MODELLING OF THE RAILWAY WHEELSET MOVEMENT CONSIDERING REAL GEOMETRY

Abstract eng:
Problem of wheelset rolling on rails is commonly solved problem of engineering practice. Only ideal geometry of the wheelset is used in majority of studies to simulate its movement. However, shape irregularities appear as a result of wear and they have great influence on the movement. In this paper a model is presented which can be used to simulate wheelset motion in the three dimensional space. Shape irregularities are implemented into the model and diverse ways to calculate the contact forces are presented and compared with respect to accuracy of results they provide and their demands on computer equipment.

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