Abstract
A theoretical analysis is presented for the post-buckling behavior of simply supported crossply laminated plates without initial imperfection subjected to in-plane biaxial compression. A method based on the second variation of total potential energy is then proposed for evaluating the stability of the post-buckling equilibrium state and the inevitable secondary buckling is derived analytically. Numerical results are obtained for carbon-epoxy composite square plates. The effects of the average axial strain, post-buckling deflection, biaxial compressive ratio are illustrated graphically and discussed.
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Schedule a callMore From: Journal of the Society of Materials Science, Japan
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