Journal
VEHICLE SYSTEM DYNAMICS
Volume 54, Issue 12, Pages 1688-1714Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00423114.2016.1228988
Keywords
Longitudinal train dynamics; draft gear and buffer; air brake; locomotive and wagon dumper; modelling and simulation; computing methods
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This paper discusses the evolution of longitudinal train dynamics (LTD) simulations, which covers numerical solvers, vehicle connection systems, air brake systems, wagon dumper systems and locomotives, resistance forces and gravitational components, vehicle in-train instabilities, and computing schemes. A number of potential research topics are suggested, such as modelling of friction, polymer, and transition characteristics for vehicle connection simulations, studies of wagon dumping operations, proper modelling of vehicle in-train instabilities, and computing schemes for LTD simulations. Evidence shows that LTD simulations have evolved with computing capabilities. Currently, advanced component models that directly describe the working principles of the operation of air brake systems, vehicle connection systems, and traction systems are available. Parallel computing is a good solution to combine and simulate all these advanced models. Parallel computing can also be used to conduct three-dimensional long train dynamics simulations.
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