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Issue 35, 2017
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Pattern transitions in a compressible floating elastic sheet

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Thin rigid sheets floating on a liquid substrate appear, for example, in coatings and surfactant monolayers. Upon uniaxial compression the sheet undergoes transitions from a compressed flat state to a periodic wrinkled pattern to a localized folded pattern. The stability of these states is determined by the in-plane elasticity of the sheet, its bending rigidity, and the hydrostatics of the underlying liquid. Wrinkles and folds, and the wrinkle-to-fold transition, were previously studied for incompressible sheets. In the present work we extend the theory to include finite compressibility. We analyze the details of the flat-to-wrinkle transition, the effects of compressibility on wrinkling and folding, and the compression field associated with pattern formation. The state diagram of the floating sheet including all three states is presented.

Graphical abstract: Pattern transitions in a compressible floating elastic sheet

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Publication details

The article was received on 16 May 2017, accepted on 14 Jun 2017 and first published on 14 Jun 2017

Article type: Paper
DOI: 10.1039/C7CP03239K
Citation: Phys. Chem. Chem. Phys., 2017,19, 23817-23824
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    Pattern transitions in a compressible floating elastic sheet

    O. Oshri and H. Diamant, Phys. Chem. Chem. Phys., 2017, 19, 23817
    DOI: 10.1039/C7CP03239K

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