Four-node degenerated shell element and rigid shell element are used in our FEM model.
四结点蜕化壳单元和刚体壳单元分别用来建立权和模具的有限元模型；
In this paper, a degenerated beam element is developed, evolving from a bilinear degenerated shell element.
从双线性退化板壳单元出发，演绎推导出了一种可以应用于空间有限元分析的退化梁单元。
Numerical examples demonstrate that the four node degenerated shell element proposed in this article has excellent performance and can avoid all kinds of locking problems.
数值结果表明，构造的四结点退化壳元拥有很好的性能，可避免各种自锁问题。
A dynamic explicit finite element method is used to pipe bend forming processes on bender in this paper. The degenerated shell element and co-rotational coordinate system are employed.
采用拖带坐标系下的退化壳单元，以及动态显式有限元方法求解管材在弯管机上的弯曲成型问题。
A dynamic explicit finite element method is used to pipe bend forming processes on bender in this paper. The degenerated shell element and co-rotational coordinate system are employed.
采用拖带坐标系下的退化壳单元，以及动态显式有限元方法求解管材在弯管机上的弯曲成型问题。
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