Research results concerning the simulation of the crushing behaviour of composite systems with energy absorption characteristics are presented in the present work. The study is focused on the 'tensor skin' concept, an energy absorbing composite system that was originally developed to improve the crashworthiness of helicopters under water impact and which is promising for utilization in the construction of the lower part of composite fuselage aircraft. The 'tensor skin' concept comprises a folded or corrugated composite construction, which upon loading unfolds by forming 'plastic hinges', leading to an increase in the load bearing capability of the structure. The numerical modelling issues and the critical aspects of the simulation are discussed. Verification of the numerical simulation procedure is performed by experimental work. The experimental results utilized to assess and validate the numerical procedure were derived within the European Research Project 'Design for Crash Survivability - CRASURV' (BRITE - Aeronautics Area). The results of the simulations are generally in good agreement with experimental data.


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    Title :

    Crushing behaviour of the energy absorbing 'tensor skin' panels


    Contributors:


    Publication date :

    2003


    Size :

    9 Seiten, 20 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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