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7 papers · 2 filters
Unexpected decoupling of stretching and bending modes in protein gels
Thomas Gibaud, Alessio Zaccone, Emanuela Del Gado +2
We show that gels formed by arrested spinodal decomposition of protein solutions exhibit elastic properties in two distinct frequency domains, both elastic moduli exhibiting a rema…
Modelling Washboard Road: from experimental measurements to linear stability analysis
Baptiste Percier, Sébastien Manneville, Nicolas Taberlet
When submitted to the repeated passages of vehicles unpaved roads made of sand or gravel can develop a ripply pattern known as washboard or corrugated road. We propose a stability…
Hydrodynamics of confined active fluids
Tommaso Brotto, Jean-Baptiste Caussin, Eric Lauga +1
We theoretically describe the dynamics of swimmer populations confined in thin liquid films. We first demonstrate that hydrodynamic interactions between confined swimmers only depe…
Simple and faithful nonlinear field equations for aligning self-propelled rods
Anton Peshkov, Igor S. Aranson, Eric Bertin +2
We derive a set of minimal yet complete nonlinear field equations describing the collective properties of self-propelled rods from a simple microscopic starting point, the Vicsek m…
Rheological hysteresis in soft glassy materials
Thibaut Divoux, Vincent Grenard, Sébastien Manneville
The nonlinear rheology of a soft glassy material is captured by its constitutive relation, shear stress vs shear rate, which is most generally obtained by sweeping up or down the s…
Continuous theory of active matter systems with metric-free interactions
Anton Peshkov, Sandrine Ngo, Eric Bertin +2
We derive a hydrodynamic description of metric-free active matter: starting from self-propelled particles aligning with neighbors defined by "topological" rules, not metric zones,…