Based on the moment estimationoflimit state function for calculation of failure probability, a new reliability sensitivity analysis method is presented.
基于极限状态函数矩估计的失效概率计算，提出一种新的可靠性灵敏度分析方法。
2
Fatigue damage estimationof the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.
疲劳寿命的计算采用断裂力学方法，建立疲劳裂纹扩展模型和失效模式的极限状态方程。
3
The conditions for the existence of periodical solutions, and the estimationof the perimeter and relative position of the limit cycles are obtained.