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Application of the hyper-singular integral equation method to a three-dimensional mixed-mode crack perpendicular to the bi-materiai interface
Author(s): 
Pages: 269-272,277
Year: Issue:  2
Journal: CHINESE JOURNAL OF COMPUTATIONAL MECHANICS

Keyword:  应力强度因子双材料裂纹超奇异积分方程有限部积分;
Abstract: 利用双材料位移基本解和Somigliana公式,将三维体内含垂直于双材料界面混合型裂纹问题归结为求解一组超奇异积分方程.使用主部分析法.通过对裂纹前沿应力奇性的分析.得到用裂纹面位移问断表示的应力强度因子的计算公式,进而利用超奇异积分方程未知解的理论分析结果和有限部积分理论,给出了超奇异积分方程的数值求解方法.最后.对典型算例的应力强度因子做了计算.并讨论了应力强度因子数值结果的收敛性及其随各参数变化的规律.
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