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2020 | OriginalPaper | Chapter

Influence of Rail Corrugation on Fatigue Life of Bogie Frame of High-Speed EMU

Authors: Baoan Zhang, Jing Zheng, Dalian Yu, Jimin Zhang, Hechao Zhou, Xin Liang, Wenqiang Qu

Published in: Advances in Dynamics of Vehicles on Roads and Tracks

Publisher: Springer International Publishing

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Abstract

In order to evaluate the influence of rail corrugation on the fatigue life of bogie frame of high-speed EMU, a vehicle system dynamics model considering rigid-flexible coupling was established considering flexibility of bogie frame. The dynamic stress of the key part of bogie frame was obtained on the measured track irregularities in the presence of rail corrugation. Fatigue life of key parts of bogie frame was predicted according to modal superposition method and nominal stress method. The results show that the rail corrugation will increase the fatigue cumulative damage of the key parts of bogie frame and shorten its overall service life. Structural fatigue damage due to rail corrugation should be taken into consideration when designing bogie frame structure of high-speed EMU. Structural optimization design of key parts of bogie frame should be conducted based on vibration fatigue life prediction.
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Metadata
Title
Influence of Rail Corrugation on Fatigue Life of Bogie Frame of High-Speed EMU
Authors
Baoan Zhang
Jing Zheng
Dalian Yu
Jimin Zhang
Hechao Zhou
Xin Liang
Wenqiang Qu
Copyright Year
2020
DOI
https://doi.org/10.1007/978-3-030-38077-9_29

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