A modern railway train is a complex mechanical system, the movement of which is determined by mechanical, dynamic, electrical, and thermodynamic processes. It is necessary to consider analytical models of varying degrees of complexity of their oscillations and interaction with the railway track to solve numerous problems regarding the dynamics of rail vehicles. Often there is a need to take into account the longitudinal forces transmitted to the railcar from neighboring railcars, as well as their components in the vertical and horizontal transverse directions. These forces can be obtained from the solution of the train dynamics problem and then used to study the dynamics of a single railcar. However, in a number of papers, analytical models appear in which the problems of train dynamics and spatial oscillations of a railcar are combined together. When combining the problems solved in the dynamics of the train and the spatial oscillations of a single railcar, the studied rail vehicle is considered according to the full design scheme and neighboring ones according to the simplified one. The spatial oscillations of a train of freight railcars moving along a section of the track with vertical and horizontal irregularities are described in the presented analytical model.
Multibody Model of Freight Railcars Interaction in a Train
Energy, Environment, and Sustainability
2023-06-14
25 pages
Article/Chapter (Book)
Electronic Resource
English
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