What is it about?

This paper presents the basics of wheel-rail interface and the railway dynamics fundamentals, one of the most complex and important engineering disciplines and the “heart” of the railway system. First an overview of the parameters of the track/vehicle system, in¤uencing the dynamic behaviour of railway vehicles and the historical evolution of the tasks and methods used in the field is given. Follows the wheel-rail interface chapter which deals with fundamentals of running behaviour in tangent track and curve negotiation ability, giving also practical examples of the impact of the operation conditions in the performances of the train and on the vehicle-track damage. Examples on wheel-rail damage due to wear and rolling contact fatigue and on the axleload cost assessment are discussed as well.

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Why is it important?

The aim of this paper is to present the main issues influencing the dynamic behaviour of railway vehicles and give an over- view of methods, simulation tools and processes used in engineering for the design optimization of rail vehicles and during the train acceptance tests.

Perspectives

The level of technical detail and the industry return on experience given will help engineers working in the railway industry and researchers to deal with different tasks and technical challenges related to running dynamics behaviour, during project development.

Dr Naim Kuka

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This page is a summary of: Dynamique ferroviaire et contact roue-rail - Principes de guidage, comportement dynamique et modes d'endommagement, December 2022, Editions Techniques de l Ingenieur,
DOI: 10.51257/a-v1-trp3077.
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