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 …

Hybrid enhanced Monte Carlo simulation coupled with advanced machine learning approach for accurate and efficient structural reliability analysis

C Luo, B Keshtegar, SP Zhu, O Taylan… - Computer Methods in …, 2022 - Elsevier
The accurate estimations of the failure probability with low-computational burden play a vital
role in structural reliability analyses. Due to high-calculation cost and time-consuming Monte …

EMCS-SVR: hybrid efficient and accurate enhanced simulation approach coupled with adaptive SVR for structural reliability analysis

C Luo, B Keshtegar, SP Zhu, X Niu - Computer Methods in Applied …, 2022 - Elsevier
In structural reliability analysis, robust and efficient sampling methods that address low
failure probabilities are vital challenges. In this paper, a novel dynamical adaptive enhanced …

An enhanced uniform simulation approach coupled with SVR for efficient structural reliability analysis

C Luo, SP Zhu, B Keshtegar, X Niu, O Taylan - Reliability Engineering & …, 2023 - Elsevier
For structural reliability analysis with low failure probability, traditional simulation methods
are time consuming approaches, which is a great challenge for estimating the failure …

Multiaxial fatigue analysis of notched components using combined critical plane and critical distance approach

D Liao, SP Zhu, G Qian - International Journal of Mechanical Sciences, 2019 - Elsevier
Combinations of geometric discontinuities and multiaxial loads appear commonly in
engineering components, which raise both stress gradient and multiaxial stress states near …

Evaluation and prediction of material fatigue characteristics under impact loads: review and prospects

X Liu, Q Wu, S Su, Y Wang - International Journal of Structural …, 2022 - emerald.com
Purpose The properties of materials under impact load are introduced in terms of metal,
nonmetallic materials and composite materials. And the application of impact load research …

Probabilistic SN fields based on statistical distributions applied to metallic and composite materials: State of the art

JF Barbosa, JAFO Correia… - Advances in …, 2019 - journals.sagepub.com
Fatigue life prediction of materials can be modeled by deterministic relations, via mean or
median SN curve approximation. However, in engineering design, it is essential to consider …

Nonlinear fatigue damage accumulation: Isodamage curve-based model and life prediction aspects

SP Zhu, D Liao, Q Liu, JAFO Correia… - International Journal of …, 2019 - Elsevier
Cumulative fatigue damage analysis and life prediction of engineering
structures/components is vital for ensuring their structural integrity and operational reliability …

Energy field intensity approach for notch fatigue analysis

D Liao, SP Zhu - International Journal of Fatigue, 2019 - Elsevier
Notched components with complex configurations are normally designed for engineering
functional requirements. Geometrical discontinuities generally result into stress …