The objective of this paper is to study the effects of three dimensional constraints on fatigue crack growth under aircraft spectrum loading.
研究裂纹端部三维应力约束、塑性约束和位移约束等对谱载疲劳裂纹扩展的影响。
We can predict the fatigue life of structures under complex spectrum loading by the present model.
用本模型可以计算复杂谱载荷作用下的疲劳裂纹扩展寿命。
The fatigue life of a notched specimen under random loading spectrum is evaluated by means of the present method.
用该方法分析了一个缺口试件在随机谱载下的裂纹形成寿命，结果比常规的有效系数和雨流法更接近试验结果。
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