As an important vibration damping element in automobile industries, the vibration transmitted from the engine to the frame can be reduced effectively because of rubber mount. The influence of preload on the static characteristics of rubber mount and the constitutive parameters identification of Mooney-Rivlin model under preload were studied. Firstly, a test rig for stiffness measurement of rubber mount under preload was designed and the influence of preload on the force versus displacement of mount was studied. Then, the model for estimating force versus displacement of rubber mount was established. The response surface model for parameters identification was established. And the identification method for estimating parameters of Mooney-Rivlin model of rubber mount was proposed with the crow search algorithm. Taking the rubber mount as the research object and taking the parameters of Mooney-Rivlin model as the variables. Then, using response polynomials corresponding to different force-displacement curves as the objective functions, a least squares method is used to ontain constitute parameters of Mooney-Rivlin model. The force versus displacement for the mount is estimated using the obtained parameters of Mooney-Rivlin model along with the developed model. The results show that the relative errors calculated with parameters identified under preload are keeping in 10% in all working conditions. The real force performance of the rubber mount is better reflected by the parameters identified under preload. The parameters identification method proposed in this paper can provide reference for the accurate identification of constitutive parameters.


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    Titel :

    Material Parameter Identification Method for Rubber Mount Constitutive Equation


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Sun, Jiawei (Autor:in) / Shangguan, Wenbin (Autor:in) / Liu, Xiaoang (Autor:in) / Ou Yang, Yi-Hong (Autor:in)

    Kongress:

    Noise and Vibration Conference & Exhibition ; 2023



    Erscheinungsdatum :

    2023-05-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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