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DYNAMIC MODELLING OF RAILWAY TRACK BASED ON WAVE PROPAGATION

โœ Scribed by L. Gry

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
464 KB
Volume
195
Category
Article
ISSN
0022-460X

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โœฆ Synopsis

In order to reduce the noise generated in the environment during a train's passage, studies have been carried out to model the track behaviour in dynamics. Models based on a rail description by Timoshenko beams were found to be insufficient, especially for lateral motion where torsion phenomena caused a large discrepancy between calculations and experimental measurements. Therefore a model was developed allowing for rail section strains and based on a description of waves travelling through the rail. A very satisfactory agreement with experimental data was reached both for lateral and vertical motions in a low to medium frequency range with a cheap calculation time cost.

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