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本文通过对有限元位移法协调性问题产生原因的分析,给出了广义协调元的直观解释。并在剖析广义协调元构造机理的基础上,指出这种单元实际上是以Irons的分片检验条件做约束而构造出的一种高效而可靠的非协调单元。
This paper presents an intuitive explanation of the generalized coordination element by analyzing the causes of the coordination problem of the finite element displacement method. Based on the analysis of generalized coordination element construction mechanism, this paper points out that this unit is actually an efficient and reliable non-coordinated unit that is constructed with Irons’s patch test condition.