Energetic Approach to Large Strain Gradient Crystal Plasticity

Acta Polytechnica

Jan Kratochvíl¹  Martin Kružík¹ 

关键词: energetic solution;    crystal plasticity;    gradient plasticity;    slip system;   

DOI  :  

来源: Czech Technical University in Prague, Faculty of M

【 摘 要 】

We formulate a problem of the evolution of elasto-plastic materials subjected to external loads in the framework of large deformations and multiplicative plasticity. We focus on a spontaneous inhomogenization interpreted as a structuralization process. Our model includes gradients of the plastic strain and of hardening variables which provide a relevant length scale of the model. A simple computational experiment interpreted as a hint of a deformation substructure formation is included.

【 授权许可】

Unknown