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Issue 22, 2016
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Rising beyond elastocapillarity

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We consider the elastocapillary rise between swellable structures using a favorable solvent. We characterize the dynamic deformations and resulting equilibrium configurations for various beams. Our analysis reveals the importance of the spacing between the two beams, and the elastocapillary length lec, which prescribes the relative magnitude of surface tension and bending stiffness in the system. In particular, we rationalize the transition between coalescence-dominated, bending-dominated, and swelling-dominated regimes, and enumerate the subtle interfacial mechanisms at play in the ratcheting of a fluid droplet trapped between the curling beams.

Graphical abstract: Rising beyond elastocapillarity

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The article was received on 08 Feb 2016, accepted on 06 Apr 2016 and first published on 07 Apr 2016

Article type: Communication
DOI: 10.1039/C6SM00329J
Soft Matter, 2016,12, 4886-4890

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    Rising beyond elastocapillarity

    D. P. Holmes, P.-T. Brun, A. Pandey and S. Protière, Soft Matter, 2016, 12, 4886
    DOI: 10.1039/C6SM00329J

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