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Morphogenesis through elastic phase separation in a pneumatic surface

Abstract : We report a phenomenon of phase separation that relates in many aspects to Yves Couder's work: an inflatable architectured elastomer plate, expected to expand homogeneously in its plane, buckles instead widely out-of-plane into very complex shape when internal pressure is applied. We show that this morphogenetic pattern formation is due to a two-dimensional elastic phase separation, which induces incompatible patchy non-Euclidean reference metric.
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https://hal.archives-ouvertes.fr/hal-03015131
Contributor : Benoit Roman <>
Submitted on : Friday, November 20, 2020 - 2:41:11 PM
Last modification on : Sunday, November 22, 2020 - 3:24:48 AM

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Emmanuel Siéfert, Benoît Roman. Morphogenesis through elastic phase separation in a pneumatic surface. Comptes Rendus Mécanique, Elsevier Masson, 2020, 348 (6-7), pp.649-657. ⟨10.5802/crmeca.43⟩. ⟨hal-03015131⟩

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