THE PATCH TEST CONDITION IN CURVILINEAR COORDINATE SYSTEM - FORMULATION AND APPLICATION

被引：0
|
作者：
CHENG, YK [1 ]
WU, CC [1 ]
机构：
[1] UNIV SCI & TECHNOL CHINA,DEPT MODERN MECH,HEFEI 230026,PEOPLES R CHINA
来源：
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY | 1993年 / 36卷 / 01期
关键词：
PATCH TEST CONDITION (PTC); CURVILINEAR COORDINATE SYSTEM; AXISYMMETRICAL FORM OF PTC; SPURIOUS SHEAR STRESS;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The constant stress patch test condition has widely been studied in terms of Cartesian coordinates' However, such kind of conditions cannot be used for curvilinear coordinates. In this paper, certain forms of the patch test are established in terms of the general and the orthogonal curvilinear systems respectively. For the axisymmetric problem, the related patch test condition is formulated and used to construct an axisymmetric incompatible element. In addition, some new approaches to avoid spurious shear stress are presented.
引用
收藏
页码：62 / 73
页数：12
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