Computational methods are described to predict wheelset steady-state curving performance. A methodology is developed to compute various performance measures including wheelset lateral excursion, angle of attack, lateral and vertical wheel-rail forces as well as wheel-rail wear indices. A discussion of the required degrees of freedom, appropriate coordinate systems, and creep force representation of a nonlinear wheelset model is presented. In addition, assumptions required to characterize single-point and two-point wheel-rail contact are described. Equilibrium conditions for a wheelset result in coupled sets of nonlinear algebraic equations, which are solved using nested iteration loops. Using this numerical solution procedure, typical performance results are presented.


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    Titel :

    Computational methods for rail vehicle steady-state curving analysis


    Weitere Titelangaben:

    Rechenverfahren fuer die Untersuchung der stetigen Kurvenfahrt bei Eisenbahnfahrzeugen


    Beteiligte:
    Nagurka, M.L. (Autor:in) / Bell, C.E. (Autor:in) / Hedrick, J.K. (Autor:in) / Wormley, D.N. (Autor:in)


    Erscheinungsdatum :

    1982


    Format / Umfang :

    27 Seiten, 15 Bilder, 26 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch








    Analysis of Rail Transit Vehicle Dynamic Curving Performance

    D. N. Wormley / J. K. Hedrick / M. L. Nagurka | NTIS | 1984