Vibration analysis of a rectangular composite plate in contact with fluid

Document Type : Research Paper

Authors

1 Applied Design, Mechanical Engineering, K.N,Toosi University of Technology, Tehran, Iran

2 K.N Toosi University

Abstract

In this paper, modal analysis of the fluid-structure interaction has been investigated. Using classical laminated plate theory, a closed form solution for natural frequencies of FSI is extracted. For fluid, homogenous, inviscid and irrotational fluid flow is assumed. Then, a combined governing equation for the plate-fluid system is derived. In order to validate the equations and results, they are compared with results reported in other literatures. The vibration behavior for different plate length to width ratios are also studied. For the forced vibration, three cases; harmonic point load, distributed loading and step pressure loading; are performed and for each case, the time response of plate-fluid system is obtained. Also, frequency response of plate-fluid system has been achieved for harmonic load.

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Main Subjects

References

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Iranian Journal of Mechanical Engineering Transactions of the ISME
Volume 17, Issue 2 - Serial Number 27
September 2016
Pages 67-83

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