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6 papers · 2 filters
Nonequilibrium fluctuations of an interface under shear
Marine Thiébaud, Thomas Bickel
The steady state properties of an interface in a stationary Couette flow are addressed within the framework of fluctuating hydrodynamics. Our study reveals that thermal fluctuation…
Shear-induced fractures and three-dimensional motions in an organogel
P. Grondin, S. Manneville, J. -L. Pozzo +1
The flow behavior of a viscoelastic organogel is investigated using ultrasonic velocimetry combined with rheometry. Our gel presents a decreasing flow curve, i.e., the measured str…
Superposition rheology of shear-banding wormlike micelles
P. Ballesta, M. P. Lettinga, S. Manneville
Wormlike micelle solutions are submitted to small-amplitude oscillatory shear superimposed to steady shear in the shear banding regime. By imposing a shear oscillation, the interfa…
Stretching and squeezing of sessile dielectric drops by the optical radiation pressure
Hamza Chraibi, Didier Lasseux, Eric Arquis +2
We study numerically the deformation of sessile dielectric drops immersed in a second fluid when submitted to the optical radiation pressure of a continuous Gaussian laser wave. Bo…
Simulation of an optically induced asymmetric deformation of a liquid-liquid interface
Hamza Chraibi, Didier Lasseux, Eric Arquis +2
Deformations of liquid interfaces by the optical radiation pressure of a focused laser wave were generally expected to display similar behavior, whatever the direction of propagati…
Soft Dynamics simulation: 2. Elastic spheres undergoing a T1 process in a viscous fluid
Pierre Rognon, Cyprien Gay
Robust empirical constitutive laws for granular materials in air or in a viscous fluid have been expressed in terms of timescales based on the dynamics of a single particle. Howeve…