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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

铁道工程科学（英文）2026，Vol.34Issue(2)：275-293,19.

铁道工程科学（英文）2026，Vol.34Issue(2)：275-293,19.DOI:10.1007/s40534-025-00388-2

Investigation on the rolling contact fatigue cracks initiation of subway fixed frogs based on transient dynamics

Zhaoguang Zheng ¹Zhiguo Dong ²Jiayi Hu ¹Jingmang Xu ¹Kai Wang ¹Ping Wang¹

作者信息

1. MOE Key Laboratory of High-Speed Railway Engineering,Southwest Jiaotong University,Chengdu 610031,China||School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China
2. Shenzhen Municipal Design and Research Institute Co.,Ltd.,Shenzhen 518037,China
折叠

摘要

关键词

Fixed frog/Rolling contact fatigue/Crack initiation/Explicit finite element method/Vehicle speed/Fastener stiffness

Key words

Fixed frog/Rolling contact fatigue/Crack initiation/Explicit finite element method/Vehicle speed/Fastener stiffness

引用本文复制引用

Zhaoguang Zheng,Zhiguo Dong,Jiayi Hu,Jingmang Xu,Kai Wang,Ping Wang..Investigation on the rolling contact fatigue cracks initiation of subway fixed frogs based on transient dynamics[J].铁道工程科学（英文）,2026,34(2):275-293,19.

基金项目

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) （No.2023YFB2603702）

铁道工程科学（英文）

ISSN：2662-4745

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