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27 papers · 2 filters
Single-Trajectory Characterization of Active Swimmers in a Flow
Gaspard Junot, Eric Clément, Harold Auradou +1
We develop a maximum likelihood method to infer relevant physical properties of elongated active particles. Using individual trajectories of advected swimmers as input, we are able…
Active boundary layers
Jérôme Hardoüin, Claire Doré, Justine Laurent +3
The role of boundary layers in conventional liquid crystals is commonly subsumed in their anchoring on confining walls. In the classical view, anchoring enslaves the orientational…
Flow and rheology of frictional elongated grains
Dániel B. Nagy, Philippe Claudin, Tamás Börzsönyi +1
The rheology of a 3-dimensional granular system consisting of frictional elongated particles was investigated by means of discrete element model (DEM) calculations. A homogenous sh…
Morphogenesis through elastic phase separation in a pneumatic surface
Emmanuel Siéfert, Benoît Roman
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…
Collapse and cavitation during drying of water-saturated PDMS sponges with closed porosity
Phu Tuan Anh Nguyen, Matthieu Vandamme, Artem Kovalenko
In this paper, we study the drying of water-saturated porous polydimethylsiloxane (PDMS) elastomers with closed porosity in which the evaporation of water is possible only via the…
Contactless rheology of finite-size air-water interfaces
Vincent Bertin, Zaicheng Zhang, Rodolphe Boisgard +4
We present contactless atomic-force microscopy measurements of the hydrodynamic interactions between a rigid sphere and an air bubble in water at the micro-scale. The size of the b…