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Article Dans Une Revue Vehicle System Dynamics Année : 2023

A comparison of track model formulations for simulation of dynamic vehicle-track interaction in switches and crossings

Résumé

This paper compares different track model formulations for the simulation of dynamic vehicle-track interaction in switches and crossings (S&C, turnouts) in a multi-body simulation (MBS) environment. The investigations are an extension of the S&C simulation Benchmark with the addition of a finite element model of a 60E1-760-1:15 turnout. This model constitutes a common reference from which four different track formulations are derived: co-running, modal superposition, finite element incorporated into the MBS model and finite element coupled to MBS using a co-simulation approach. For the different track models, the difference in modelling technique, results, simulation time, and suitability for different simulation tasks is compared. A good agreement is found between the different track model formulations for wheel-rail contact forces and rail displacements. This study found a better agreement between co-running and structural track models compared to previous studies in the prediction of wheel-rail contact forces. This appears to be due to the increased complexity of co-running track model used in this study together with a tuning of the co-running track model to the reference model in a wider frequency range. For the reader interested to reproduce the results in this paper, the reference track model is available for download.

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hal-03591115 , version 1 (28-02-2022)
hal-03591115 , version 2 (16-10-2023)

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Björn A Pålsson, Ramakrishnan Ambur, Michel Sebès, Ping Wang, Jou-Yi Shih, et al.. A comparison of track model formulations for simulation of dynamic vehicle-track interaction in switches and crossings. Vehicle System Dynamics, 2023, 61 (3), pp.698-724. ⟨10.1080/00423114.2021.1983183⟩. ⟨hal-03591115v2⟩
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