High frequency response of frogs using dynamic impact measurements.

April 8, 2014 in

Conference Paper

Anthonie Boogaard

Arend Schwab, Zili Li


Proceedings of the 2nd International Conference on Railway Technology: Research, Development and Maintenance
Year: 2014
Location: Corsica


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Models for straight tracks are widespread and well established. More recently the focus has shifted towards more complex geometries, such as insulated joints and frogs. A number of possible models for a frog have already been published, but currently no proper validation in a dynamic sense has been performed. This paper presents the preliminary results of dynamic impact tests on a frog and its components. These measurements are validated with a finite element model. This model is then used to extract important features which influence the dynamic response of a crossing up to 3000 Hz.