MULTIBODY SIMULATION OF A SLOW FRONT IMPACT OF THE ŠKODA 14 TR M TROLLEYBUS AGAINST A CONCRETE WALL

Abstract cze:
Abstrakt: A front impact against a concrete wall at the driving speed of 5 kmlh is one of the tests which are used for the verification of properties of public transport vehicles required by their keepers. In practice a slow front impact may occur e.g. during arrival in the bus depot. In that impact a permanent deformation of the vehicle structure should not occur. Simulation of a slow front impact of the SKODA 14 Tr M trolleybus was performed with a simple one-purpose multibody model using alaska program. Results of the mentioned simulation were used as input data for the COSMOSIM FEM program, which was applied in the calculation of the deformation of the trolley bus structure.

Abstract eng:
Abstract: A front impact against a concrete wall at the driving speed of 5 kmlh is one of the tests which are used for the verification of properties of public transport vehicles required by their keepers. In practice a slow front impact may occur e.g. during arrival in the bus depot. In that impact a permanent deformation of the vehicle structure should not occur. Simulation of a slow front impact of the SKODA 14 Tr M trolleybus was performed with a simple one-purpose multibody model using alaska program. Results of the mentioned simulation were used as input data for the COSMOSIM FEM program, which was applied in the calculation of the deformation of the trolley bus structure.

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