This paper presents a modeling method for prediction of low-frequency road noise in a steady-state condition where rotating tires are excited by actual road profile undulation input.The proposed finite element (FE) tire model contains not only additional geometric stiffness related to inflation pressure and axle load but also Coriolis force and centrifugal force effects caused by tire rotation for precise road noise simulation. Road inputs act on the nodes of each rib in the contact patch of the stationary tire model and move along them at the driving velocity. The nodes are enforced to displace in frequency domain based on the measured road profile.Tire model accuracy was confirmed by the spindle forces on the rotating chassis drum up to 100Hz where Coriolis force effect should be considered. Full vehicle simulation results showed good agreement with the vibration measurement of front/rear suspension at two driving velocities.


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    Titel :

    Tire and Road Input Modeling for Low-Frequency Road Noise Prediction


    Weitere Titelangaben:

    Sae International Journal of Passenger Cars. Mechanical Systems
    Sae Int. J. Passeng. Cars – Mech. Syst


    Beteiligte:
    Yamaoka, Hiroo (Autor:in) / Kido, Ichiro (Autor:in) / Hashioka, Masato (Autor:in) / Tsuchiyama, Minoru (Autor:in) / Ueyama, Sagiri (Autor:in) / Yamamoto, Seigo (Autor:in)

    Kongress:

    SAE 2011 Noise and Vibration Conference and Exhibition ; 2011



    Erscheinungsdatum :

    17.05.2011


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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