1) modified stress extrapolation method
修正应力外插法
1.
It is found that the errors of stress near the crack tip may be expressed as a simple equation,and the modified stress extrapolation method which assures the high accuracy of K Ⅰ by finite element analysis is proposed.
分析了无限大板中求解应力强度因子的应力外插法的误差原因，发现靠近裂纹尖端的应力误差可以用简单公式近似表达，由此建议用修正应力外插法提高有限元方法求解应力强度因子的精度，并通过二维问题验证了它的有效性。
2) stress extrapolation method
应力外插法
1.
In this study, errors of stress intensity factor K Ⅰ on a crack in infinite plate problem are investigated by stress extrapolation method.
分析了无限大板中求解应力强度因子的应力外插法的误差原因，发现靠近裂纹尖端的应力误差可以用简单公式近似表达，由此建议用修正应力外插法提高有限元方法求解应力强度因子的精度，并通过二维问题验证了它的有效性。
3) modified stress method
修正应力法
4) stress rseversion
应力修正法
5) mean stress correction method
平均应力修正法
1.
In this work,ANSYS Workbench software and S-N curve are used with the mean stress correction method of the Goodman linear model,the Gerber parabola model,the Soderberg linear model and the S-N linear model to analyze the fatigue life of S-shaped bellows under various work conditions,so as to know its fatigue life expectancy for an optimal design if it.
应用ANSYS Workbench(AWE)软件的Fatigue Tool工具箱和S-N曲线,分别用Goodman直线模型、Gerber抛物线模型、Soderberg直线模型和S-N直线模型的平均应力修正法,对S型波纹管进行疲劳寿命分析,得到波纹管在各种工况下的疲劳寿命,从而进行波纹管的优化设计。
6) stress rectification
应力修正
1.
The stress rectification of 8 Nodes isoparameter element and its application in the analysis of wall beam;
平面八节点等参元的应力修正及其在墙梁分析中的应用
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