Noninear vibration of hybrid composite plates on elastic foundations

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Title:	Noninear vibration of hybrid composite plates on elastic foundations
Authors:	Chen, WR (Chen, Wei-Ren) Chen, CS (Chen, Chun-Sheng) Yu, SY (Yu, Szu-Ying)
Contributors:	Dept Mech Engn
Keywords:	initial stress Winkler foundation Pasternak foundation hybrid composite plate
Date:	2011-02-25
Issue Date:	2013-01-25 09:57:28 (UTC+8)
Abstract:	In this paper, nonlinear partial differential equations of motion for a hybrid composite plate subjected to initial stresses on elastic foundations are established to investigate its nonlinear vibration behavior. Pasternak foundation and Winkler foundations are used to represent the plate-foundation interaction. The initial stress is taken to be a combination of pure bending stress plus an extensional stress in the example problems. The governing equations of motion are reduced to the time-dependent ordinary differential equations by the Galerkin's method. Then, the Runge-Kutta method is used to evaluate the nonlinear vibration frequency and frequency ratio of hybrid composite plates. The nonlinear vibration behavior is affected by foundation stiffness, initial stress, vibration amplitude and the thickness ratio of layer. The effects of various parameters on the nonlinear vibration of hybrid laminated plate are investigated and discussed.
Relation:	STRUCTURAL ENGINEERING AND MECHANICS 卷: 37 期: 4 頁數: 367-383
Appears in Collections:	[機械工程系暨機械工程學系數位機電研究所] 期刊論文

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