TIME-INDEPENDENT CONSTITUTIVE THEORIES FOR CYCLIC PLASTICITY

被引:1434
作者
CHABOCHE, JL
机构
[1] Office Natl d'Etudes et de, Recherches Aerospatiales, Fr, Office Natl d'Etudes et de Recherches Aerospatiales, Fr
关键词
COMPUTER PROGRAMMING - KINEMATICS - MATHEMATICAL TECHNIQUES - Differential Equations;
D O I
10.1016/0749-6419(86)90010-0
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The article is mainly concerned with time-independent plasticity in the range of cyclic loadings. Three different approaches are considered for the description of kinematic behavior: (i) the use of independent multiyield surfaces, (ii) models with two surfaces only, (iii) the so-called 'nonlinear-kinematic hardening rule' defined by a differential equation. The thermo-dynamic framework from which the third approach is derived and the conditions of varying temperature are considered. Connections between the three kinds of models are pointed out. Also, some specific rules to describe cyclic hardening or cyclic softening of the material are proposed. Finally, the limits of the models considered, and the difficulties associated with their practical use and their implementation in computer codes are discussed in detail.
引用
收藏
页码:149 / 188
页数:40
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