Railway vehicle dynamics interaction with a flexible track

J. Ambrosio; Joao Costa; P. Antunes; H. Magalhaes; J. Pombo

doi:10.1201/9780429426506-307

Railway vehicle dynamics interaction with a flexible track

J. Ambrosio, Joao Costa, P. Antunes, H. Magalhaes, J. Pombo

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The common approach to railway vehicle dynamics is to assume rigid railway tracks. By the same token, the common approach to track analysis is to consider the vehicle as a moving load. Both of the approaches miss the coupled dynamics between the two systems. In this work the assumption of rigidity of the railway track is released and a finite element model of the complete track, i.e., rails, pads, sleepers, ballast and infrastructure, is used to represent the track geometry and flexibility. The dynamics of the railway vehicle is described using a multibody methodology. Due to the fact that not only the multibody and the finite element dynamic analysis use different integration algorithms but also because the vehicle and track models are simulated in different codes a co-simulation procedure is proposed and demonstrated to address the coupled dynamics of the system.

Original language	English
Title of host publication	Advances in Engineering Materials, Structures and Systems
Subtitle of host publication	Innovations, Mechanics and Applications - Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation, 2019
Editors	Alphose Zingoni
Publisher	CRC Press
Pages	1777-1784
Number of pages	8
Edition	1
ISBN (Electronic)	9780429426506
ISBN (Print)	9781138386969
DOIs	https://doi.org/10.1201/9780429426506-307
Publication status	Published - 22 Aug 2019
Event	7th International Conference on Structural Engineering, Mechanics and Computation - Cape Town, South Africa Duration: 2 Sep 2019 → 4 Sep 2019 Conference number: 7 http://www.semc.uct.ac.za/

Conference

Conference	7th International Conference on Structural Engineering, Mechanics and Computation
Abbreviated title	SEMC 2019
Country/Territory	South Africa
City	Cape Town
Period	2/09/19 → 4/09/19
Internet address	http://www.semc.uct.ac.za/

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Ambrosio, J., Costa, J., Antunes, P., Magalhaes, H., & Pombo, J. (2019). Railway vehicle dynamics interaction with a flexible track. In A. Zingoni (Ed.), Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications - Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation, 2019 (1 ed., pp. 1777-1784). CRC Press. https://doi.org/10.1201/9780429426506-307

Ambrosio, J. ; Costa, Joao ; Antunes, P. et al. / Railway vehicle dynamics interaction with a flexible track. Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications - Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation, 2019. editor / Alphose Zingoni. 1. ed. CRC Press, 2019. pp. 1777-1784

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abstract = "The common approach to railway vehicle dynamics is to assume rigid railway tracks. By the same token, the common approach to track analysis is to consider the vehicle as a moving load. Both of the approaches miss the coupled dynamics between the two systems. In this work the assumption of rigidity of the railway track is released and a finite element model of the complete track, i.e., rails, pads, sleepers, ballast and infrastructure, is used to represent the track geometry and flexibility. The dynamics of the railway vehicle is described using a multibody methodology. Due to the fact that not only the multibody and the finite element dynamic analysis use different integration algorithms but also because the vehicle and track models are simulated in different codes a co-simulation procedure is proposed and demonstrated to address the coupled dynamics of the system.",

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Ambrosio, J, Costa, J, Antunes, P, Magalhaes, H & Pombo, J 2019, Railway vehicle dynamics interaction with a flexible track. in A Zingoni (ed.), Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications - Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation, 2019. 1 edn, CRC Press, pp. 1777-1784, 7th International Conference on Structural Engineering, Mechanics and Computation, Cape Town, South Africa, 2/09/19. https://doi.org/10.1201/9780429426506-307

Railway vehicle dynamics interaction with a flexible track. / Ambrosio, J.; Costa, Joao; Antunes, P. et al.

Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications - Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation, 2019. ed. / Alphose Zingoni. 1. ed. CRC Press, 2019. p. 1777-1784.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - The common approach to railway vehicle dynamics is to assume rigid railway tracks. By the same token, the common approach to track analysis is to consider the vehicle as a moving load. Both of the approaches miss the coupled dynamics between the two systems. In this work the assumption of rigidity of the railway track is released and a finite element model of the complete track, i.e., rails, pads, sleepers, ballast and infrastructure, is used to represent the track geometry and flexibility. The dynamics of the railway vehicle is described using a multibody methodology. Due to the fact that not only the multibody and the finite element dynamic analysis use different integration algorithms but also because the vehicle and track models are simulated in different codes a co-simulation procedure is proposed and demonstrated to address the coupled dynamics of the system.

AB - The common approach to railway vehicle dynamics is to assume rigid railway tracks. By the same token, the common approach to track analysis is to consider the vehicle as a moving load. Both of the approaches miss the coupled dynamics between the two systems. In this work the assumption of rigidity of the railway track is released and a finite element model of the complete track, i.e., rails, pads, sleepers, ballast and infrastructure, is used to represent the track geometry and flexibility. The dynamics of the railway vehicle is described using a multibody methodology. Due to the fact that not only the multibody and the finite element dynamic analysis use different integration algorithms but also because the vehicle and track models are simulated in different codes a co-simulation procedure is proposed and demonstrated to address the coupled dynamics of the system.

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Ambrosio J, Costa J, Antunes P, Magalhaes H, Pombo J. Railway vehicle dynamics interaction with a flexible track. In Zingoni A, editor, Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications - Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation, 2019. 1 ed. CRC Press. 2019. p. 1777-1784 Epub 2019 Aug 21. doi: 10.1201/9780429426506-307

Railway vehicle dynamics interaction with a flexible track

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