step iteration method meaning in English

逐次叠代法

Moreover , based on routine research method on abutment stability , non - linear finite element shear strengthes reducing by step iteration method is put forward in this paper , which is also applied in the analysis of abutment stability of tengzigou arch dam successfully
在此基础上，介绍了非线性有限元强度折减迭代解法，探讨了复杂地基上拱坝整体稳定安全度的评价方法，并应用于藤子沟拱坝稳定安全度评价。