For investigation of curving behaviour with random track irregularities it is possible to use a statistical linearization method. Unlike on straight track the statistical linearization on curves depends on both the mean values and the variances and convariances of the response variables. The nonlinear contact geometry parameters occuring in the random differential equations of motion can be directly linearized. The nonlinear creep forces can only bee statistically linearized by using the step by step method. The approximate treatment of the coupling relations between creep forces and normal contact forces using quasistatic iteration method can obviously simplify the statistical linearizations of the nonlinear creep forces.


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    Title :

    Statistical linearization of wheel/rail contact nonlinearities for investigating of curving behaviour with random track irregularities


    Additional title:

    Statistische Linearisierung der Nichtlinearitäten im Kontakt Rad/Gleis zur Untersuchung des Kurvenverhaltens mit beliebigen Streckenunregelmäßigkeiten


    Contributors:
    Zhang, Zhilian (author) / Knothe, K. (author)


    Publication date :

    1996


    Size :

    15 Seiten, 9 Bilder, 2 Tabellen, 10 Quellen





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    Statistical Linearization of Wheel/Rail Contact Nonlinearities for Investigation of Curving Behaviour with Random Track Irregularities

    Zhang, J. / Knothe, K. / International Association for Vehicle System Dynamics | British Library Conference Proceedings | 1996



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