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Assessment of vertical track geometry quality based on simulations of dynamic track-vehicle interaction
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles. KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.ORCID iD: 0000-0002-2571-4662
2009 (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. 223, no 2, 131-139 p.Article in journal (Refereed) Published
Abstract [en]

A study assessing vertical track geometry quality based on simulations of dynamic track-vehicle interaction is presented in this article. The dynamic model is composed of track, vehicle, and wheel-rail contact with moving irregularities and is solved in the frequency domain by fast Fourier transform or in the time domain by constructing a filter function based on system identification. Frequency-dependent stiffness and loss factor of railpads are used in this study. Numerical simulations are carried out for a 120 km long track to demonstrate the potential benefits of enhancing track quality assessment by calculating wheel-rail forces.

Place, publisher, year, edition, pages
2009. Vol. 223, no 2, 131-139 p.
Keyword [en]
track-vehicle dynamic interaction, track geometry
National Category
Vehicle Engineering
Research subject
Järnvägsgruppen - Effektiva tågsystem för persontrafik
Identifiers
URN: urn:nbn:se:kth:diva-31221DOI: 10.1243/09544097JRRT220ISI: 000264722400005Scopus ID: 2-s2.0-69249086952OAI: oai:DiVA.org:kth-31221DiVA: diva2:405983
Note
QC 20110324 Conference of the International-Heavy-Haul-Association, Kiruna, SWEDEN, JUN 11-13, 2007Available from: 2011-03-24 Created: 2011-03-11 Last updated: 2017-12-11Bibliographically approved

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Berg, Mats

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CiteExportLink to record
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  • apa
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  • de-DE
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  • en-US
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  • nn-NB
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  • Other locale
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Output format
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