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.
Assessment of vertical track geometry quality based on simulations of dynamic track-vehicle interaction
2009
9 Seiten, 11 Bilder, 22 Quellen
Aufsatz (Zeitschrift)
Englisch
British Library Online Contents | 2009
|British Library Conference Proceedings | 2009
|SAGE Publications | 2009
|Assessing track geometry quality based on wavelength spectra and track–vehicle dynamic interaction
Taylor & Francis Verlag | 2008
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