| 一种岩石断裂韧度试样应力强度因子的三维边界元法标定 |
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| 引用本文： | 王启智,鲜学福.一种岩石断裂韧度试样应力强度因子的三维边界元法标定[J].应用力学学报,1992(4). |
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| 作者姓名： | 王启智 鲜学福 |
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| 作者单位： | 重庆大学
(王启智)，重庆大学(鲜学福) |
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| 摘 要： | 用三维边界元法(BEM)标定了一种岩石断裂韧度试样的柔度,求出了这种试样的平均无量纲应力强度因子(SIF),并得到了对应于最大载荷时的临界裂纹长度和平均无量纲SIF的最小值.
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| 关 键 词： | 应力强度因子 边界单元法 岩石断裂韧度 |
Three-Dimensional Boundary Element Calibration of Stress Intensity Factors for a Fracture Toughness Specimen of Rock |
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| Wang Qizhi Xian Xuefu.Three-Dimensional Boundary Element Calibration of Stress Intensity Factors for a Fracture Toughness Specimen of Rock[J].Chinese Journal of Applied Mechanics,1992(4). |
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| Authors: | Wang Qizhi Xian Xuefu |
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| Institution: | Chongging University |
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| Abstract: | In this paper, three-dimensional boundary element method was used in the calibration of compliance for a fracture toughness specimen of rock,average dimensionless stress intensity factor for this specimen was obtained,the critical crack length and minimum value of average dimensionless stress intensity factor corresponding to the maximum load were derived. |
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| Keywords: | stress intensity factor (SIF) boundary element method (BEM) fracture toughness of rock |
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