New typologies of 3-dimensional composite materials are being developed during the last few years. These new materials constituted by braided, weft or warp knitted and 3-D weaved composites pre-forms, present excellent out of plane mechanical properties. In this paper, tubular energy absorbers built up from carbon-glass hybrid braided composites are analysed by means of finite element method, with explicit integration along time of the dynamical balance equation. A new material model for braided composites is introduced in the open finite element codes by means of subroutines. Braided materials with carbon fibre 0-degree directions, glass fibre on +/- alpha directions are studied. Moreover, different fibre orientation angles and geometry of the triggering devices are analysed in order to obtain the optimum configuration in terms of specific energy absorption.


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    Titel :

    Crashworthiness simulation of braided composite tubes for energy absorbers


    Weitere Titelangaben:

    Simulation der Aufprallschutzgüte eines Schlauchgewebe-Komposits als Energieabsorber


    Beteiligte:
    Castejon, L. (Autor:in) / Bielsa, J.M. (Autor:in) / Larrode, E. (Autor:in) / Miravete, A. (Autor:in)


    Erscheinungsdatum :

    2000


    Format / Umfang :

    8 Seiten, 16 Bilder, 5 Tabellen, 8 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Castejon,P.L. / Mielsa,J.M. / Larrode,E. et al. | Kraftfahrwesen | 2000


    00SAF010 Crashworthiness Simulation of Braided Composite Tubes for Energy Absorbers

    Castejon, L. / Bielsa, J. M. / Larrode, E. et al. | British Library Conference Proceedings | 2000


    Energy absorption of braided composite tubes

    Beard,S.J. / Chang,F.K. / Stanford Univ.,US | Kraftfahrwesen | 2002


    Design of braided composite tubes for energy absorption

    Beard, Shawn / Chang, Fu-Kuo | AIAA | 2001


    Axial crushing performance of braided composite tubes

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