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11 papers · 2 filters
Emergence of macroscopic directed motion in populations of motile colloids
Antoine Bricard, Jean-Baptiste Caussin, Nicolas Desreumaux +2
From the formation of animal flocks to the emergence of coordinate motion in bacterial swarms, at all scales populations of motile organisms display coherent collective motion. Thi…
Rigidity sensing by stochastic sliding friction
Pierre Sens
The sliding friction force exerted by stochastic linkers interacting with a moving filament is calculated. The elastic properties of the substrate on which the linkers are anchored…
Relaxation and Intermediate Asymptotics of a Rectangular Trench in a Viscous Film
Oliver Bäumchen, Michael Benzaquen, Thomas Salez +5
The surface of a thin liquid film with nonconstant curvature flattens as a result of capillary forces. While this leveling is driven by local curvature gradients, the global bounda…
From adhesion to wetting of a soft particle
Thomas Salez, Michael Benzaquen, Elie Raphaël
Using a thermodynamical approach, we calculate the deformation of a spherical elastic particle placed on a rigid substrate, under zero external load, and including an ingredient of…
Local stresses in the Janssen granular column
T. Cambau, J. Hure, J. Marthelot
We study experimentally the distribution of local stresses in a granular material confined inside a vertical cylinder. We use an image correlation technique to measure the displace…
Correlating toughness and roughness in ductile fracture
Laurent Ponson, Ankit Srivastava, Shmulik Osovski +3
Three dimensional calculations of ductile crack growth under mode I plane strain, small scale yielding conditions are carried out using an elastic-viscoplastic constitutive relatio…