A generalized mixed isotropic-kinematic hardening plastic model coupled with anisotropic damage for sheet metal forming

被引：15
|
作者：
Chow, CL [1 ]
Yang, XJ [1 ]
机构：
[1] Univ Michigan, Dept Mech Engn, Dearborn, MI 48128 USA
来源：
INTERNATIONAL JOURNAL OF DAMAGE MECHANICS | 2004年 / 13卷 / 01期
关键词：
damage; isotropic hardening; anisotropic kinematic hardening; anisotropic plasticity; LS-DYNA3D; sheet metal forming;
D O I：
10.1177/1056789504039258
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper presents a generalized mixed isotropic-kinematic hardening plastic model coupled with anisotropic damage for sheet metal forming. A nonlinear anisotropic kinematic hardening is developed. For the predication of limit strains at localized necking in stamping under complex strain history, the model and its associated damage criterion for localized necking are established and implemented into LS-DYNA3D by compiling it as a user subroutine. The finite element simulation of LS-DYNA3D based on the present model is carried out. The location of localized necking for sheet metal forming has been successfully identified.
引用
收藏
页码：81 / 101
页数：21
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