In order to design the appropriate crashworthy structure of a locomotive vehicle, the two-layer thin-walled structures were taken as research objects. The efficient non-linear explicit dynamic finite element analysis software, ANSYS/LS-DYNA, was adopted to research the energy absorption characteristics of the one-layer thin-walled structure and the two-layer, thin-walled structure. The results have shown that the evaluation parameters (the energy-absorbing efficiency, the buffer index) of energy absorption characteristics of two-layer, thin-walled structures are better than those of one-layer structures. An idea of using two-layer thin-walled structure as an energy-absorbing element of a crashworthy vehicle is put forward. The results of simulation on two-layer, thin-walled structures with different shapes have also shown that the dimensions of the inner-layer have effect on energy absorption characteristics.


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    Title :

    Research on the Crashworthiness of Two-Layer Thin-Walled Structures


    Contributors:
    Xiao, Shoune (author) / Shan, Qiyu (author) / Yang, Guangwu (author) / Chen, Hanzhen (author)

    Conference:

    Ninth International Conference of Chinese Transportation Professionals (ICCTP) ; 2009 ; Harbin, China


    Published in:

    Publication date :

    2009-07-23




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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