期刊
VEHICLE SYSTEM DYNAMICS
卷 46, 期 -, 页码 937-955出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00423110802037180
关键词
freight train; numerical analysis; on-line tests; running safety
The paper presents an analysis of heavy freight train dynamics carried out both from a numerical and experimental point of view. A numerical procedure has been developed to investigate the dynamics of heavy freight trains; the proposed methodology combines a new numerical model designed for the longitudinal dynamics of the whole trainset called TSDyn (TrainSet Dynamics simulator) with a multibody code named MoNSTram (Modular Non-Stationary TRAMcar dynamics simulator) originally developed to analyse the dynamics of modular tramcars and used for a more detailed investigation of the response of a trainset segment. On-line tests have been carried out aiming at acquiring data both for the validation of the simulation code and for the characterisation of buffers' response. A numerical analysis is eventually presented to show the effect of trainset composition on running safety.
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