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PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Vehicle-Track System Parameters Influencing Dynamics in Transition Curves
K. Zboinski and M. Golofit-Stawinska
Transport Infrastructure Division, Faculty of Transport, Warsaw University of Technology, Poland
K. Zboinski, M. Golofit-Stawinska, "Vehicle-Track System Parameters Influencing Dynamics in Transition Curves", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 89, 2016. doi:10.4203/ccp.110.89
Keywords: transition curve, critical velocity, numerical simulations, vehicle dynamics, self-exciting vibrations, non-linear dynamics. .
This paper present results of a study concerning the identification of the parameters of railway vehicle-track system, which have an influence on the non-linear properties (behaviour) of railway vehicles in a transition curve at velocities near the critical one. The following two objects were studied individually: two-axle 25TN bogie of a freight car and a two-axle bogie of a MK111 passenger car. The study consists of numerical tests which are completed with the software built specifically for two-axle objects and the non-commercial software for automatic generation of the equation of motion for four-axle objects. Finally, the two-axle HSFV1 freight car, two-axle freight car with average parameters and a four-axle passenger car MK111 will also be studied.
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