The vibration characteristics of the door panels are affected by the weatherstrip seals used in between the doors and vehicle body along the perimeter of the doors. The wheatherstrip seals exhibit nonlinear and viscoelastic material properties that vary with frequency, temperature, strain rate and amplitude, and previous load history. The material properties of the seal must be investigated carefully in order to predict the vibration characteristics of the automobiles under different loading conditions. In this study, we developed hyperelastic and viscoelastic models of the weatherstrip seal to predict dynamic performance of a vehicle door and its effect on the overall vehicle dynamics. For this purpose, first, static compression and stress relaxation experiments were performed on the seal using a robotic intender equipped with force and displacement sensors and then a finite element model utilising the results of these experiments was developed in ANSYS. Finally, a representative model of the seal was integrated into the finite element model of the vehicle door to investigate its effects on the vehicle vibrations. The model predictions were validated using experimental modal analysis performed on the vehicle door with and without the seal. It was observed that the seal has a significant effect on the vehicle dynamics.


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    Title :

    Material characteristics of a vehicle door seal and its effect on vehicle vibrations


    Additional title:

    Materialcharakteristik einer Fahrzeugtürdichtung und ihr Einfluss auf Fahrzeugschwingungen


    Contributors:
    Dikmen, E. (author) / Basdogan, I. (author)

    Published in:

    Vehicle System Dynamics ; 46 , 11 ; 975-990


    Publication date :

    2008


    Size :

    16 Seiten, 13 Bilder, 3 Tabellen, 12 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Material characteristics of a vehicle door seal and its effect on vehicle vibrations

    Dikmen, E. / Basdogan, I. | Taylor & Francis Verlag | 2008



    Material characteristics of a vehicle door seal and its effect on vehicle vibrations

    Dikmen,E. / Basdogan,I. / Koc Univ.,TR | Automotive engineering | 2008


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