A new optimization procedure to design the surface shape of tire patterns is proposed in which the optimality criteria are combined with finite element method. The effectiveness of this new procedure to control tread-element contact pressure distribution was verified by building and testing the rubber block samples. The objective function was the pressure uniformity on the block and the constraint was to keep the contact area in the optimization process. The shape of the optimized surface was round at the edges and concave at the centre where the pressure was large in the flat surface block. The pressure of the block with the optimized surface became uniform and the friction coefficient increased 10 % on dry compared with the flat surface block. Furthermore, this procedure was applied to complicated block shapes such as tire patterns and it was verified that the optimized surface effectively improved vehicle handling, riding comfort and irregular wear.


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    Title :

    Surface shape optimization of tire pattern by optimality criteria


    Additional title:

    Oberflächenformoptimierung von Reifenprofilen durch Optimal-Kriterien


    Contributors:
    Nakajima, Y. (author) / Takahashi, F. (author) / Abe, A. (author)

    Published in:

    Publication date :

    2003


    Size :

    17 Seiten, 19 Bilder, 1 Tabelle, 21 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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