7 papers · 1 filter
Topological and geometrical disorder correlate robustly in two-dimensional foams
Catherine Quilliet, Shirin Ataei Talebi, David Rabaud +3
A 2D foam can be characterised by its distribution of bubble areas, and of number of sides. Both distributions have an average and a width (standard deviation). There are therefore…
Anisotropic colloids through non-trivial buckling
Catherine Quilliet, Carmen Zoldesi, Christophe Riera +2
We present a study on buckling of colloidal particles, including experimental, theoretical and numerical developments. Oil-filled thin shells prepared by emulsion templating show b…
Depressions at the surface of an elastic spherical shell submitted to external pressure
Catherine Quilliet
Elasticity theory calculations predict the number N of depressions that appear at the surface of a spherical thin shell submitted to an external isotropic pressure. In a model that…
Bubbles in sheared two-dimensional foams
C. Quilliet, M. A. P. Idiart, B. Dollet +2
Oscillatory shear on two-dimensional monodisperse liquid foams was performed. We show that the effect of the oscillatory shear is to cause the migration of bubbles which size is gr…
Simulations of viscous shape relaxation in shuffled foam clusters
Gilberto L. Thomas, Jose C. M. Mombach, Marco Idiart +2
We simulate the shape relaxation of foam clusters and compare them with the time exponential expected for Newtonian fluid. Using two-dimensional Potts Model simulations, we artific…
Two-dimensional flows of foam: drag exerted on circular obstacles and dissipation
Benjamin Dollet, Florence Elias, Catherine Quilliet +3
A Stokes experiment for foams is proposed. It consists in a two-dimensional flow of a foam, confined between a water subphase and a top plate, around a fixed circular obstacle. We…