Domain decomposition based contact solver

被引：0

作者：

Dobias, J. ^{[1
]}

Ptak, S. ^{[1
]}

Dostal, Z. ^{[2
]}

Vondrak, V. ^{[2
]}

机构：

[1] Inst Thermomech, Prague, Czech Republic

[2] Univ Ostrava, Ostrava, Czech Republic

来源：

COMPUTER METHODS AND EXPERIMENTAL MEASUREMENTS FOR SURFACE EFFECTS AND CONTACT MECHANICS VIII | 2007年 / 55卷

关键词：

contact; domain decomposition; non-linear Lagrange multipliers; finite element method;

D O I：

10.2495/SECM070201

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The paper is concerned with the application of a new variant of the FETI domain decomposition method called the Total FETI to the solution of contact problems by the finite element method. The basic idea is that both the compatibility between adjacent sub-domains and Dirichlet boundary conditions are enforced by the Lagrange multipliers with physical meaning of forces, while the displacements are eliminated. We introduce the Total FETI technique to solve the equations and inequalities governing the equilibrium of system of bodies in contact. Moreover, we show implementation of the method into a code which treats the material and geometric non-linear effects. Numerical experiments were carried out with our in-house general purpose package PMD.

引用

页码：207 / +

页数：3

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