "classical" (coupled) flutter. In the present paper, single-mode flutter is studied numerically for a strip-shaped periodically supported plate. The boundaries of stability are constructed, and the influence of the strip width and the distance between the supports is analyzed.
Keywords panel flutter, plate flutter, single-mode flutter, single-degree-of-freedom flutter
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Received 04 March 2013
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