Localization properties of generalized Drucker-Prager elastoplasticity

被引：15
|
作者：
Liebe, T [1 ]
Willam, K
机构：
[1] Univ Kaiserslautern, LTM, D-67653 Kaiserslautern, Germany
[2] Univ Colorado, Boulder, CO 80309 USA
来源：
JOURNAL OF ENGINEERING MECHANICS-ASCE | 2001年 / 127卷 / 06期
关键词：
Bifurcation (mathematics) - Computational geometry - Failure analysis;
D O I：
10.1061/(ASCE)0733-9399(2001)127:6(616)
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this technical note, we present the bifurcation analysis of a generalized Drucker-Prager formulation. To this end, the elastoplastic localization properties are cast in the form of an elliptical envelope condition in the sigma (N)- tau (N) coordinates of Otto Mohr, whereby, the tangency condition of the localization ellipse and the major principal circle determines the criticality and type of failure mode.
引用
收藏
页码：616 / 619
页数：4
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