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Postbuckling of non-linear viscoelastic imperfect laminated plates Part II: structural analysis

机译:非线性粘弹性不完善层压板的后屈曲第二部分:结构分析

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摘要

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.
机译:研究了具有非线性粘弹性材料的几何不完美层压板的后屈曲行为。从第一部分获得的应力松弛曲线得出单向层的各种Schapery单积分的弛豫特性。使用Mathematica以系统形式的形式象征性地推导非线性板(von Karman)方程。一阶非线性微分方程。给出并讨论了石墨/环氧树脂交叉层板层压板的数值示例。

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