Improved implementation of an algorithm for non-linear isotropic/kinematic hardening in elastoplasticity

被引：0
|
作者：
Mahnken, R [1 ]
机构：
[1] Univ Hannover, Inst Baumech & Numer Mech, D-30167 Hannover, Germany
来源：
COMMUNICATIONS IN NUMERICAL METHODS IN ENGINEERING | 1999年 / 15卷 / 10期
关键词：
non-linear isotropic and kinematic hardening; implicit integration; one-dimensional local iteration; linearization;
D O I：
10.1002/(SICI)1099-0887(199910)15:10<745::AID-CNM288>3.0.CO;2-R
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this article a modification of an algorithm by Doghri (1993) for incorporating isotropic and kinematic hardening effects in von Mises elastoplasticity is proposed, whereby the discretized rate equations are reduced to a one-dimensional problem. The resulting relations for linearization of this problem and of the global equilibrium equations are obtained in a straightforward manner, which avoids inversion of second-order tensors. A numerical example illustrates the second-order convergence rate typical for the Newton method. Copyright (C) 1999 John Wiley & Sons, Ltd.
引用
收藏
页码：745 / 754
页数：10
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