Multibody System Dynamics

, Volume 43, Issue 1, pp 21–36 | Cite as

Study of the dynamic vehicle-track interaction in a railway turnout

  • Antonio Enrique Blanco-Saura
  • José Luis Velarte-González
  • Fran Ribes-Llario
  • Julia Irene Real-Herráiz
Article
  • 172 Downloads

Abstract

This paper analyzes the vertical dynamic response of a railway track subjected to traffic loads in a turnout, especially around the switch blades and the crossing nose. In order to study the influence of vehicle and track parameters on the vehicle-track dynamics, a numerical feedback interaction between a multi-body model of the vehicle and a 3D finite elements model of the track is carried out. For this purpose, two different models are developed. In the first one, the track is modeled by means of a FE model in the time domain through ANSYS software; while in the second one, the vehicle is simulated as a multi-body model by means of VAMPIRE PRO software. The influence of different parameters (e.g., speed, sprung masses, track stiffness and vehicle eigenfrequencies) on the generation of dynamic loads in a turnout, especially in the switch blades and the crossing nose, is studied. Finally, the vibrations induced by the passing of the vehicle are calculated for different scenarios.

Keywords

Finite element method Multi-body system Rail-wheel interaction Turnout 

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Copyright information

© Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  • Antonio Enrique Blanco-Saura
    • 1
  • José Luis Velarte-González
    • 1
  • Fran Ribes-Llario
    • 1
  • Julia Irene Real-Herráiz
    • 1
  1. 1.University Institute for Multidisciplinary MathematicsPolytechnic University of ValenciaValenciaSpain

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