A rotated nonconforming rectangular mixed element for elasticity

被引：0
|
作者：
Gerard Awanou
机构：
[1] Northern Illinois University,Department of Mathematical Sciences
来源：
Calcolo | 2009年 / 46卷
关键词：
Mixed method; nonconforming finite element; elasticity; 65N30; 74S05;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present a low-order nonconforming mixed element for plane elasticity on rectangular meshes. The 3-dimensional space of rigid body motions is used to approximate the displacement and a 16-dimensional space is used to discretize the space of symmetric tensors. This element may be viewed as the rectangular analogue of the nonconforming Arnold-Winther element and is related to a discrete version of the elasticity differential complex with a nonconforming H2 element related to the rotated Q1 element.
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页码：49 / 60
页数：11
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