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Investigation of random fatigue life prediction based on artificial neural network
Jie Xu,Chongyang Liu,Xingzhi Huang,Yaolei Zhang,Haibo Zhou,Hehuan Lian 국제구조공학회 2023 Steel and Composite Structures, An International J Vol.46 No.3
Time domain method and frequency domain method are commonly used in the current fatigue life calculation theory. The time domain method has complicated procedures and needs a large amount of calculation, while the frequency domain method has poor applicability to different materials and different spectrum, and improper selection of spectrum model will lead to large errors. Considering that artificial neural network has strong ability of nonlinear mapping and generalization, this paper applied this technique to random fatigue life prediction, and the effect of average stress was taken into account, thereby achieving more accurate prediction result of random fatigue life.