介绍了一种预测受多轴交变载荷工程构件的低周疲劳寿命的方法。
A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading.
噪声载荷是一种高频、宽带随机载荷，在低循环疲劳寿命预测中被广泛采用的时域计数法很难直接利用。
Sonic loading is a high frequency, broadband random process. Basic cycle counting methods, which are prevalently used in time domain, are difficult to be applied.
结果表明，变幅载荷下疲劳寿命的预测结果和模拟结果均服从对数正态分布，且两者符合很好。
The test results show that the predicting fatigue life under variable amplitude loading follow the log normal distribution and agree well with simulation test results.
应用推荐