A finite element model of a rolling tire has been developed using the MSC/NASTRAN commercial FE code. The techniques for dealing with modelling issues such as non-linear effects during tire inflation and application of the hub load have been described. The modelling of tire/ground contact presents specific problems, which in this case have been dealt with by the use of slide-line contact analysis. The required change in the boundary conditions from the application of tire pre-load to the rotation of the tire meant that a two-stage solution strategy was implemented, using MSC/NASTRAN's static solution SOL 105 to progressively apply vertical force to the groundplane, causing the fully restrained tire to deflect, then using a restart procedure to read in the non-linear data base, obtained from the static solution, into SOL 129 for tire rotation. The results obtained from the simulation of the classic case of a tire traversing a cleat produced results which were in good agreement with measured data obtained from a rig test mimicking the simulation.


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    Title :

    Finite element modelling of rotating tires in the time domain


    Additional title:

    Finite-Elemente-Modellierung von Reifen im Zeitbereich


    Contributors:

    Published in:

    Publication date :

    2002


    Size :

    15 Seiten, 9 Bilder, 1 Tabelle, 22 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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