以三角形膜单元为基础，推导了精度较高的有限元逆算法。
Based on the triangular membrane element model, a high precision inverse approach with finite element is deduced.
以锥形盆为例，验证了根据有限元逆算法设计的毛料展开程序在毛料展开中的有效性和精确性。
Inverse Approach has been selected to calculate the blank shape and independent finite element program has been developed.
利用有限元方法模拟时，韧性断裂准则既可以应用到完全耦合的弹塑性损伤模型的增量方法中，也可以应用到一步有限元逆算法中。
When adopting FEA to model, DFC could not only apply into incremental approach with a fully coupled elastic and plastic damage model, but to one step inverse approach.
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