Abstract

This paper deals with the large deflection flexural vibration of unsymmetric cross-ply laminated plates which are simply supported at two opposite edges and clamped at the other two edges. Stress-free and movable in-plane boundary conditions are considered. Non-linear frequency is obtained as a function of lamination parameters, material constants, aspect ratio, linear frequency and amplitude of vibration. Non-linear frequency to linear frequency ratio versus amplitude curves are presented for isotropic, glass-epoxy, graphite-epoxy and boron-epoxy plates.

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