Two plane 4-node incompatible elements which can possess explicit element stiffness matrix are constructed as the examples.

作为实例，构造两个可以给出单刚显式的四结点平面非协调新单元。

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Based on the analytical trial functions, a 4-node 8 degrees-of-freedom generalized conforming plane element with internal parameters is developed in this paper.

利用解析试函数法构造一个内参型四结点八自由度广义协调膜元。

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