再看MSC.Fatigue的帮助文档的时候,在对模型进行多轴疲劳分析的时候,有一个选项是Surface resolved stress这一项,手册上的解释是:meaning the twomajor principal stresses lie in the plane of the surface with the third principal stress being zero (normal to the surface).然后再利用这个表面分解应力多biaxiality ratio进行比较。请问,这个surface resolved stress选项是计算表面应力张量的吗?