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

页码：745 / 754

页数：10

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