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Simple flexible wheelset model for low-frequency instability simulations
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Railway Technology.ORCID iD: 0000-0003-1583-4625
CEIT and TECNUN, University of Navarra, Spain.
R&D Department, Construcciones y Auxiliar de Ferrocarriles, S.A., Spain.
TECNUN, University of Navarra and R&D Department, Construcciones y Auxiliar de Ferrocarriles, S.A., Spain.
2014 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 228, no 2, 169-181 p.Article in journal (Refereed) Published
Abstract [en]

As a general rule, the multi-body simulation models used by railway vehicle designers consider the wheelsets to be fully rigid, thus leading to possible errors when calculating the critical speed of the vehicle under study. This article suggests a wheelset model that takes into account wheelset flexibility for the study of dynamic stability. The model is simple to implement, easily parameterised, and can be applied to both conventional and variable gauge wheelsets. The parameters corresponding to wheelset flexibility that most influence the critical speed of high-speed and variable gauge vehicles are also analysed.

Place, publisher, year, edition, pages
Sage Publications, 2014. Vol. 228, no 2, 169-181 p.
Keyword [en]
Flexible wheelsets, variable gauge, low-frequency instability, critical speed
National Category
Vehicle Engineering
Research subject
Järnvägsgruppen - Fordonsteknik
Identifiers
URN: urn:nbn:se:kth:diva-129593DOI: 10.1177/0954409712468253ISI: 000330771400005Scopus ID: 2-s2.0-84892609914OAI: oai:DiVA.org:kth-129593DiVA: diva2:653448
Note

Qc 20140315

Available from: 2013-10-04 Created: 2013-10-02 Last updated: 2017-12-06Bibliographically approved

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Fulltext_accepted_preprint(1567 kB)311 downloads
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Casanueva, Carlos

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  • apa
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