The rear-end crash pulse generator has been considered to be a key device for performing car impact safety research under laboratory conditions. According to the international regulation, ECE R44, the polyurethane (PU) tube was recommended to produce a standard rear-end pulse. However, little literatures on the impact dynamics of PU tube were known. In this study, a was established under ANSYS/LS-DYNA. With this finite element model, the following conditions to generate the standard rear-end impact pulses were determined: the initial impact velocity of sled was 30 km/h, the resultant mass of sled was 680 kg, number of PU-tubes was three, and outer diameter of olive knob was 46 mm. Compared with the standard deceleration-time curve of actual rear-end crash, this finite element model of rear-end crash pulse generator was preliminarily validated.


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    Titel :

    Modeling of a Rear-End Crash Pulse Generator


    Beteiligte:
    Chen, Hai-Bin (Autor:in) / Zhang, Ling (Autor:in) / Zhang, Li-Ying (Autor:in) / Cheng, Xue-Mei (Autor:in) / Wang, Zheng-Guo (Autor:in)


    Erscheinungsdatum :

    2012


    Format / Umfang :

    6 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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