Journal
PHYSICS LETTERS A
Volume 380, Issue 1-2, Pages 83-87Publisher
ELSEVIER
DOI: 10.1016/j.physleta.2015.09.002
Keywords
Elasto-capillary system; Capillary origami; Nonlinear plate; Energy minimization
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Funding
- National Science Foundation [1304090]
- Direct For Mathematical & Physical Scien
- Division Of Mathematical Sciences [1304090] Funding Source: National Science Foundation
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We describe a global approach to the problem of capillary origami that captures all unfolded equilibrium configurations in the two-dimensional setting where the drop is not required to fully wet the flexible plate. We provide bifurcation diagrams showing the level of encapsulation of each equilibrium configuration as a function of the volume of liquid that it contains, as well as plots representing the energy of each equilibrium branch. These diagrams indicate at what volume level the liquid drop ceases to be attached to the endpoints of the plate, which depends on the value of the contact angle. As in the case of pinned contact points, three different parameter regimes are identified, one of which predicts instantaneous encapsulation for small initial volumes of liquid. (C) 2015 Elsevier B.V. All rights reserved.
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