206 citations · 542 across the 28 of their papers we have counts for
23 papers · 1 filter
Mapping cell cortex rheology to tissue rheology, and vice-versa
Étienne Moisdon, Pierre Seez, Camille Noûs +3
The mechanics of biological tissues mainly proceeds from the cell cortex rheology. A direct, explicit link between cortex rheology and tissue rheology remains lacking, yet would be…
Pendulums, Drops and Rods: a physical analogy
Benoît Roman, Cyprien Gay, Christophe Clanet
A liquid meniscus, a bending rod (also called elastica) and a simple pendulum are all described by the same non-dimensional equation. The oscillatory regime of the pendulum corresp…
Gas pressure in bubble attached to tube circular outlet
A Salonen, Cyprien Gay, A Maestro +2
In the present Supplementary notes to our work "Arresting bubble coarsening: A two-bubble experiment to investigate grain growth in presence of surface elasticity" (accepted in EPL…
Some fundamentals of adhesion in synthetic adhesives
Cyprien Gay
Various adhesion mechanisms that have been understood in the field of synthetic adhesives are described and these are linked with situations relevant to fouling issues. The review…
Questioning the relationship between the 4 susceptibility and the dynamical correlation length in a glass former
Rémy Colin, Ahmed Alsayed, Cyprien Gay +1
Clusters of fast and slow correlated particles, identified as dynamical heterogeneities (DHs), con-stitute a central aspect of glassy dynamics. A key ingredient of the glass transi…
Potential "ways of thinking" about the shear-banding phenomenon
M. A. Fardin, T. J. Ober, C. Gay +3
Shear-banding is a curious but ubiquitous phenomenon occurring in soft matter. The phenomenological similarities between the shear-banding transition and phase transitions has push…
Non-linear oscillatory rheological properties of a generic continuum foam model: comparison with experiments and shear-banding predictions
Sylvain Bénito, François Molino, Charles-Henri Bruneau +2
The occurence of shear bands in a complex fluid is generally understood as resulting from a structural evolution of the material under shear, which leads (from a theoretical perspe…
Note and calculations concerning elastic dilatancy in 2D glass-glass liquid foams
François Molino, Pierre Rognon, Cyprien Gay
When deformed, liquid foams tend to raise their liquid contents like immersed granular materials, a phenomenon called dilatancy. We have aready described a geometrical interpretati…
Extensive collection of femtoliter pad secretion droplets in beetle Leptinotarsa decemlineata allows nanoliter microrheology
Bérengère Abou, Cyprien Gay, Bastien Laurent +4
Pads of beetles are covered with long, deformable setae, each ending in a micrometric terminal plate coated with secretory fluid. It was recently shown that the layer of the pad se…
A tentative geometrical description of static dilatancy in liquid foams: ordered 2D and 3D foams
Pierre Rognon, François Molino, Cyprien Gay
Liquid foams have been observed to behave like immersed granular materials in at least one respect: deformation tends to raise their liquid contents, a phenomenon called dilatancy.…
Plateau border bulimia transition: discontinuities expected in three simple experiments on 2D liquid foams
Pierre Rognon, François Molino, Cyprien Gay
We describe the geometry of foams squeezed between two solid plates (2D GG foams) in two main asymptotic regimes: fully dry floor tiles and dry pancakes. We predict an abrupt trans…
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…
Dense granular flows: interpolating between grain inertia and fluid viscosity based constitutive laws
Pierre Rognon, Cyprien Gay
A scalar constitutive law was recently obtained for dense granular flows from a two-grain argument, both in the inertial regime (grain inertia) and in the viscous regime. As the re…
Dense granular flows: two-particle argument accounts for friction-like constitutive law with threshold
Pierre Rognon, Cyprien Gay
A scalar constitutive law is obtained for dense granular flows, both in the inertial regime where the grain inertia dominates, and in the viscous regime. Considering a pair of grai…
An elasto-visco-plastic model for immortal foams or emulsions
Sylvain Bénito, Charles-Henri Bruneau, Thierry Colin +2
A variety of complex fluids consist in soft, round objects (foams, emulsions, assemblies of copolymer micelles or of multilamellar vesicles -- also known as onions). Their dense pa…
Slippery or sticky ! Control of wrinkling patterns by selective adhesion
Hugues Vandeparre, Julien Léopoldès, Christophe Poulard +4
Wrinkling patterns at the metallized surface of thin polymer films are shown to be sensitive to the sticky or slippery character of the polymer/substrate interface (titanium coatin…
Understanding crack versus cavitation in pressure-sensitive adhesives: the role of kinetics
Jérémie Teisseire, F. Nallet, P. Fabre +1
We perform traction experiments on viscous liquids highly confined between parallel plates, a geometry known as the probe-tack test in the adhesion community. Direct observation du…
Cavitation-induced force transition in confined viscous liquids under traction
S. Poivet, F. Nallet, C. Gay +1
We perform traction experiments on simple liquids highly confined between parallel plates. At small separation rates, we observe a simple response corresponding to a convergent Poi…
Stress Propagation in Two Dimensional Frictional Granular Matter
Rava da Silveira, Guillaume Vidalenc, Cyprien Gay
The stress profile and reorientation of grains, in response to a point force applied to a preloaded two dimensional granular system, are calculated in the context of a continuum th…
Anisotropic elastic theory of preloaded granular media
Cyprien Gay, Rava da Silveira
A macroscopic elastic description of stresses in static, preloaded granular media is derived systematically from the microscopic elasticity of individual inter-grain contacts. The…
Inwardly curved polymer brushes : Concave is not like Convex
Manoel Manghi, Miguel Aubouy, Cyprien Gay +1
Inwardly curved polymer brushes are present in cylindrical and spherical micelles or in membranes tubes and vesicles decorated with anchored polymers, and influence their stability…
Comb-like polymers inside nanoscale pores
Cyprien Gay, Elie Raphael
A new method of polymer characterization, based on permeation studies using nanoscale pores, was recently proposed by Brochard and de Gennes. In the present paper, we study how thi…
Hysteretic behavior of a polymer molecule immersed in an incompatible melt
Cyprien Gay, Elie Raphael
The radius of gyration of a polymer chain immersed in a low molecular weight solvent is known to vary monotonically with the solvent quality. Here, we consider the behavior of a ch…