The paper presents an acoustic rolling model formulated in the time domain. The model describes a smooth tyre rolling on a rough surface, and consists of three parts. The first part is a theoretical description of the vibrational behaviour of tyres. Although one can rely on fundamental work, a simplified model is presented which limits computational effort, but is sufficiently accurate in the low and middle frequency range. The second part describes the contact between tyre and road. A bedding model is used for the tread and a time iterative solution method applied to the nonlinear problem. The last step is the calculation of the radiated sound caused by a vibration of the tyre belt, taking into account the geometrical condition (i.e. tyre and road represent together a horn). This step is solved by the application of the multipole synthesis. The results of the model are compared with measurements.


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    Title :

    A mathematical model of tyre noise generation


    Additional title:

    Ein mathematisches Modell der Reifengeräuscherzeugung


    Contributors:
    Kropp, W. (author)

    Published in:

    Heavy Vehicle Systems ; 6 , 1-4 ; 310-329


    Publication date :

    1999


    Size :

    20 Seiten, 17 Bilder, 29 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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