Results 51 to 60 of about 206 (115)

Influence of crack shapes on crack propagation life of sucker rods in the corrosive environments

Jixie qiangdu
ObjectiveTo clarify the influence of different initial crack shapes on the fatigue life of sucker rods, crack propagation simulation and residual useful life (RUL) prediction were conducted on sucker rods in corrosive environments using FRANC3D fracture ...
LENG Jiancheng, YUE Jianghong, ZHANG Xin, XU Hongwei   +3 more
doaj  

Fatigue Assessment of Weathering Steel Welded Joints Based on Fracture Mechanics and Machine Learning

Buildings
To improve the computational efficiency of complex fatigue assessments, this study proposes a framework that integrates high-fidelity finite element analysis (FEA)with ensemble learning for evaluating the fatigue performance of weathering steel welded ...
Jianxing Du, Han Su, Jinsheng Du
doaj   +1 more source

Stochastic Propagation of Fatigue Cracks in Welded Joints of Steel Bridge Decks under Simulated Traffic Loading. [PDF]

Sensors (Basel), 2023
Lu N, Liu J, Wang H, Yuan H, Luo Y.
europepmc   +1 more source

Characteristics of the crack tip field in high-speed railway tunnel linings under train-induced aerodynamic shockwaves

Underground Space
High-speed railway tunnels in various countries have continuously reported accidents of vault falling concrete blocks. Once the concrete block falling occurs, serious consequences follow, and traffic safety may be endangered.
Yi-Kang Liu, Yu-Ling Wang, E Deng, Yi-Qing Ni, Wei-Chao Yang, Wai-Kei Ao   +5 more
doaj   +1 more source

Stress intensity factors of the rib-to-deck welded joint at the crossbeam conjunction in OSDs

, 2018
The orthotropic steel decks (OSDs) are one of the most widely used bridge components, especially in moveable and long span bridges. Numerous cracks have been detected in this type of deck in existing bridges, mainly in the welded joints.
Veljkovic, M. (author), Wu, W. (author), Kolstein, M.H. (author)   +2 more
core   +1 more source

Numerical Analysis of Curvilinear Fatigue Crack Growth and Plastic Zone Evolution in Haynes 230 Superalloy Under Variable Stress Ratios

Crystals
This paper presents a high-fidelity numerical simulation of curvilinear fatigue crack growth (FCG) through a modified Compact Tension (CT) specimen made of Haynes 230 nickel-based superalloy.
Yahya Ali Fageehi, Abdulnaser M. Alshoaibi   +1 more
doaj   +1 more source

Experimental and Theoretical Study on the Fatigue Crack Propagation in Stud Shear Connectors. [PDF]

Materials (Basel), 2023
Kuang Y, Wang Y, Xiang P, Tao L, Wang K, Fan F, Yang J.   +6 more
europepmc   +1 more source

Fatigue Reliability Assessment for Orthotropic Steel Decks: Considering Multicrack Coupling Effects

Metals
Multiple fatigue cracks are generally present in practical engineering due to the existence of welding; the size and number of cracks of orthotropic steel bridge decks are greatly uncertain.
Jing Liu, Yang Liu, Guodong Wang, Naiwei Lu, Jian Cui, Honghao Wang   +5 more
doaj   +1 more source

Effect of Residual Stress Induced by Different Cooling Methods in Heat Treatment on the Fatigue Crack Propagation Behaviour of GH4169 Disc. [PDF]

Materials (Basel), 2022
Fan M, Chen C, Xuan H, Qin H, Qu M, Shi S, Bi Z, Hong W.   +7 more
europepmc   +1 more source

Numerical Study on 3D Surface Crack Growth

, 2011
The inclined surface cracks are under the mixed mode I，II，III loading conditions. In order to study the surface crack growth the stress intensity factors of the front of half-circular surface crack are calculated according to fracture analysis code-3D ...
Ming Tian Li, Shu Cai Li, Jun Lian He
core   +1 more source