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

被引：0
|
作者：
Hans B. Mühlhaus
Jingyu Shi
Louise Olsen-Kettle
Louis Moresi
机构：
[1] The University of Queensland,School of Earth Sciences
[2] Monash University,School of Geosciences, School of Mathematical Sciences
来源：
Acta Geotechnica | 2011年 / 6卷
关键词：
Cosserat continuum; Double slip; Flow rule; Non-coaxial;
D O I：
暂无
中图分类号：
学科分类号：
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.
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页码：219 / 229
页数：10
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