Triggers can be implemented in the design of crash box to help in achieving desired deformation pattern, energy absorption and peak force value. In this study, crashworthiness of glass fibre reinforced plastic (GFRP) composite crash box structures with novel geometrically intrinsic triggers has been studied extensively for different types of geometric cross sections. In this study, GFRP crash boxes with four types of cross sections: square, cylindrical, hexagonal and decagonal are considered. Six different types of novel triggers, namely; type-1 slot, type-2 slot, type-3 slot, thickness variation 1, thickness variation 2 and thickness variation 3 are applied to all the types of crash boxes. A comparative numerical analysis is done to study the effect of each trigger on the energy absorption of crash boxes in low velocity impact, based on the ‘Research Council for Automobile Repairs’ test popularly known as the ‘RCAR’ test. Force versus displacement curves were plotted for each case providing detailed insights into the force variation during deformation. The objective of this study is to highlight the effect of triggers on crashworthiness of GFRP crash boxes made of various cross sections and also to showcase the relative effect of each trigger type on the energy and force variation; with the variation of cross section of the crash boxes.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Numerical investigation into the effect of various trigger configurations on crashworthiness of GFRP crash boxes made of different types of cross sections



    Published in:

    Publication date :

    2017-09-03


    Size :

    17 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    An experimental and numerical crashworthiness investigation of thermoplastic composite crash boxes

    Zarei, Hamidreza / Kröger, Matthias / Albertsen, Henrik | Tema Archive | 2008


    Design of aluminium foam-filled crash boxes of square and circular cross-sections

    Hanssen,A.G. / Hopperstad,O.S. / Langseth,M. et al. | Automotive engineering | 2001


    Techniques for correlation of drop weight impact testing and numerical simulation for composite GFRP crash boxes using Ls-Dyna

    Hussain, N. Nasir / Regalla, Srinivasa Prakash / Rao, Yendluri V. Daseswara | Taylor & Francis Verlag | 2022



    Human Crashworthiness and Crash Load Limits

    H. E. Vongierke / J. W. Brinkley | NTIS | 1988