Oblique wrinkles

M. Carfagna, M. Destrade, A. L. Gower, A. Grillo

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    Abstract

    We prove theoretically that when a soft solid is subjected to an extreme deformation, wrinkles can form on its surface at an angle that is oblique to a principal direction of stretch. These oblique wrinkles occur for a strain that is smaller than the one required to obtain wrinkles normal to the direction of greatest compression. We go on to explain why they will probably never be observed in real-world experiments. This article is part of the themed issue 'Patterning through instabilities in complex media: Theory and applications'.

    Original languageEnglish
    Article number20160158
    JournalPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
    Volume375
    Issue number2093
    Early online date3 Apr 2017
    DOIs
    Publication statusPublished - 13 May 2017

    Keywords

    • Coated half-space
    • Incremental stability
    • Wrinkling

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