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Assessment of verti...
Assessment of vertical track geometry quality based on simulations of dynamic track-vehicle interaction
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Li, M. X. D. (författare)
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Berggren, E. G. (författare)
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- Berg, Mats (författare)
- KTH,Spårfordon,Järnvägsgruppen, JVG
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(creator_code:org_t)
- 2009
- 2009
- Engelska.
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Ingår i: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit. - 0954-4097 .- 2041-3017. ; 223:2, s. 131-139
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Farkostteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Vehicle Engineering (hsv//eng)
Nyckelord
- track-vehicle dynamic interaction
- track geometry
- Vehicle engineering
- Farkostteknik
- Järnvägsgruppen - Effektiva tågsystem för persontrafik
- Järnvägsgruppen - Effektiva tågsystem för persontrafik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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