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Prediction of rolling contact fatigue (RCF) for iron-ore locomotive wheels; comparison of an alternative contact algorithm with FASTSIM
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles.ORCID iD: 0000-0002-6346-6620
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles.ORCID iD: 0000-0003-1583-4625
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles.ORCID iD: 0000-0002-8237-5847
2018 (English)In: The Dynamics of Vehicles on Roads and Tracks, CRC Press/Balkema , 2018, p. 835-840Conference paper, Published paper (Refereed)
Abstract [en]

In this article, a model to estimate the evolution of surface initiated Rolling Contact Fatigue (RCF) is developed and applied to a heavy haul locomotive. To consider the changes in the wheel profile due to wear, a methodology based on Archard’s wear calculation theory is used. The method is based on the load collective concept, which determines a set of dynamic time-domain simulations as representative for the line. For RCF calculations a shakedown based theory is applied locally, using the FaStrip algorithm to estimate the tangential stresses instead of FASTSIM. The differences between the two algorithms regarding damage prediction models are studied. The differences are due to the accumulation of the FASTSIM error in the long-term process. The simulated crack locations and their angles are compared with a five-year field study and good agreements are achieved.

Place, publisher, year, edition, pages
CRC Press/Balkema , 2018. p. 835-840
Keywords [en]
Fatigue of materials, Friction, Iron ores, Locomotives, Wheels, Calculation theories, Contact algorithms, Damage prediction models, Locomotive wheels, Long term process, Rolling contact fatigue, Surface-initiated, Tangential stress, Time domain analysis
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-247406ISI: 000468325100052Scopus ID: 2-s2.0-85061530651ISBN: 9781138035713 (print)OAI: oai:DiVA.org:kth-247406DiVA, id: diva2:1305811
Conference
25th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2017, 14 August 2017 through 18 August 2017
Note

QC20190418

Available from: 2019-04-18 Created: 2019-04-18 Last updated: 2019-06-11Bibliographically approved

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Hossein Nia, SaeedCasanueva, CarlosStichel, Sebastian

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