在区域的两个不同部分分别采用协调元和非协调元来研究二阶椭圆问题。

The second order elliptic problem is studied by using conforming finite element and nonconforming finite element in the different parts of the area respectively.

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并通过对广义自由度施加一定约束，证明了协调等参元与非协调元之间存在的对应性。

The correlation between compatible and incompatible isoparametric elements was proved by applying some restrictions to the generalized degrees of freedom.

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本文导出一种等参协调元位移函数的新的表示方法，在此基础上建立起了构造等参非协调元的新方法。

A new method to express the displacement field of isoparametric compatible element is presented in this paper, based on it a new method for formulation of incompatible finite elements is developed.

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