On the nonlinear membrane approximation and edge-wrinkling

C. D. D. Coman, Andrew P. Bassom

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    The wrinkling of a uniformly stretched thin elastic plate subjected to a pressure acting perpendicular to its surface is re-visited. The problem is tackled under the assumption that the basic state can be adequately described by an appropriate nonlinear membrane analysis. That this simplification might be reasonable was suggested by recent related work in which numerical simulations showed that bending effects tend to be negligible for typical load levels that cause the initial axisymmetric deformation of the plate to bifurcate into an asymmetric mode. The effect of this seemingly unimportant change on the asymptotic description of the wrinkling instability is fully investigated here, and a direct quantitative assessment is made with earlier results in which the bending resistance of the axisymmetric deformation mode was accounted for. (C) 2015 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)85-94
    Number of pages10
    JournalInternational Journal of Solids and Structures
    Volume82
    DOIs
    Publication statusPublished - 2016

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