To simulate the deform process of metal material by elastoplasticity finite .The coordinate is renewed after each iteration in order to simulate the deform law of elastoplasticity.

• 利用增量有限元理论,对金属材料的变形过程进行模拟。为了模拟工程中塑性变形较大的构件的变形规律,在每个加载步迭代完成后自动实现坐标更新。