This paper describes a new concept of an active honeycomb structure for morphing wingtip applications based on tubular inflatable systems and an auxetic cellular structure. A work-energy model to predict the output honeycomb displacement versus input pressure is developed together with a finite element formulation, and the results are compared with the data obtained from a small-scale example of an active honeycomb. An analysis of the hysteresis associated with multiple cyclic loading is also provided, and design considerations for a larger-scale wingtip demonstrator are made.


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    Titel :

    Active inflatable auxetic honeycomb structural concept for morphing wingtips


    Beteiligte:
    Sun, Jian (Autor:in) / Gao, Hongliang (Autor:in) / Scarpa, Fabrizio (Autor:in) / Lira, Cristian (Autor:in) / Liu, Yanju (Autor:in) / Leng, Jinsong (Autor:in)

    Erschienen in:

    Smart Materials and Structures ; 23 , 12 ; 125023/1-125023/11


    Erscheinungsdatum :

    2014


    Format / Umfang :

    11 Seiten, 50 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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