Plastic limit load of viscoplastic thick-walled cylinder and spherical shell subjected to internal pressure is investigated analytically using a strain gradient plasticity theory.
基于应变梯度塑性理论，分析了内压作用下厚壁圆筒和球壳的塑性极限荷载。
2
An elastic viscoplastic model is used to analyse stress and strain fields at the tip of a propagating crack under antiplane shear.
弹性-粘塑性模型对反平面剪切扩展裂纹尖端的应力应变场进行了分析。
3
Under the instantaneous strain and yield limit calculated, judgement rule about viscoelastic and viscoplastic is established.