This paper refers to a numerical calculation method, in which the transition matrix method is employed. The method estimates torsional vibration amplitude of a crankshaft with a rubber damper by taking the dynamic characteristics of the rubber part into consideration.Firstly, the rubber part is replaced with a three-elemental Maxwell model, which is determined by the results of static tests, such as stress relaxation test, creep test and static torsional test. The basic data used for the determination of the element values on the Maxwell model are obtained by these tests.Secondly, the vibration system of a crankshaft with a rubber damper is replaced with a linear lumped model, in which the torsional stiffness and damping coefficient of the damper rubber part are decided by using the element values of the Maxwell model.Lastly, the calculated results by the transition matrix method in the vibration model are compared with the experimental results and it is shown that the torsional vibration amplitude can approximately analysed by this method.


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    Title :

    A Simulation Method for Crankshaft Torsional Vibration by Considering Dynamic Characteristics of Rubber Dampers


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE Noise and Vibration Conference and Exposition ; 1989



    Publication date :

    1989-05-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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