| A PRECISE SINGULAR FINITE ELEMENT FOR CRACK ANALYSIS |
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| 作者姓名： | 王燕群 张敬宇 |
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| 摘 要： | The multi-variable finite element algorithm based on the generalized Galerkin’smethod is more flexible to establish a finite element model in the continuum mechanies.Byusing this algorithm and numerical tests a new singular finite element for elasto-plasticfracture analysis has been formulated.The results of numerical tests show that the newelement possesses high accuracy and good performance.Some rules for formulating amulti-variable singular finite element are also discussed in this paper.
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| 收稿时间： | 28 August 1989 |
A precise singular finite element for crack analysis |
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| Wang Yan-qun,Zhang Jing-yu.A PRECISE SINGULAR FINITE ELEMENT FOR CRACK ANALYSIS[J].Applied Mathematics and Mechanics(English Edition),1990,11(10):995-1000. |
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| Authors: | Wang Yan-qun Zhang Jing-yu |
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| Institution: | Tianjin University. Tianjin |
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| Abstract: | The multi-variable finite element algorithm based on the generalized Gulerkin's method is more flexible to establish a finite element model in the continuum mechanics. By using this algorithm and numerical tests a new singular finite element for elasto-plastic fracture analysis has been formulated. The results of numerical tests show that the new element possesses high accuracy and good performance. Some rules for formulating a multi-variable singular finite element are also discussed in this paper. |
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| Keywords: | multi-variable finite element model singular Unite element J-integral |
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