EVALUATION OF ELASTO-VISCOPLASTIC TANGENT MATRICES WITHOUT NUMERICAL INVERSION

被引：4
|
作者：
SZABO, L
机构：
[1] Inst for Electrical Power Research, Budapest, Hung, Inst for Electrical Power Research, Budapest, Hung
来源：
COMPUTERS & STRUCTURES | 1985年 / 21卷 / 06期
关键词：
ELASTICITY - MATHEMATICAL TECHNIQUES - Matrix Algebra - PLASTICITY - VISCOSITY;
D O I：
10.1016/0045-7949(85)90177-4
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In the cases of implicit or semi-implicit time integrations applied to the finite element solution of elasto-viscoplastic and creep problems, matrix inversion has to be performed to compute the stress increment. The present paper discusses the direct evaluation of the inverse of this constitutive tangent matrix for Perzyna's viscoplastic theory using Mises' yield condition.
引用
收藏
页码：1235 / 1236
页数：2
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