改进方法包括：提出应力修正系数概念和一种适用于轮盘榫槽结构的理论应力集中系数确定方法，以及应力比修正方法。
It includes the concept of stress correction coefficient, a new method to determine the stress concentration factor of mortise of a disk and a new method for correcting the stress ratio.
本书内所提到的全部应力集中系数都是几何的或纯理论值。
All stress concentration factors so far presented in this book discussed the geometric or full theoretical values.
理论计算部分运用大型通用有限元软件ANSYS，对管节点进行了应力分析并计算了热点应力及应力集中系数。
In the part of theory calculation, utilize general FEM software ANSYS, calculate the tubular joints, then summarize the hot-spot location and the SCF of joints.
此外，孔沿座标轴及沿原孔边缘位置变化对应力集中系数的影响被详细研究，从而为合理设计炉壳开孔提供了理论依据。
The 3-D curve of stress concentration factor with the various location of opening hole was obtained. In addition, both the effect of various location of hole along the coordinate axis and …
此外，孔沿座标轴及沿原孔边缘位置变化对应力集中系数的影响被详细研究，从而为合理设计炉壳开孔提供了理论依据。
The 3-D curve of stress concentration factor with the various location of opening hole was obtained. In addition, both the effect of various location of hole along the coordinate axis and …
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