而且奇异单元刚度矩阵中的各元素可以用较简单的分析式表出。

Furthermore, each element in the singular stiffness matrix can be expressed by some more simple analytic formulas.

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研究和讨论了用于RC平面结构分析的各类单元的刚度矩阵。

Research and discussion on the elementary stiffness matrixes of various plane elements for rc structures' finite element analysis.

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给出了包括位移函数、刚度矩阵和荷载矩阵在内的理论分析过程，从而建立了半解析单元法。

Regular functions are set up and semi-analytical element method is constituted. Displacement functions, stiffness matrices and load matrices are presented in details.

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