Then, the equivalent crack region can be determined based on the CT physics theory.
根据CT物理原理确定等效裂纹区域。
The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation.
预应变可以延长疲劳裂纹形成寿命，提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值；
The energy release rate and failure criterion for mixed mode are investigated by means of the method of equivalent linear crack extension.
利用当量直线裂纹扩展法研究复合型裂纹的能量释放率及相应的断裂判据。
The research focuses on the defect equivalent analytical methods in building steel structure butt weld fusion and the effects of non-crack-type defects on the normal use of butt weld fusion.
本课题研究了建筑钢结构熔透对接焊缝中缺陷当量的分析方法和非裂纹类缺陷对焊缝正常使用的影响。
The numerical simulation results show that the equivalent stress intensity factors KIeq relates with the engine firing order, their peak value rises while the crack depth increases.
计算结果表明，等效应力强度因子与发动机点火顺序密切相关，其峰值随裂纹深度的增加而增大。
The critical crack sizes of different materials in H_2S environment were thus figured out, and the curves with working pressures and equivalent stress to critical crack size were plotted.
由此确定了不同材料在不同环境溶液中的临界裂纹尺寸，得到了气瓶工作压力及等效应力与临界裂纹尺寸的关系曲线。
The results show that the steel JB800 has low weld cold crack sensitivity, despite it has high carbon equivalent.
结果表明，钢材的碳含量低时，可以在较高的碳当量条件下，具有较低的冷裂纹敏感性。
The result show that the size of equivalent initial surface crack is less than 19.7to 22.5 percent of surface corrosion pit size which have the same life.
结果发现，把腐蚀坑等效为具有相同寿命的表面裂纹时，等效表面裂纹的尺寸比对应腐蚀的尺寸小19.7% - 22.5%。
In this paper a model of the equivalent linear spring is proposed for approximately calculating fundamental frequencies of a vibrating shaft with an arbitrary crack.
利用等效线弹簧模型近似计算了含裂纹转动轴的自由振动基频。
Non-linear dynamics characters of a rotor system for an elastic shaft-disk with a crack are examined by introducing the geometric non-linearity and equivalent line-spring model.
本文引入了几何非线性关系和等效线弹簧模型对含裂纹的弹性轴弹性盘转子系统进行非线性动力学分析。
An equivalent method was estabilised on sectional Walker′s formula with help of characteristic crack growth rate…
用分段裂纹扩展速率表达式进行当量折算的方法．并通过实例验证了该方法的可行性，使?。
An equivalent method was estabilised on sectional Walker′s formula with help of characteristic crack growth rate…
用分段裂纹扩展速率表达式进行当量折算的方法．并通过实例验证了该方法的可行性，使?。
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