Summary We investigate the dynamics of a simple model of a wheelset that supports one end of a railway freight wagon by springs with linear characteristics and dry friction dampers. The wagon runs on an ideal, straight and level track with constant speed. The lateral dynamics in dependence on the speed is examined. We have included stick-slip and hysteresis in our model of the dry friction and assume that Coulomb's law holds during the slip phase. It is found that the action of dry friction completely changes the bifurcation diagram, and that the longitudinal component of the dry friction damping forces destabilizes the wagon.
The Dynamics of a Railway Freight Wagon Wheelset With Dry Friction Damping
Vehicle System Dynamics ; 38 , 2 ; 149-163
2002-08-01
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The Dynamics of a Railway Freight Wagon Wheelset With Dry Friction Damping
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