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Influence of wheel-rail contact modelling on vehicle dynamic simulation
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0003-2590-3698
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-3447-6686
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-2571-4662
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2015 (English)In: Vehicle System Dynamics, ISSN 0042-3114, E-ISSN 1744-5159, Vol. 53, no 8, 1190-1203 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a comparison of four models of rolling contact used for online contact force evaluation in rail vehicle dynamics. Until now only a few wheel-rail contact models have been used for online simulation in multibody software (MBS). Many more models exist and their behaviour has been studied offline, but a comparative study of the mutual influence between the calculation of the creep forces and the simulated vehicle dynamics seems to be missing. Such a comparison would help researchers with the assessment of accuracy and calculation time. The contact methods investigated in this paper are FASTSIM, Linder, Kik-Piotrowski and Stripes. They are compared through a coupling between an MBS for the vehicle simulation and Matlab for the contact models. This way the influence of the creep force calculation on the vehicle simulation is investigated. More specifically this study focuses on the influence of the contact model on the simulation of the hunting motion and on the curving behaviour.

Place, publisher, year, edition, pages
2015. Vol. 53, no 8, 1190-1203 p.
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-171252DOI: 10.1080/00423114.2015.1039550ISI: 000357332800006Scopus ID: 2-s2.0-84929429189OAI: oai:DiVA.org:kth-171252DiVA: diva2:843346
Note

QC 20150728

Available from: 2015-07-28 Created: 2015-07-27 Last updated: 2017-12-04Bibliographically approved

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Sichani, Matin ShEnblom, RogerBerg, Mats

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