Lateral dynamics of a railway vehicle in tangent track and curve: tests and simulation

A mathematical model for the simulation in time domain of the dynamic behav iour of a railway vehicle running in tangent track and curve is presented i n the paper. The main features of the model,with particular emphasys on the subject of w heel-rail contact are described, and some comparisons with experimental dat a coming from line tests are presented. The topics of wheel rail contact modelling and of defining a suitable, freq uency dependent model for the anti-yaw dampers appear from these comparison s to be critical in order to obtain satisfactory results.