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边界积分方程法在动态断裂力学中的数值计算研究
引用本文:李越川,杨耀墀.边界积分方程法在动态断裂力学中的数值计算研究[J].应用力学学报,1990,7(1):42-49.
作者姓名:李越川  杨耀墀
作者单位:空军工程学院,空军工程学院
摘    要:本文将D.Nardini和C.A.Brebbia所提出的一种动态边界积分方程新解法应用于动态断裂力学数值计算,对数值实现问题,尤其对数值稳定性及精度问题进行了详细研究,得到了能保证数值稳定性的数值解法,给出了动态断裂力学计算实例,同己有的数值结果比较,表明本文的计算是成功的。

关 键 词:边界积分法  数值计算  动态断裂力学

THE NUMRICAL COMPUIATION STUDY OF BOUNDARY INTEGRAL EQUATION METHOD IN DYNAMIC FRACTURE MECHANICS
Li Yue-chuan Yang Yao-chi.THE NUMRICAL COMPUIATION STUDY OF BOUNDARY INTEGRAL EQUATION METHOD IN DYNAMIC FRACTURE MECHANICS[J].Chinese Journal of Applied Mechanics,1990,7(1):42-49.
Authors:Li Yue-chuan Yang Yao-chi
Institution:Air Force College of Engineering
Abstract:In this paper, the dynamic boundary integral equation procedure proposed by D. Nardini and C. A. Brebbia is used on. numerical computation of dynamic fracture mechanics problems. The numerical implementation, especially its numerical stability and accuracy are studied in detail The numerical stabililty of the method is ensured. Some examples of dynamic fracture mechanics problems is solved by the method and the results agree very well with that in references.
Keywords:Boundary integral equation method  dynamic fracture mechanics  numerical computation  
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