Abstract
A computer model of a freight gondola car equipped with 18–100 bogies has been constructed in order to study the parameters of passing through curves. Numerical modeling has been performed for a freight car passing through S-shaped curves with radii of 350, 650, and 1000 m at speeds in a range of 30–90 km h–1 with the prescribed condition fulfilled. The work done by friction forces that act upon the car and its elements has been estimated.
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