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Wheel and rail geometries, involving both cross sectional profiles and geometry along the moving direction with varying shapes due to wear, have a significant effect on vehicle dynamic performance and operating safety. A wheel profile optimal design method based on nurbs curve was present in this paper. The wheel profile is obtained for given rolling radii difference function ` ' and rail profile...
The stresses in rails under wheel loads have a strong bearing on the safety of railway transportation. A prediction of stresses in rails is of interest to both manufacturers and operators. In the past, several models have been developed for the problem. However, due to the complexity of the problem, there is still no ??standard model?? available. The issue addressed in this paper is how to design...
In this paper, the vehicle-track system of city track traffic is being studied as a whole. The links between tools used by different engineering disciplines in the city track traffic field is investigated. A database of tool shares been set up and is being used to establish links between tools and, more importantly, gaps where tools are not interfacing as they could. The structure of the database...
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