有限元分析采用了随动强化模型，并考虑材料瞬态局部应力应变的响应特性。
Kinematic hardening model was used in FEM analysis and the response behaviors of transient local stress strain for material was also considered.
使用随动硬化模型模拟的结果要比使用等向强化模型的更接近于实验结果；
Springback's simulating results by using Bilinear Kinemat Model is closer to the reality than by using Bilinear Isotrop Model;
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