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复合材料四结点四边形多层退化壳单元

, PP. 56-62

Keywords: 广义杂交壳单元,变分原理,复合材料多层板壳

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Abstract:

本文提出了一个复合材料四结点四边形多层退化壳单元。单元从修正的Hu-Washizu变分原理导出,独立假设位移场、每层内部应变场和应力场。文中给出了几个复合材料板和壳静力线性问题实例。计算结果表明本文的单元是准确和有效的。

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