Stress gradient effect in metal fatigue: Review and solutions

SP Zhu, WL Ye, JAFO Correia, AMP Jesus… - Theoretical and Applied …, 2022 - Elsevier
Under external loadings, notched components always show varying degrees of stress
concentration. Accordingly, different kinds of approaches have been presented to …

Multiaxial fatigue under variable amplitude loadings: review and solutions

QY Deng, SP Zhu, JC He, XK Li… - International Journal of …, 2022 - emerald.com
Purpose Engineering components/structures with geometric discontinuities normally bear
complex and variable loads, which lead to a multiaxial and random/variable amplitude …

Defect tolerant fatigue assessment of AM materials: Size effect and probabilistic prospects

X Niu, SP Zhu, JC He, D Liao, JAFO Correia… - International Journal of …, 2022 - Elsevier
Despite the significant advantages such as rapid prototy** of complex structures,
engineering application of Additive Manufacturing (AM) technique has been limited due to …

A novel Kriging-model-assisted reliability-based multidisciplinary design optimization strategy and its application in the offshore wind turbine tower

D Meng, S Yang, AMP de Jesus, SP Zhu - Renewable Energy, 2023 - Elsevier
Abstract In Reliability-based Multidisciplinary Design Optimization (RBMDO), the key
performance functions of wind turbine are usually implicit, which means the performance …

A novel hybrid adaptive Kriging and water cycle algorithm for reliability-based design and optimization strategy: Application in offshore wind turbine monopile

D Meng, S Yang, AMP De Jesus… - Computer Methods in …, 2023 - Elsevier
Metaheuristic algorithms have been widely concerned by scholars because of their global
optimization ability that does not depend on gradient information. In this study, Water Cycle …

Size effect in fatigue modelling of defective materials: Application of the calibrated weakest-link theory

JC He, SP Zhu, C Luo, X Niu, Q Wang - International Journal of Fatigue, 2022 - Elsevier
Fatigue life prediction is critical for the design of engineering components made from
defective materials. Not only do these imperfections show a detrimental effect on the fatigue …

Probabilistic fatigue modelling of metallic materials under notch and size effect using the weakest link theory

XK Li, SP Zhu, D Liao, JAFO Correia, F Berto… - International Journal of …, 2022 - Elsevier
Notch fatigue analysis is vital for structural integrity design, while efficient fatigue models
coupling notch and size effect are still lacking, which are highly desired for fatigue design of …

Deep learning regression-based stratified probabilistic combined cycle fatigue damage evaluation for turbine bladed disks

XQ Li, LK Song, GC Bai - International Journal of Fatigue, 2022 - Elsevier
Probabilistic combined cycle fatigue (CCF) damage evaluation involves complex large-scale
simulations of low cycle fatigue (LCF) damage, high cycle fatigue (HCF) damage and …

Defect sensitivity and fatigue design: Deterministic and probabilistic aspects in AM metallic materials

X Niu, C He, SP Zhu, P Foti, F Berto, L Wang… - Progress in Materials …, 2024 - Elsevier
Fatigue performance in both traditional and additively manufactured materials is severely
affected by the presence of defects, which deserve special attention to ensure the in-service …

More than 25 years of extreme value statistics for defects: fundamentals, historical developments, recent applications

S Beretta - International Journal of Fatigue, 2021 - Elsevier
A quarter of century has passed since the seminal paper'94 by Murakami, who launched the
adoption of extreme value statistics for the estimation of critical defect size to be considered …