A modified Manson-Halford model based on improved WOA for fatigue life prediction under multi-level loading
Yibo Yang,
Li Zou,
Xinyu Cao
et al.
Abstract:The Manson-Halford (M-H) nonlinear cumulative damage model is widely applied for fatigue life analysis problems under multi-level loading. In this model, the influence of loading sequence on the fatigue life can be better considerer, but the loading interaction effect is ignored. An improved whale optimization algorithm (IWOA) by integrating multiple strategies is proposed. The ability of global search and local exploitation is balanced and improved through nonlinear convergence factor, adaptive weighting fact… Show more
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