A double slip non-coaxial flow rule for viscous-plastic Cosserat materials

被引：3

作者：

Muehlhaus, Hans B. ^{[1
]}

Shi, Jingyu ^{[1
]}

Olsen-Kettle, Louise ^{[1
]}

Moresi, Louis ^{[2
]}

机构：

[1] Univ Queensland, Sch Earth Sci, Brisbane, Qld 4072, Australia

[2] Monash Univ, Sch Geosci, Sch Math Sci, Clayton, Vic 3800, Australia

来源：

ACTA GEOTECHNICA | 2011年 / 6卷 / 04期

基金：

澳大利亚研究理事会;

关键词：

Cosserat continuum; Double slip; Flow rule; Non-coaxial; DEPENDENT VISCOSITY; GRANULAR-MATERIALS; KINEMATIC MODELS; CONVECTION; FORMULATION; SHEARING; DEPTH;

D O I：

10.1007/s11440-011-0148-1

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

We propose a double slip non-coaxial plastic model within the framework of a Cosserat continuum theory. In a Cosserat continuum, a material point possesses the degrees of freedom of an infinitesimal rigid body: two translations and one rotation in 2D. We formulate the plastic model into viscous-plastic constitutive relationships and illustrate the viscous-plastic behaviour of the model by means of numerical solution of a simple shear problem.

引用

页码：219 / 229

页数：11

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