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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Modeling of the impact of railway wheel on a rail
 Valeš, František ; Červ, Jan ; Tikal, B. ; Adámek, V.
This contribution concerns the simulation of wave phenomena originating by impacts of a railway wheel on a rail. With respect to the character of these phenomena running in time of microsecond order, it is not possible to model contacting bodies in true dimensions. Hence the model research has to be used and dimensions of bodies are chosen in such way so that the numerical solution (FEM) is feasible.The influence of material models (elastic and plastic) are studied in this work.Furthermore, the influence of plastic layer generated during wheel service on wave phenomena in the wheel is investigated.
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