弹塑性问题线性互补方程的凝缩解法

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名

邮箱

手机号码

标题

留言内容

验证码

A Condensed Method for Linear Complementary Equations of Elasto-Plastic Problems

Department of Engineering Mechanies, Dalian University of Science and Technology, Dahan 116023, P. R. China

摘要: 本文提出了将由变分不等方程导出的弹塑性问题的线性互补方程采用凝缩求解的方法,在避免了迭代计算所节省的时间之外又进一步大大节省了计算时间,极大地提高了对大型结构进行弹塑性分析的效率。
- 变分不等方程 /
- 弹塑性 /
- 线性互补方程 /
- Lemke算法
Abstract: This paper presents a condensed method for linear complementary equations of elasto-plastic problems derived from the variational inequations The present method cuts down computing time enormously and greatly promotes the efficiency of the elasto-plastic analvsis for large scale structures.
- variational inequations /
- elasto-plasticity /
- linear complementaryequations /
- Lemke algorithm

[1]	Sha Desong,Sun Huanchun,Zhang Zongding and Yin Fuxin,A variational inequality principle in solid mechanics and application in problems,Communications in Applied Numerical Methods.physically nonlinear 6(1990),35-45.
[2]	孙焕纯,自由一移动边界问题发展概况及其一类虚能量不等式和弱解.山东工程学院学报,5(2)(1991).
[3]	张柔雷等,参变量最小势能原理的有限元参数二次规划解,计算结构力学及其应用,4(1)(1987),1-11.
[4]	任其全.弹塑性有限元分析的凝缩法,航空学报,6(6)(1985),590- 596.
[5]	陈铁云等.矩阵更新法在平面应力问题弹一塑性有限元分析中的应用,上海力学.3(2)(1982),1-16.
[6]	Y,Yamada,et.al.,Plastic stress-strain matrix snd its application for the solution of elastic-plastic problems by the finite element method,Int,I Mech,Sci.,10(1968),348-354.
[7]	G,Duvaut and J.L.Lions,Les Inequatsons en Mecanique et en Physique,王耀东译.《力学和物理学中的变分不等方程》.科学出版社(1987).

点击查看大图