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Postbuckling of Non-Linear Viscoelastic Imperfect Laminated Plates Part II: Structural Analysis
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| Organization: | Israel Military Industries |
| Department: | Central Laboratory Division |
| Organization: | University of British Columbia, Vancouver, BC, Canada |
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The postbuckling behavior of geometrically imperfect laminated plates with non-linear viscoelastic materials is investigated. The relaxation properties for the various Schapery single-integrals of a unidirectional layer are derived from the stress-relaxation curves obtained in part I/ The non-linear plate (von Karman) equations are derived symbolically using Mathematica in the form of a system of first-order non-linear differential equations. A numerical example of graphite/epoxy cross-ply laminates is presented and discussed.
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