A semi-analytical method for the analysis of the high frequency vibrations of wheelset and railway track is presented. In first step a harmonically oscillating load is moving over a discretely supported rail. In a second step a wheelset, rolling over vertical sinusoidal irregularities, is considered. It will be shown that in boths cases of excitation the problem can be treated completely analytically. The only numerical step is the solution of an eigenvalue problem. This procedure can also be applied for the treatment of lateral vibrations. The method is used to investigate the influence of frequency and velocity of the moving load and the moving wheelset respectively on the vertical direct receptance of the rail. Finally it will be investigated whether such a complicated analysis is necessary for technical problems such as the calculation of corrugation growth rates.


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    Title :

    A discrete-continuous track-model for wheelsets rolling over short wavelength sinusoidal rail irregularities


    Additional title:

    Ein diskret-kontinuierliches Gleismodell für das Abrollen eines Radsatzes über sinusoidale Gleisunregelmässigkeiten kurzer Wellenlänge


    Contributors:
    Ilias, H. (author) / Müller, S. (author)


    Publication date :

    1994


    Size :

    13 Seiten, 9 Bilder, 7 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    A discrete-continuous track-model for wheelsets rolling over short wavelength sinusoidal rail irregularities

    Ilias,H. / Mueller,S. / Tech.Univ.Berlin,DE | Automotive engineering | 1994


    A discrete-continuous track-model for wheelsets rolling over short wavelength sinusoidal rail irregularities

    Ilias,H. / Mueller,S. / Tech.Univ.Berlin,Aerospace Inst.,DE | Automotive engineering | 1994



    A Discrete-continuous Track-model for Wheelset Rolling over Short Wave-length Sinusoidal Rail Irregularities

    Ilias, H. / Muller, S. / International Association for Vehicle System Dynamics | British Library Conference Proceedings | 1994


    Rail corrugation growth - Influence of powered wheelsets with wheel tread irregularities

    Johansson, Anders / Nielsen, Jens C.O. | Tema Archive | 2007