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中文摘要：
在文献[1]建立的广义平面矩形单元的基础上,建立了平面4节点广义等参单元,并进行了深入研究,包括分片试验、单元的变形模态以及形函数的影响等。通过典型算例,对单元的性能进行了检验,数值结果表明,常规情况下建立的广义等参单元较传统单元具有更高的计算精度。
英文摘要：
Based on the generalized rectangular element constructed in our previous work[1],a plane 4 node generalized isoparametric element is developed.The patch test,deformation model of the element and influence of the shape functions,etc,are studied in more details.Typical numerical examples are given to test the basic properties of the element and the results show that generally the new element has more accuracy than the conventional element.
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