The stress field can be obtained from complex stressfunction in the presence of conformal mapping.
这里，平面的应力场是借助于保角映射的方法通过复变应力函数得到的。
2
Using difference method, numerical solutions of stressfunction of the discrete points can be obtained.
利用差分法可以求出自由扭转截面内各离散点应力函数的数值解。
3
In this article a solution is found of the stress intensity factors in five cases. The solution is based on Airy stressfunction and the method of weighted residuals.