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提出了有限元分析抽象模型的概念，并给出了建立抽象模型的自动分割算法，“特殊内环”的引入使网络单元边与属性边的“交叉”现象得以避免，完全实现了基于抽象模型的二维有限元网络全自动生成，从而使有限元的全自动建模成为现实。
The concept of finite element analysis of abstract model is proposed and an automatic segmentation algorithm for constructing abstract model is given. The introduction of “special inner loop” avoids the phenomenon of “crossing” between network edge and attribute edge, and fully implements the algorithm based on abstract model Of the two-dimensional finite element network generated automatically, so that fully automated finite element modeling become a reality.