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    Crush Energy in Accident Reconstruction

    Crush Energy in Accident Reconstruction


    Vehicle accident reconstruction methods based on deformation energy are argued to be an increasingly valuable tool to the accident reconstructionist, provided reliable data, reasonable analysis techniques, and sound engineering judgement accompany their use. The evolution of the CRASH model of vehicle structural response and its corresponding stiffness coefficients are reviewed. It is concluded that the deformation energy for an accident vehicle can be estimated using the CRASH model provided that test data specific to the accident vehicle is utilized. Published stiffness coefficients for vehicle size categories are generally not appropriate. For the purpose of estimating vehicle deformation energy, a straight-forward methodology is presented which consists of applying the results of staged crash tests. The process of translating crush profiles to estimates of vehicle deformation energies and velocities is also discussed. This study is considered a first step in an effort to more completely understand and model the energy absorption processes of vehicle structures in real world crashes.

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    Titel :

    Crush Energy in Accident Reconstruction

    Weitere Titelangaben:

    Sae Technical Papers

    Beteiligte:
    Strother, Charles E. (Autor:in) / Warner, Charles Y. (Autor:in) / James, Michael B. (Autor:in) / Woolley, Ronald L. (Autor:in)
    Kongress:

    SAE International Congress and Exposition ; 1986

    Erschienen in:

    Sae Technical Paper Series

    Erscheinungsdatum :

    1986-02-24

    ISSN :

    2688-3627 , 0148-7191

    DOI :

    https://doi.org/10.4271/860371

    Medientyp :

    Aufsatz (Konferenz)

    Format :

    Print

    Sprache :

    Englisch

    Schlagwörter :

    Impact tests , Technical review , Reliability , Accident reconstruction , Scale models , Crashes

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