Linear and Geometrically Nonlinear Analysis with 4-Node Plane Quasi-Conforming Element with Internal Parameters

被引：0
作者：
Changsheng Wang
Xiangkui Zhang
Ping Hu
Zhaohui Qi
机构：
[1] Dalian University of Technology,School of Automotive Engineering
[2] Dalian University of Technology,State Key Laboratory of Structural Analysis for Industrial Equipment
[3] Dalian University of Technology,Department of Engineering Mechanics
来源：
Acta Mechanica Solida Sinica | 2015年 / 28卷
关键词：
quasi-conforming; internal parameters; plane element; geometrically nonlinear;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A linear 4-node quadrilateral quasi-conforming plane element with internal parameters is proposed. The element preserves advantages of the quasi-conforming technique, including an explicit stiffness matrix, which can be applied to nonlinear problems. The weak patch test guarantees the convergence of the element. Then the linear element is extended to the geometrically nonlinear analysis in the framework of Total Lagrangian (TL) formulation. The numerical tests indicate that the present element is accurate and insensitive to mesh distortion.
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页码：668 / 681
页数：13
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