| 含偏轴裂纹的三维有限大体应力强度因子能量差率法封闭解 |
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| 引用本文： | 王奇志,张行. 含偏轴裂纹的三维有限大体应力强度因子能量差率法封闭解[J]. 航空学报, 1996, 17(Z1): 91-94 |
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| 作者姓名： | 王奇志 张行 |
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| 作者单位： | 北京航空航天大学, 北京, 100083 |
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| 摘 要： | 采用能量差率方法，首次导出含偏轴裂纹三维有限大体应力强度因子封闭解。根据此方法，可充分利用二维结果解决三维问题。由此所得解答退化到对称情况时与现有结果符合得很好。同时，本方法计算效率极高
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| 关 键 词： | 偏轴裂纹 三维有限大体 能量差率 应力强度因子 封闭解 |
| 收稿时间： | 1996-01-25 |
| 修稿时间： | 1996-04-25 |
CLOSED FORM SOLUTION OF STRESS INTENSITY FACTORS OF THREE DIMENSIONAL FINITE BODIES CONTAINING INCLINED EMBEDDED CRACKS BY ENERGY DIFFERENCE RATE METHOD |
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| Wang Qizhi,Zhang Xing. CLOSED FORM SOLUTION OF STRESS INTENSITY FACTORS OF THREE DIMENSIONAL FINITE BODIES CONTAINING INCLINED EMBEDDED CRACKS BY ENERGY DIFFERENCE RATE METHOD[J]. Acta Aeronautica et Astronautica Sinica, 1996, 17(Z1): 91-94 |
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| Authors: | Wang Qizhi Zhang Xing |
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| Affiliation: | Beijing University of Aeronautics and Astronautics,Beijing,100083 |
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| Abstract: | An energy difference rate method (EDRM) is applied to establish a closed form solution (CFS) about stress intensity factor (SIF) of three dimensional finite bodies containing inclined embedded cracks. According to EDRM, two dimensional results of SIF can be utilized sufficiently to solve the three dimensional problems of SIF. The results given by this method agree with the generally recognized ones satisfactorily when the cases degenerate into symmetric ones. Furthermore, systematical results of three dimensional SIF can be obtained by EDRM with high computational efficiency. |
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| Keywords: | inclined embedded crack three dimensional finite boby energy difference rate stress intensity factor closed form solution. |
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