Measurements showing dynamic characteristics, stiffness and damping, of two rubber components having the same geometry but different blends, are presented. A model accounting for the rubber characteristics' frequency and amplitude dependencies is also presented. The amplitude dependency is realised by adding friction effects and the frequency dependency is included by a fractional calculus element called “spring-pot”. The model works in the time-domain with Newmark's time-stepping algorithm. Simulations display excellent agreement with measurements.


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    Title :

    Rubber Isolators - Measurements and Modelling using Fractional Derivatives and Friction


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Truck & Bus Meeting & Exposition ; 2000



    Publication date :

    2000-12-04




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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