| 圆盘状共面裂纹群问题的数值计算 |
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| 引用本文： | 欧阳鬯,徐林林.圆盘状共面裂纹群问题的数值计算[J].应用科学学报,1985,3(3):208-216. |
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| 作者姓名： | 欧阳鬯 徐林林 |
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| 作者单位： | 复旦大学 |
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| 摘 要： | 本文对于含有圆盘状共面裂纹群的无限体提出了一种计算方法.基本思想是首先利用圆盘状单裂纹之解以及局部坐标展开法将裂纹群问题化为求解一组线代数方程.通过求解此线代数方程组,最后获得圆盘状共面裂纹群之解.
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| 收稿时间： | 1985-03-07 |
NUMERICAL COMPUTATIONS FOR COPLANAR CIRCULAR DISK-SHAPED CRACKS |
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| OUYANG CHANG,XU LINLIN.NUMERICAL COMPUTATIONS FOR COPLANAR CIRCULAR DISK-SHAPED CRACKS[J].Journal of Applied Sciences,1985,3(3):208-216. |
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| Authors: | OUYANG CHANG XU LINLIN |
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| Institution: | Fudan University |
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| Abstract: | In this paper, a computational method for coplanar disk-shaped cracks within an elastic infinite body is presented. The basic idea is to use the single crack solution and the expansions of the local coordinates to reduce the complicated problem into a set of linear algebraic equations. By solving this set of linear algebraic equations, we could obtain the solution of multi-cracks problem finally. Numerical examples for 2, 3, 4 cracks show that the method presented here is quite workable. Results contained in this paper extend the content of "Handbook of Stress-Intensity Factors" by G. C. Sih. |
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