Second-order locking-free nonconforming elements for planar linear elasticity

被引：10
|
作者：
Chen, Shaochun [2 ]
Ren, Guobiao [2 ]
Mao, Shipeng [1 ]
机构：
[1] Chinese Acad Sci, Acad Math & Syst Sci, Inst Computat Math, LSEC, Beijing 100190, Peoples R China
[2] Zhengzhou Univ, Dept Math, Zhengzhou 450052, Peoples R China
来源：
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 2010年 / 233卷 / 10期
关键词：
Elasticity problem; Locking-free; Nonconforming finite element; FINITE-ELEMENT; INCOMPRESSIBLE ELASTICITY; STOKES-FLOW; EQUATIONS;
D O I：
10.1016/j.cam.2009.11.001
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we present two nonconforming finite elements for the pure displacement planar elasticity problem. Both of them are locking-free and have two order of convergence. Some numerical results attest the validity of our theoretical analysis. (C) 2009 Elsevier B.V. All rights reserved.
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页码：2534 / 2548
页数：15
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