Stability of parametric vibrations of laminated composite plates

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Title:	Stability of parametric vibrations of laminated composite plates
Authors:	Chen, WR (Chen, Wei-Ren) Chen, CS (Chen, Chun-Sheng) Shyu, JH (Shyu, Jenq-Huey)
Contributors:	Dept Mech Engn
Keywords:	Dynamic stability Bolotin's method Dynamic instability index
Date:	2013-10-25
Issue Date:	2014-02-24 11:47:10 (UTC+8)
Abstract:	The dynamic stability of laminated composite plates subjected to arbitrary periodic loads is studied based on the first-order shear deformation plate theory. The in-plane load is taken to be a combination of periodic biaxial and bending stress. A set of second-order ordinary differential equations with periodic coefficients of Mathieu-Hill type is formed to determine the regions of dynamic instability based on Bolotin's method. Numerical results reveal that the dynamic instability is significantly affected by the modulus ratio, number of layer, static and dynamic load parameters. The effects of various important parameters on the instability region and dynamic instability index are investigated. (C) 2013 Elsevier Inc. All rights reserved.
Relation:	APPLIED MATHEMATICS AND COMPUTATION Volume: 223 Pages: 127-138
Appears in Collections:	[Department of Mechanical Engineering ] journal articles

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