Current practices and research trends on fatigue analysis in cranes

Authors

DOI:

https://doi.org/10.5902/2179460X94321

Keywords:

Cranes, Fatigue, Machine learning, Finite element method, Digital twin

Abstract

Cranes are critical industrial systems subjected to prolonged cyclic and stochastic loading, making their metal structures prone to fatigue failure, especially at welded joints. This review systematically examines conventional and advanced methodologies for fatigue assessment in cranes. Traditional approaches based on S–N curves and Miner’s rule are discussed, alongside advanced local stress methods (notch stress, hot-spot stress, equivalent structural stress) and multiaxial fatigue criteria. The role of numerical simulation, including FEM and co-simulation with Multi-Body Dynamics (MBD), is highlighted. Emerging trends such as Machine Learning (ML), Digital Twin (DT) frameworks, and Bayesian reliability updating are reviewed as transformative tools for real-time prediction and risk-based inspection. The paper emphasizes the mathematical and computational foundations of these methods, aligning with the scope of applied mathematics. Finally, a critical discussion synthesizes gaps in the literature, and future research directions are proposed.

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Author Biographies

Héricles Chiarello, Universidade Federal do Rio Grande do Sul

Héricles Chiarello holds a degree in Mechanical Engineering from the University of Caxias do Sul (2019). He currently works at Palfinger in the product engineering department. He also holds a Master’s degree in Mechanical Engineering from the Federal University of Rio Grande do Sul (UFRGS), Brazil. His research focuses on structural analysis and fatigue assessment of metallic structures, particularly cranes and lifting equipment.

Herbert Martins Gomes, Universidade Federal do Rio Grande do Sul

Herbert Martins Gomes holds a Ph.D. in Civil Engineering and is a Professor at the Federal University of Rio Grande do Sul (UFRGS), Brazil. His research interests include structural dynamics, optimization, and reliability analysis of mechanical and civil structures. He has extensive experience in finite element modeling, metaheuristic algorithms, and the application of advanced computational methods for the analysis of composite, metallic, and reinforced concrete structures. 

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Published

2026-05-29

Issue

Section

Applied Mathematics

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