The object of this study is to clarify wrinkling behavior of a shear-enforced flat rectangular membrane with free boundaries. For this purpose, an equilibrium path tracking method using a finite element method is developed. This method includes bifurcation path tracking analysis that searches for bifurcation solutions. This method establishes an image of membrane behavior by calculating a series of successive equilibrium states before and after bifurcation buckling. Through detailed analysis of stress, displacement fields, and wrinkle interaction over a load parameter range, the analysis shows how existing wrinkles affect each other and the generation of new wrinkles. As a result, there is wrinkle generation with bifurcation and without bifurcation. The wrinkle generation mechanism without bifurcation is analyzed in detail. Wrinkle generation caused by bifurcations could potentially result in a large number of equilibrium paths. Each equilibrium path represents a specific wrinkle pattern. However, the analyzed results show that significantly fewer equilibrium paths are obtained than expected. These are due to wrinkle generation without bifurcations and to deformation symmetry.


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    Titel :

    Wrinkle Generation Without Bifurcation in a Shear-Enforced Rectangular Membrane with Free Boundaries


    Beteiligte:
    Senda, Kei (Autor:in) / Petrovic, Mario (Autor:in) / Nakanishi, Kei (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2015-03-03


    Format / Umfang :

    17 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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    Senda, Kei / Petrovic, Mario / Nakanishi, Kei | Elsevier | 2015


    Wrinkle Generation Mechanism without Buckling in Sheared Rectangular Membrane

    Senda, K. / Nakanishi, K. / Takagi, K. et al. | British Library Conference Proceedings | 2012


    Wrinkle Generation Mechanism without Buckling in Sheared Rectangular Membrane

    Senda, Kei / Nakanishi, Kei / Takagi, Kazuya | AIAA | 2012