IMPROVED FORMULATIONS OF QCS6 HYBRID ELEMENT FOR ENHANCING COMPUTATIONAL-EFFICIENCY

被引:4
作者
SZE, KY [1 ]
CHOW, CL [1 ]
CHEN, WJ [1 ]
机构
[1] DALIAN UNIV TECHNOL,DALIAN,PEOPLES R CHINA
关键词
D O I
10.1002/nme.1620310512
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This article discusses two alternative methods of formulating the recently proposed quadrilateral plane element Q(CS6), which is based on a generalized functional with multiple stress fields. The first method is derived by an extended Hu-Washizu Principle with the presence of incompatible modes and enforcement of energy orthogonality, while the second one is established on a non-conventional discrete local stress smoothing. Both methods can be applied to other structural element formulations with enhanced efficiency.
引用
收藏
页码:999 / 1008
页数:10
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