提出了一个考虑应力集中和疲劳极限影响的缺口件频域随机振动疲劳寿命估算方法。
A frequency domain method for predicting the fatigue life of notched specimens under random vibration loading is presented.
这一循环参数分析和疲劳寿命估算方法为典型机翼下壁板结构的疲劳寿命估算建立了基础。
Through the cyclic parameter analysis and the method of fatigue life estimation, a basis for fatigue life estimation of typical lower-wing structure is established.
本文提出了一种新的钢轨疲劳寿命的可靠度估算方法，使可靠性分析第一次进入钢轨的寿命估算。
This paper proposes a new estimating method which, for the first time. introduces reliability analysis into the life estimation of railway rails.
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