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Liquid Droplets Act as “Compass Needles” for the Stresses in a Deformable Membrane

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Title: Liquid Droplets Act as “Compass Needles” for the Stresses in a Deformable Membrane
Authors: Schulman, Rafael D. Browse this author
Ledesma-Alonso, René Browse this author
Salez, Thomas Browse this author
Raphaël, Elie Browse this author
Dalnoki-Veress, Kari Browse this author
Issue Date: 11-May-2017
Publisher: American Physical Society
Journal Title: Physical Review Letters
Volume: 118
Start Page: 198002-1
End Page: 198002-6
Publisher DOI: 10.1103/PhysRevLett.118.198002
PMID: 28548527
Abstract: We examine the shape of droplets atop deformable thin elastomeric films prepared with an anisotropic tension. As the droplets generate a deformation in the taut film through capillary forces, they assume a shape that is elongated along the high tension direction. By measuring the contact line profile, the tension in the membrane can be completely determined. Minimal theoretical arguments lead to predictions for the droplet shape and membrane deformation that are in excellent agreement with the data. On the whole, the results demonstrate that droplets can be used as probes to map out the stress field in a membrane.
Rights: ©2017 American Physical Society
Type: article
Appears in Collections:国際連携研究教育局 : GI-CoRE (Global Institution for Collaborative Research and Education : GI-CoRE) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)


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