Streamwise vibrations of a plate in a viscous fluid flow in a channel,induced by forced transverse vibrations of the plate |
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Authors: | V B Kurzin |
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Institution: | (1) Department of Mechanical Engineering, Ashikaga Institute of Technology, 268-1 Omae-cho, Ashikaga Tochigi, 326-8558, Japan;(2) Osaka Electro-Communication University, Neyagawa, Japan;(3) Bucknell University, Lewisburg, PA, USA;(4) Mayekawa MFG. Co., Ltd., Tokyo, Japan |
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Abstract: | Aeroelastic vibrations of a plate aligned at a zero angle of attack in a viscous incompressible fluid flow in a channel with
parallel walls are considered within the framework of a plane model. Forced vibrations of the plate in the transverse direction
give rise an unsteady component of the flow friction force, induced by the perturbation of the fluid flow velocity by the
vibrating plate. Under the assumption of the laminar character of the fluid flow, it is demonstrated that this force can excite
streamwise vibrations of the plate if the channel width is small as compared with the plate length; these streamwise vibrations
have the same order as the transverse vibrations of the plate excited by external forces. |
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Keywords: | |
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