notch stress intensity factor 缺口应力强度因子
The stress intensity factor of crack can be calculated from the stress concentration factor of corresponding notch when the boundary condition and other geometric conditions are in the same.
在边界条件和其他几何条件相同时，可以通过切口的应力集中系 数求得相应裂纹问题的应力强度因子。
Our 3D BEM(Boundary Element Method) calculation shows that the larger the notch width is, the bigger the error makes for the dimensionless stress intensity factor.
通过三维边界元计算分析表明，切槽宽度越大，无量纲应力强度因子的标定值就越大；
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