Investigation on the rolling contact fatigue cracks initiation of subway fixed frogs based on transient dynamicsOA
Investigation on the rolling contact fatigue cracks initiation of subway fixed frogs based on transient dynamics
Zhaoguang Zheng;Zhiguo Dong;Jiayi Hu;Jingmang Xu;Kai Wang;Ping Wang
MOE Key Laboratory of High-Speed Railway Engineering,Southwest Jiaotong University,Chengdu 610031,China||School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,ChinaShenzhen Municipal Design and Research Institute Co.,Ltd.,Shenzhen 518037,ChinaMOE Key Laboratory of High-Speed Railway Engineering,Southwest Jiaotong University,Chengdu 610031,China||School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,ChinaMOE Key Laboratory of High-Speed Railway Engineering,Southwest Jiaotong University,Chengdu 610031,China||School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,ChinaMOE Key Laboratory of High-Speed Railway Engineering,Southwest Jiaotong University,Chengdu 610031,China||School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,ChinaMOE Key Laboratory of High-Speed Railway Engineering,Southwest Jiaotong University,Chengdu 610031,China||School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China
Fixed frogRolling contact fatigueCrack initiationExplicit finite element methodVehicle speedFastener stiffness
Fixed frogRolling contact fatigueCrack initiationExplicit finite element methodVehicle speedFastener stiffness
《铁道工程科学（英文）》 2026 (2)
275-293,19
This work was supported by the National Key R&D Program of China(No.2023YFB2603702),the National Natural Science Foundation of China(Nos.52472458,52478474,and 52388102),Sichuan Science and Technology Program(Nos.2025NSFTD0013,2025YFHZ0035,2024NSFTD0010,and 2025ZNSFSC1318),Major Program of Sichuan Provincial Natural Science Foundation of China(No.2024NSFSC0003)
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