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Issue:
QUASI-CONFORMING SEMILOOF AND LOOF SHALLOW SHELL ELEMENTS
Author(s):
Liu Hong Chen Wanji
Pages:
259
-
263
Year:
1992
Issue:
3
Journal:
Chinese Journal of Solid Mechanics
Keyword:
quasi-conforming element method
;
shallow shell finite element
;
SemiLoof element
;
Abstract:
<正> 1 前言目前工程上对任意壳结构分析常用的平板壳元和扁壳元存在着一个问题:如果一个结点周围的单元共面或近似共面,则对应垂直这个面的法向转角θ_N 的刚度是零或近似为零,这时若θ_N 没有被约束住,则结构刚度阵是奇异的,造成了求解困难.现有的一些解
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