With the welding spot fatigue lifetime pre-estimation method, by combination of the finite element analysis and stress calculation, the welding spot fatigue damage under actual load can be calculated.
采用焊点疲劳寿命预估方法，通过有限元分析并结合应力计算，即可计算出实际载荷工况下的焊点疲劳损伤。
2
The imbedded CAD object oriented finite element method proposed in this paper can combine the finite element analysis with pre processing and the post processing well.
采用内嵌CAD的面向对象有限元设计方法可以很好地把有限元科学计算和前、后处理技术结合起来。
3
Based on the finite element analysis (FEA) model of steel tube scaffold couplers, the corresponding connection of scaffold couplers and pre-load of slide wedge have been discussed.