损伤塑性模型中非弹性应变问题

pzzhen

请问abaqus中混凝土损伤塑性模型中非弹性应变如何定义的?非弹性应变同塑性应变有何区别？

zolakok

非弹性应变还包括体积膨胀之类的变形，塑性应变 就是材料的塑性变形。

一般在混凝土抗拉本构的定义上，会用到非弹性应变，因为会有微裂纹之类的应变产生，不全是塑性应变

blueshell

Abaqus Analysis User's Manual
19.6.3 Concrete damaged plasticity
The cracking strain is defined as the total strain minus the elastic strain corresponding to the undamaged material; that is... as illustrated in Figure 19.6.3–3.
The compressive inelastic strain is defined as the total strain minus the elastic strain corresponding to the undamaged material, ..., as illustrated in Figure 19.6.3–6.

zyxie

开裂应变和非弹性应变如何获得？