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

页码：616 / 619

页数：4

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