SUPERCONVERGENCE ANALYSIS OF THE STABLE CONFORMING RECTANGULAR MIXED FINITE ELEMENTS FOR THE LINEAR ELASTICITY PROBLEM

被引：10
|
作者：
Shi, Dongyang [1 ]
Li, Minghao [2 ]
机构：
[1] Zhengzhou Univ, Sch Math & Stat, Zhengzhou 450001, Peoples R China
[2] Tongji Univ, Sch Aerosp Engn & Appl Mech, Shanghai 200092, Peoples R China
来源：
JOURNAL OF COMPUTATIONAL MATHEMATICS | 2014年 / 32卷 / 02期
关键词：
Elasticity; Supercloseness; Global superconvergence; STOKES EQUATIONS; SCHEME;
D O I：
10.4208/jcm.1401-m3837
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we consider the linear elasticity problem based on the Hellinger-Reissner variational principle. An O(h(2)) order superclose property for the stress and displacement and a global superconvergence result of the displacement are established by employing a Clement interpolation, an integral identity and appropriate postprocessing techniques.
引用
收藏
页码：205 / 214
页数：10
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