摘要
本文从修正的Hellinger-Reissner变分原理出发,基于杂交/混合有限元及分层有限元法,建立了一种杂交/混合四边形分层壳元,用于分析层合壳结构的非线性稳定问题;对典型层合柱壳结构进行了几何非线性分析,验证了该方法的正确、有效性。
Based on the Hellinger-Reissner principle, hybrid/mixed finite element method and finite layer element method, a hybrid/mixed quadrilateral laminated shell element is constructed. The element is employed to study the nonlinear stability of laminated shells. Numerical results show that the element is effective and workable.
出处
《工程力学》
EI
CSCD
北大核心
2001年第6期24-32,共9页
Engineering Mechanics
