Wheel/rail geometric constraint relationships, such as the effective conicity and gravitational stiffness, strongly influence the lateral dynamics of railway vehicles. In general, these geometric constraints are nonlinear functions of the wheelset lateral displacement. This report describes the development and validation of an analytical procedure to determine these nonlinear functions for arbitrary wheel and rail profiles. Data for validation of this analysis was obtained experimentally. Experimental and analytical data for three validation cases are presented. Results of a limited parametric study are also reported. The computer program for the analytical procedure is described and documented.


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    Title :

    Analytical and experimental determination of nonlinear wheel/rail geometric constraints


    Additional title:

    Analytische und experimentelle Bestimmung der nichtlinearen geometrischen Schiene-Rad Grenzwerte


    Contributors:
    Cooperrider, N.K. (author) / Law, E.H. (author) / Hull, R. (author)

    Published in:

    Publication date :

    1975


    Size :

    182 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English






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