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Research on the generation mechanism for typical out-of-round wear of locomotive wheels based on wheel-rail slip contact.

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Title: Research on the generation mechanism for typical out-of-round wear of locomotive wheels based on wheel-rail slip contact.
Authors: Kang, Xi1 (AUTHOR), Lu, Sheng1 (AUTHOR), Cui, Xiaolu2 (AUTHOR), Zhao, Yang1 (AUTHOR) zhaoyang@cqupt.edu.cn, Cao, Zhengfeng1 (AUTHOR), Chen, Xiang1 (AUTHOR) chenxiang@cqupt.edu.cn
Source: Vehicle System Dynamics. Jun2026, Vol. 64 Issue 6, p1120-1141. 22p.
Subjects: Automobile wheels, Vibration (Mechanics), Rolling contact fatigue, Multibody systems, Finite element method
Abstract: The current study aims to examine how wheel-rail slip affects the formation of typical out-of-round wear of locomotive wheels. The locomotive wheelset-track system (LWTS) was modelled using finite elements, and the friction-induced vibration (FIV) of the system under the condition of wheel-rail slip contact (WRSC) was predicted. Furthermore, the multi-body dynamics model of the locomotive vehicle-track system (LVTS) was established to simulate the fluctuation of the wheel-rail normal contact force (WRNCF) under the excitation of wheel flats. Then, wheel uneven wear was analysed and compared with the field measurements. Additionally, the effects of wheel-rail friction state, axle load, stiffness and damping of the fastener rubber pad (FRP), flat distribution, flat length and vehicle speed on wheel out-of-round wear were studied. At a locomotive speed of 70 75 km/h, the results demonstrate that the WRSC excites the unstable FIVs of 83 Hz and 122 Hz, which leads to wheel 17th 24th order polygonal wear. Wheel out-of-round wear may occur more frequently as a result of an increase in the instability tendency of the LWTS under the WRSC. The wheel-rail impact excited by the flats can lead to small peaks after the maximum peak of the WRNCF, resulting in wheel 6th 7th order polygonal wear. [ABSTRACT FROM AUTHOR]
Copyright of Vehicle System Dynamics is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194058672
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Research on the generation mechanism for typical out-of-round wear of locomotive wheels based on wheel-rail slip contact.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Kang%2C+Xi%22">Kang, Xi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Sheng%22">Lu, Sheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cui%2C+Xiaolu%22">Cui, Xiaolu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Yang%22">Zhao, Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhaoyang@cqupt.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Cao%2C+Zhengfeng%22">Cao, Zhengfeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Xiang%22">Chen, Xiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> chenxiang@cqupt.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Vehicle+System+Dynamics%22">Vehicle System Dynamics</searchLink>. Jun2026, Vol. 64 Issue 6, p1120-1141. 22p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Automobile+wheels%22">Automobile wheels</searchLink><br /><searchLink fieldCode="DE" term="%22Vibration+%28Mechanics%29%22">Vibration (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Rolling+contact+fatigue%22">Rolling contact fatigue</searchLink><br /><searchLink fieldCode="DE" term="%22Multibody+systems%22">Multibody systems</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The current study aims to examine how wheel-rail slip affects the formation of typical out-of-round wear of locomotive wheels. The locomotive wheelset-track system (LWTS) was modelled using finite elements, and the friction-induced vibration (FIV) of the system under the condition of wheel-rail slip contact (WRSC) was predicted. Furthermore, the multi-body dynamics model of the locomotive vehicle-track system (LVTS) was established to simulate the fluctuation of the wheel-rail normal contact force (WRNCF) under the excitation of wheel flats. Then, wheel uneven wear was analysed and compared with the field measurements. Additionally, the effects of wheel-rail friction state, axle load, stiffness and damping of the fastener rubber pad (FRP), flat distribution, flat length and vehicle speed on wheel out-of-round wear were studied. At a locomotive speed of 70 75 km/h, the results demonstrate that the WRSC excites the unstable FIVs of 83 Hz and 122 Hz, which leads to wheel 17th 24th order polygonal wear. Wheel out-of-round wear may occur more frequently as a result of an increase in the instability tendency of the LWTS under the WRSC. The wheel-rail impact excited by the flats can lead to small peaks after the maximum peak of the WRNCF, resulting in wheel 6th 7th order polygonal wear. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Vehicle System Dynamics is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/00423114.2025.2473458
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 22
        StartPage: 1120
    Subjects:
      – SubjectFull: Automobile wheels
        Type: general
      – SubjectFull: Vibration (Mechanics)
        Type: general
      – SubjectFull: Rolling contact fatigue
        Type: general
      – SubjectFull: Multibody systems
        Type: general
      – SubjectFull: Finite element method
        Type: general
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      – TitleFull: Research on the generation mechanism for typical out-of-round wear of locomotive wheels based on wheel-rail slip contact.
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          Name:
            NameFull: Kang, Xi
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            NameFull: Lu, Sheng
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            NameFull: Cui, Xiaolu
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            NameFull: Zhao, Yang
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            NameFull: Cao, Zhengfeng
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            NameFull: Chen, Xiang
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 64
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            – TitleFull: Vehicle System Dynamics
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