In this paper, a multi-surface anisotropic constitutive model is proposed for clayey soils, based on bounding surface theory and classical critical state-based model. the model, in addition to volumetric hardening law, rotational rule also incorporated into formulation with non-associated flow rule. The uses plasticity produce more realistic representation of nonlinear behavior clays high overc...

Efficient and accurate simulation of the deformations in anisotropic metallic sheets requires a constitutive model and an accompanying algorithm at large strains which take into account the anisotropy of both the elastic and plastic material behaviors, as well as their evolution with plastic strains. Recently we proposed such a constitutive model based on continuum energy considerations, the Le...

A microscopic framework for developing phenomenological constitutive models was recently developed for granular materials. The plastic strains are computed from relative sliding and rolling of particles, and the resulting microscopic theory is called the sliding-rolling theory. Within this framework, a phenomenological constitutive model was then developed to describe the anisotropic stress-str...

The damage constitutive model is of great significance to research the stress-strain relationship and evolution rock under loading in engineering. In order investigate effect anisotropic characteristic on evolution, a statistical true triaxial condition was developed. this study, plane which existed perpendicular coordinate axis extracted from representative volume element (RVE) rock. assumed b...