Crack propagation by manifold and singular boundary element method

被引：0
|
作者：
Zhang, GX [1 ]
Sugiura, Y [1 ]
Hasegawa, H [1 ]
Chen, FQ [1 ]
机构：
[1] INA Corp, River Technol Dept, Tokyo, Japan
来源：
COMPUTATIONAL MECHANICS: TECHNIQUES AND DEVELOPMENTS | 2000年
关键词：
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A second-order manifold method has been developed and is described. By means of the manifold method and a singular boundary element method proposed by the author, the failure process of a structure can be numerically analyzed. Mohr Coulomb's law is employed as a criterion for new crack initiation, and maximum circumferential stress theory is used as criterion for the first and mixed mode (opening-shearing and closing-shearing) propagation of existing cracks. Comparison of the computed stress intensity factor with results obtained via the collocation method demonstrates the high predictive accuracy of the present method. Examples of our present method are presented.
引用
收藏
页码：61 / 68
页数：8
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