摘要
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。
A composite 4- node quadrilateral degenerated finite element for multilayeredshells is presented in this article. The element is derived based on a modified Hu- Washizuvariational principle with independently assumed displacement,laminate internal strain fieldsand stress fields. The element’s performance for static linear problems of composite platesand shells is evaluated.The computed results show that the present element yields accuratesolutions for the test problems presented.
出处
《复合材料学报》
EI
CAS
CSCD
北大核心
1994年第3期56-62,共7页
Acta Materiae Compositae Sinica
关键词
变分原理
复合材料
多层板壳
generalized hybrid finite element for shells,variational principle,composite multilayered plates and shells
