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Efficient and simplified numerical contact model for the braking simulation of a magnetic track brake.

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Title: Efficient and simplified numerical contact model for the braking simulation of a magnetic track brake.
Authors: Kocbay, Emin1 (AUTHOR) emin.kocbay@tuwien.ac.at, Steininger, Alois1 (AUTHOR), Pavicsics, Andreas1 (AUTHOR), Arslan, Eray2 (AUTHOR) eray.arslan@tuwien.ac.at, Edelmann, Johannes1 (AUTHOR) johannes.edelmann@tuwien.ac.at
Source: Meccanica. Feb2025, Vol. 60 Issue 2, p195-216. 22p.
Subjects: Coulomb friction, Quasistatic processes, Contact mechanics, Brake systems, Friction
Abstract: The magnetic track brake is a mechanical contact (with friction) based braking system that is typically actuated electromagnetically and used as an emergency brake in railway transport. Within this paper, the practically relevant task of predicting the effective local and global forces of the contacting bodies and the respective deformations during the quasi-static braking process is addressed. Therefore, a simplified, yet efficient and accurate numerical contact model is developed to treat the frictional sliding contact problem. In order to verify and validate the model a couple of numerical experiments are carried out. The proposed model and algorithm are first tested against an analytic benchmark problem of a parabolic indenter indenting an elastic half-space. The developed model is then compared against a reference Abaqus finite element simulation in application-oriented braking simulations that treat the contact problem between a single braking element (pole shoe) and the rail. The results demonstrate and highlight the applicability and efficiency of the proposed model but also show the current limitations and shortcomings that hint at possible future augmentations. [ABSTRACT FROM AUTHOR]
Copyright of Meccanica is the property of Springer Nature 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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DbLabel: Engineering Source
An: 183407477
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  Data: Efficient and simplified numerical contact model for the braking simulation of a magnetic track brake.
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  Data: <searchLink fieldCode="JN" term="%22Meccanica%22">Meccanica</searchLink>. Feb2025, Vol. 60 Issue 2, p195-216. 22p.
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  Data: <searchLink fieldCode="DE" term="%22Coulomb+friction%22">Coulomb friction</searchLink><br /><searchLink fieldCode="DE" term="%22Quasistatic+processes%22">Quasistatic processes</searchLink><br /><searchLink fieldCode="DE" term="%22Contact+mechanics%22">Contact mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Brake+systems%22">Brake systems</searchLink><br /><searchLink fieldCode="DE" term="%22Friction%22">Friction</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The magnetic track brake is a mechanical contact (with friction) based braking system that is typically actuated electromagnetically and used as an emergency brake in railway transport. Within this paper, the practically relevant task of predicting the effective local and global forces of the contacting bodies and the respective deformations during the quasi-static braking process is addressed. Therefore, a simplified, yet efficient and accurate numerical contact model is developed to treat the frictional sliding contact problem. In order to verify and validate the model a couple of numerical experiments are carried out. The proposed model and algorithm are first tested against an analytic benchmark problem of a parabolic indenter indenting an elastic half-space. The developed model is then compared against a reference Abaqus finite element simulation in application-oriented braking simulations that treat the contact problem between a single braking element (pole shoe) and the rail. The results demonstrate and highlight the applicability and efficiency of the proposed model but also show the current limitations and shortcomings that hint at possible future augmentations. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Meccanica is the property of Springer Nature 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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      – Type: doi
        Value: 10.1007/s11012-024-01926-8
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      – Code: eng
        Text: English
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        PageCount: 22
        StartPage: 195
    Subjects:
      – SubjectFull: Coulomb friction
        Type: general
      – SubjectFull: Quasistatic processes
        Type: general
      – SubjectFull: Contact mechanics
        Type: general
      – SubjectFull: Brake systems
        Type: general
      – SubjectFull: Friction
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              Text: Feb2025
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              Y: 2025
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