The Foundation of the DLR RailwayDynamics Library: the Wheel-Rail-Contact

Andreas Heckmann
German Aerospace Center (DLR), Institute of System Dynamics and Control, Oberpfaffenhofen, Wessling, Germany

Alexander Keck
German Aerospace Center (DLR), Institute of System Dynamics and Control, Oberpfaffenhofen, Wessling, Germany

Ingo Kaiser
German Aerospace Center (DLR), Institute of System Dynamics and Control, Oberpfaffenhofen, Wessling, Germany

Bernhard Kurzeck
German Aerospace Center (DLR), Institute of System Dynamics and Control, Oberpfaffenhofen, Wessling, Germany

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp14096465

Ingår i: Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Linköping Electronic Conference Proceedings 96:49, s. 465-475

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Publicerad: 2014-03-10

ISBN: 978-91-7519-380-9

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


The formulation of the wheel-rail contact is a crucial issue in simulations considering the running dynamics of railway vehicles. Therefore a modeling environment that is dedicated to railway vehicle dynamics such as the new DLR RaiwayDynamics Library relies on an efficient representation of the kinematics and forces or torques; respectively; that appear at the wheel-rail interface. A number of different formulations have been developed since the underlying rolling contact problem was firstly discussed in literature in 1876. The paper overviews these wheel-rail contact formulations and then presents the implemented variants in detail. The DLR RailwayDynamics Library is used to model and simulate the behavior of an experimental scaled M 1:5 running gear operating on the DLR roller rig. The simulations results are compared and validated with measurements.


Railway vehicles; wheel-rail contact; vehicle dynamics; multibody simulation


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