改进的反向模拟法采用了一种基于塑性流动理论的本构方程，可以充分考虑应变历史对塑性变形的影响。
The constitutive equation in the present method is based on flow theory of plasticity to consider the loading history, while deformation theory of plasticity in the classical inverse analysis method.
采用损伤边界面，通过规定加荷或反向加荷产生损伤变形，卸荷不产生损伤变形来描述损伤塑性变形。
It is stipulated that damage deformation occurs under loading or inverse loading conditions rather than under unloading condition.
对平面变形的正反向挤压问题建立运动许可的连续速度场并获得上界解析解。
A kinematically admissible continuous velocity field is established and applied to the plane strain in reversible extrusion.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
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