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    Development of a Parametric Vehicle Front Structure Model for Pedestrian Impact Simulations

    Development of a Parametric Vehicle Front Structure Model for Pedestrian Impact Simulations


    In this study, a simplified, parametric vehicle front structure was proposed to represent the real vehicle when impacted with full-scale finite element pedestrian human body model (HBM). To capture the real impact responses of human lower limbs, the real vehicle energy-absorbing structures were modeled using distributed beam elements and deformable shell elements to replicate the contact characteristics between vehicle and HBM. An investigation of vehicle front-end profile characteristics in worldwide popular sedan models was conducted to determine the ranges of geometry variables. A local stiffness measurement approach is also proposed. The simplified model is further validated using a detailed sedan model, and the impact responses of HBM in the two simulations correlate quite well with each other. Therefore it can be further used in the DOE study or optimization work in the vehicle front structure design for pedestrian lower limb impact protection.

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    Title :

    Development of a Parametric Vehicle Front Structure Model for Pedestrian Impact Simulations

    Contributors:
    Nie, Bingbing (author) / Huang, Jun (author) / Xia, Yong (author) / Zhou, Qing (author) / Deng, Bing (author) / Neal, Mark (author)
    Published in:

    FISITA, World Automotive Congress, 2012 ; 295-309

    Lecture Notes in Electrical Engineering ; 197

    Publication date :

    2012

    Size :

    15 Seiten

    ISBN :

    978-3-642-33805-2 , 978-3-642-33804-5

    ISSN :

    1876-1100

    DOI :

    https://doi.org/10.1007/978-3-642-33805-2_24

    Type of media :

    Conference paper

    Type of material :

    Print

    Language :

    English

    Keywords :

    Finite-Elemente-Methode , Deformationsglied , Strukturmodell , Körperfunktionsmodell , Steifigkeit , Mehrkörpermodell , Karosserieteil , Karosseriemodul , Karosserieanbauteil , Schlagprüfung , Einschlussbestimmung , statistische Versuchsplanung

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