摘要
提出了梁壳垂直组合结构在有限元计算中存在的问题 ,并以几何大变形问题为依托提供了解决该问题的计算原理和有限元方法。数值算例证明了该理论和方法的正确性。该法不仅适用于梁壳组合结构的大变形非线性计算 ,也适用于静动力小变形问题的线弹性分析计算。
The problems in computing beam\|shell\|composed structures with the finite element method are pointed out, and a corresponding solution method is proposed based on the finite deformation theory. Numerical examples show the validity and correctness of the present theory. Not only proper for the nonlinear computation of beam\|shell\|composed structures in large deformation problems, the proposed method is suitable for linear small deformation problems as well.
出处
《航空学报》
EI
CAS
CSCD
北大核心
2001年第3期281-283,共3页
Acta Aeronautica et Astronautica Sinica
关键词
梁
板壳
组合结构
数值模拟
非线性有限元
转动自由度
航空
航天工程
beam
plate and shell
composed structures
numerical simulation
nonlinear finite element
rotation degree of freedom
