This paper presents the application to full vehicle finite element simulation of a steady state rolling tire/wheel/cavity finite element model developed in previous work and validated at the subsystem level. Its originality consists in presenting validation results not only for a wheel on a test bench, but for a full vehicle on the road. The excitation is based on measured road data. Two methods are considered: enforced displacement on the patch centerline and enforced displacement on a 2D patch mesh. Finally the importance of taking the rotation of the tire into account is highlighted. Numerical results and test track measurements are compared in the 20-300 Hz frequency range showing good agreement for wheel hub vibration as well as for acoustic pressure at the occupant’s ears.


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    Title :

    Improved Full Vehicle Finite Element Tire Road Noise Prediction


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Noise and Vibration Conference and Exhibition ; 2017



    Publication date :

    2017-06-05




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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