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cond-mat.soft2026
Impact of shear and dilational membrane viscosities on capsule shape and dynamics under shear flow: a theoretical study
Paul Regazzi, Marc Leonetti
In artificial (micro)capsules or cells such as red blood cells for example, the two-dimensional (2D) rheology of the membrane (or the shell) is viscoelastic and not only elastic. T…
cond-mat.soft2026
Deformation and orientation of a capsule with viscosity contrast in linear flows: a theoretical study
Paul Regazzi, Marc Leonetti
We develop a perturbation theory to study the shape and the orientation of an initially spherical capsule of radius R with a viscosity contrast, a surface tension σ and a bending r…
cond-mat.soft2024
Drop deformation with soluble surfactants in linear flows: role of adsorption-desorption
Paul Regazzi, Marc Leonetti
Drop deformation in shear flow is determined up to second order theory in Ca while considering kinetic effects on surfactants distributions in steady state. Surfactants inside the…