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A whole system model framework to predict damage in turnouts

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Název: A whole system model framework to predict damage in turnouts
Autoři: Six, K., Sazgetdinov, K., Kumar, N., Muller, G., Velic, D., Daves, W., Skrypnyk, Rostyslav, 1991, Pålsson, Björn, 1981
Zdroj: Vehicle System Dynamics. 61(3):871-891
Témata: rail wear, multi-body dynamics (MBD), vehicle-track interaction (VTI), plastic deformation, rail surface damage, switches and crossings, Turnout, track damage, track settlement, whole system modelling
Popis: This paper presents a whole system model framework that enables a holistic prediction of accumulated track damage in railway turnouts. A modular approach allows for insight into the interaction of different damage mechanisms such as rail profile change due to the plastic deformation and wear as well as track settlement. The methodology focuses on the two most critical areas of the turnout in terms of damage: switch and crossing panels. It is shown that at the beginning of the service life of the turnout the running surface of the rails in these areas change significantly due to plastic deformation, which in turn increases the dynamic impact forces from passing vehicles. These impact forces cause vertical track settlement that is most pronounced in the crossing area. Track settlement introduces additional dynamics into the system leading to self-reinforcing behaviour. It is shown that the proposed methodology can predict accumulated track damage accounting for the coupling between different damage modes such as track settlement, rail profiles plastic deformation and wear. It can therefore be used for holistic assessment of turnouts e.g. in design optimisation studies.
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Přístupová URL adresa: https://research.chalmers.se/publication/526883
https://research.chalmers.se/publication/526883/file/526883_Fulltext.pdf
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Items – Name: Title
  Label: Title
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  Data: A whole system model framework to predict damage in turnouts
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Six%2C+K%2E%22">Six, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Sazgetdinov%2C+K%2E%22">Sazgetdinov, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Kumar%2C+N%2E%22">Kumar, N.</searchLink><br /><searchLink fieldCode="AR" term="%22Muller%2C+G%2E%22">Muller, G.</searchLink><br /><searchLink fieldCode="AR" term="%22Velic%2C+D%2E%22">Velic, D.</searchLink><br /><searchLink fieldCode="AR" term="%22Daves%2C+W%2E%22">Daves, W.</searchLink><br /><searchLink fieldCode="AR" term="%22Skrypnyk%2C+Rostyslav%22">Skrypnyk, Rostyslav</searchLink>, 1991<br /><searchLink fieldCode="AR" term="%22Pålsson%2C+Björn%22">Pålsson, Björn</searchLink>, 1981
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <i>Vehicle System Dynamics</i>. 61(3):871-891
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22rail+wear%22">rail wear</searchLink><br /><searchLink fieldCode="DE" term="%22multi-body+dynamics+%28MBD%29%22">multi-body dynamics (MBD)</searchLink><br /><searchLink fieldCode="DE" term="%22vehicle-track+interaction+%28VTI%29%22">vehicle-track interaction (VTI)</searchLink><br /><searchLink fieldCode="DE" term="%22plastic+deformation%22">plastic deformation</searchLink><br /><searchLink fieldCode="DE" term="%22rail+surface+damage%22">rail surface damage</searchLink><br /><searchLink fieldCode="DE" term="%22switches+and+crossings%22">switches and crossings</searchLink><br /><searchLink fieldCode="DE" term="%22Turnout%22">Turnout</searchLink><br /><searchLink fieldCode="DE" term="%22track+damage%22">track damage</searchLink><br /><searchLink fieldCode="DE" term="%22track+settlement%22">track settlement</searchLink><br /><searchLink fieldCode="DE" term="%22whole+system+modelling%22">whole system modelling</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: This paper presents a whole system model framework that enables a holistic prediction of accumulated track damage in railway turnouts. A modular approach allows for insight into the interaction of different damage mechanisms such as rail profile change due to the plastic deformation and wear as well as track settlement. The methodology focuses on the two most critical areas of the turnout in terms of damage: switch and crossing panels. It is shown that at the beginning of the service life of the turnout the running surface of the rails in these areas change significantly due to plastic deformation, which in turn increases the dynamic impact forces from passing vehicles. These impact forces cause vertical track settlement that is most pronounced in the crossing area. Track settlement introduces additional dynamics into the system leading to self-reinforcing behaviour. It is shown that the proposed methodology can predict accumulated track damage accounting for the coupling between different damage modes such as track settlement, rail profiles plastic deformation and wear. It can therefore be used for holistic assessment of turnouts e.g. in design optimisation studies.
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  Data: electronic
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      – Type: doi
        Value: 10.1080/00423114.2021.1988116
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      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 21
        StartPage: 871
    Subjects:
      – SubjectFull: rail wear
        Type: general
      – SubjectFull: multi-body dynamics (MBD)
        Type: general
      – SubjectFull: vehicle-track interaction (VTI)
        Type: general
      – SubjectFull: plastic deformation
        Type: general
      – SubjectFull: rail surface damage
        Type: general
      – SubjectFull: switches and crossings
        Type: general
      – SubjectFull: Turnout
        Type: general
      – SubjectFull: track damage
        Type: general
      – SubjectFull: track settlement
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      – SubjectFull: whole system modelling
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      – TitleFull: A whole system model framework to predict damage in turnouts
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            NameFull: Six, K.
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            – D: 01
              M: 01
              Type: published
              Y: 2023
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