failure limit state

Fatigue damage estimation of 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。

The limit state equations of main failure modes are formulated by the increment interval load method.

并提出用区间增量载荷法生成主要失效模式的极限状态方程。

Based on the moment estimation of limit 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。