The load-time-history of parts was obtained by integrating finite element method (FEM) and multibody dynamics simulation, then its fatigue life was predicted by combining FEM and fatigue calculation.

• 结合有限元方法和多体动力学仿真分析获得部件的工作载荷历程，然后通过有限元方法和疲劳分析联合求解，预测部件的疲劳寿命。