![The sweet spot of wheel-rail contact modelling](https://mappingignorance.org/app/uploads/2016/03/TransportationMuseum_wheels_hdr-320x180.jpg)
The sweet spot of wheel-rail contact modelling
Trains are one of the least consuming means of transport, and it is mainly due to the metallic wheels and rails: there is almost no energy dissipation due to the rolling contact. Of course, not everything is so great with a steel wheel rolling on a steel rail, as the loads transferred between them can […]