Generalizing multiaxial vibration fatigue criteria in the frequency domain: A data-driven approach

X Pei, Y Cao, T Gu, M **e, P Dong, Z Wei, J Mei… - International Journal of …, 2024‏ - Elsevier
Random vibration fatigue of structures is intrinsically multiaxial, driven by complex stress
states. Non-proportional multiaxial stresses exacerbate fatigue damage compared to …

A multi-axial vibration fatigue evaluation procedure for welded structures in frequency domain

X Pei, SK Ravi, P Dong, X Li, X Zhou - Mechanical Systems and Signal …, 2022‏ - Elsevier
Modeling of vibration fatigue of welded structures in the frequency domain can be
particularly challenging. For instance, the stress singularity at weld locations causes finite …

Low cycle fatigue evaluation of welded structures with arbitrary stress-strain curve considering stress triaxiality effect

X Pei, X Li, S Zhao, P Dong, X Liu, M **e - International Journal of Fatigue, 2022‏ - Elsevier
In this work, load-controlled low-cycle fatigue tests of butt and lap joints are conducted, and
a structural strain range parameter is proposed to characterize the fatigue behavior of …

Analysis of fatigue test conditions for reproducing weld toe cracking into U-rib wall in orthotropic bridge decks

H Yang, P Wang, H Qian, P Dong - International Journal of Fatigue, 2022‏ - Elsevier
In this study, the fatigue test conditions for reproducing weld toe cracking into U-rib wall in
orthotropic bridge decks (OBD) are investigated by both experimental and numerical …

State-of-the-art of fatigue performance and estimation approach of orthotropic steel bridge decks

H Yang, P Wang, Ö Karakas, H Qian - Structures, 2024‏ - Elsevier
The structural service behaviors and fracture failures of orthotropic steel bridges are
significantly depended on its anti-fatigue performance. Therefore, an urgent requirement is …

Traction stress-based fatigue failure mode identification of load-carrying welded cruciform joints

Z Wei, X Pei, X Qian, S **ng, L Feng, H ** - International Journal of Fatigue, 2022‏ - Elsevier
This paper proposes an analytical solution of traction stress at the weld root of load-carrying
welded cruciform joints, incorporating the effects of weld geometry, especially the gap …

Low-cycle fatigue design of welded offshore pipe components: A modern view on ASME B31 code

M **e, S **ng, J Zhao, Ö KARAKAŞ, Y Li… - International Journal of …, 2022‏ - Elsevier
The welded pipe components are prone to low-cycle fatigue (LCF) at welds, especially
under extreme loadings. ASME B31. 8 specifies the fatigue design rules of the welded …

A post‐processing procedure for predicting high‐ and low‐cycle fatigue life of welded structures based on the master EN curve

X Liu, L Lei, S **ng, T Gu, X Li… - Fatigue & Fracture of …, 2023‏ - Wiley Online Library
This work provides a post‐processing procedure to predict the high‐and low‐cycle fatigue
life of welded structures. The post‐processor calculates the equivalent structural strain …

An adaptive extreme learning machine based on an active learning method for structural reliability analysis

J Cheng, H ** - Journal of the Brazilian Society of Mechanical Sciences …, 2021‏ - Springer
The metamodel-assisted reliability method opens a promising way to achieve efficient
structural reliability assessment for structures with expensive-to-evaluate simulations. The …

Evaluation of welded cast steel joint fatigue data using structural stress methods

Z Wei, X Pei, H ** - Journal of Constructional Steel Research, 2021‏ - Elsevier
Understanding the weld-root-based fatigue failure of welded cast steel joints is critical, and
the fatigue stress parameter corresponding to the SN curve for the fatigue-derived design of …