Abstract
An important question of railway vehicle dynamics is to understand which parameters affect the transformation between sub- and supercritical bifurcation in the stability assessment. Recent studies report effects of the equivalent conicity, the wheelset guidance stiffness and other parameters. Performing parameter variations using a typical bogie model with linear suspension components but considering all nonlinearities of wheel/rail contact geometry, this paper shows that the type of bifurcation depends predominantly on the nonlinearity of the wheel/rail contact geometry, while the effects of the equivalent conicity, the creep forces and the wheelset guidance stiffness are less important.
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Polach, O., Vuitton, J. (2020). Which Parameters Determine the Type of Bogie Hunting Bifurcation?. In: Klomp, M., Bruzelius, F., Nielsen, J., Hillemyr, A. (eds) Advances in Dynamics of Vehicles on Roads and Tracks. IAVSD 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-38077-9_57
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DOI: https://doi.org/10.1007/978-3-030-38077-9_57
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