A project is being carried out at Manchester Metropolitan University to examine the effects of different vehicles on track deterioration and consequent maintenance costs. A number of track settlement models have been investigated including those published by Prof. Sato in Japan and a model based on laboratory experiments at the Technical University of Munich. The MEDYNA simulation package has been used to generate the equations of motion for the vehicles being studied and time stepping integration routines used to predict motions and forces as required. The ADAMS/Rail package has also been used to assist with the visualization of the models and the predicted behaviour. Inputs to the model were made at each wheelset. These were either idealized discrete events such as dipped rail joints or measured values from real sections of track. The results are presented here for three vehicles with different types of suspension and for two of the track settlement models. All of the settlement models used predict that the suspension characteristics have a large effect on the rate of track deterioration. The general trends in predicted track settlement rate agree between the two settlement models but there are also some very significant variations in the relative rates for some cases.


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    Titel :

    Track settlement prediction using computer simulation tools


    Beteiligte:
    Iwnicki, S. (Autor:in) / Grassie, S. (Autor:in) / Kik, W. (Autor:in)


    Erscheinungsdatum :

    2000


    Format / Umfang :

    10 Seiten, 14 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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