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Evolution of wheel-rail kinematic coupling due to RCF and natural & maintenance-induced wear using vehicle dynamic simulations
KTH, School of Engineering Sciences (SCI), Engineering Mechanics.ORCID iD: 0000-0002-4477-971x
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Rail Vehicles.ORCID iD: 0000-0002-6346-6620
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Rail Vehicles.ORCID iD: 0000-0003-1583-4625
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Rail Vehicles.ORCID iD: 0000-0002-8237-5847
2021 (English)In: Proceedings of the 26th International Congress of Theoretical and Applied Mechanics (ICTAM2020+1), Milan (Italy), August 2021., 2021Conference paper, Published paper (Refereed)
Abstract [en]

The wheel-rail interaction constitutes a complex kinematic coupling that evolves over time due to various factors such aswear, rolling contact fatigue and periodic maintenance activities, that determine the rail service life. The state of the rail surface after aspecified traffic and tonnage passing reflects the track-friendliness of the vehicles. This is particularly helpful in guiding track accesspricing strategies for different vehicle designs based on the amount of damage they cause to the track. A complex and highly non-linearmulti-body simulation environment is set up and iterative vehicle dynamics calculations are performed, along with the implementationof recently developed wheel-rail contact models, damage models and maintenance procedures over a 100 MGT tonnage period.

Place, publisher, year, edition, pages
2021.
Keywords [en]
wheel-rail interaction, Rolling Contact Fatigue, wear
National Category
Vehicle Engineering Applied Mechanics
Research subject
Vehicle and Maritime Engineering; Järnvägsgruppen - Fordonsteknik
Identifiers
URN: urn:nbn:se:kth:diva-300143OAI: oai:DiVA.org:kth-300143DiVA, id: diva2:1588013
Conference
26th International Congress of Theoretical and Applied Mechanics (ICTAM2020+1)
Funder
EU, Horizon 2020, 826206
Note

QCR 20211027

Available from: 2021-08-26 Created: 2021-08-26 Last updated: 2022-06-25Bibliographically approved

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Krishna, Visakh VHossein Nia, SaeedCasanueva, CarlosStichel, Sebastian

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CiteExportLink to record
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