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Investigation of Train Dynamics in Passing Through Curves Using a Full Model

[+] Author Affiliations
Mohammad Durali, Mohammad Mehdi Jalili Bahabadi

Sharif University of Technology, Tehran, Iran

Paper No. RTD2004-66044, pp. 83-88; 6 pages
  • ASME/IEEE 2004 Joint Rail Conference
  • Joint Rail
  • Baltimore, Maryland, USA, April 6–8, 2004
  • Conference Sponsors: Rail Transportation Division
  • ISBN: 0-7918-4163-4
  • Copyright © 2004 by ASME


In this article a train model is developed for studying train derailment in passing through bends. The model is three dimensional, nonlinear, and considers 43 degrees of freedom for each wagon. All nonlinear characteristics of suspension elements as well as flexibilities of wagon body and bogie frame, and the effect of coupler forces are included in the model. The equations of motion for the train are solved numerically for different train conditions. A neural network was constructed as an element in solution loop for determination of wheel-rail contact geometry. Derailment factor was calculated for each case. The results are presented and show the major role of coupler forces on possible train derailment.

Copyright © 2004 by ASME



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