根据随机振动试验的有关理论，确定产品局部应变载荷的概率密度函数。

The probability density function of partial strain loading of product is defined in accordance with the relevant theory of random vibration test.

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应用随机循环应变载荷-强度干涉模型，建立了基于应变的疲劳可靠性分析新方法。

A new method for strain-based fatigue reliability analysis is constructed by considering interference between the random fatigue strain applied and capacity histories.

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该方法以测量的应变值为基础，由拟合的曲线方程计算接头载荷，并与试验时施加的总载荷对比。

In this method, based on the measured strain values, the joint load is calculated by the fitted curve equation and compared with the total load applied during test.

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