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Dynamical heterogeneities close to a colloidal gel
Antonio M. Puertas, Matthias Fuchs, Michael E. Cates
Dynamical heterogeneities in a colloidal fluid close to gelation are studied by means of computer simulations. A clear distinction between some fast particles and the rest, slow on…
Physical and Computational Scaling Issues in Lattice Boltzmann Simulations of Binary Fluid Mixtures
M. E. Cates, J. -C. Desplat, P. Stansell +4
We describe some scaling issues that arise when using lattice Boltzmann methods to simulate binary fluid mixtures -- both in the presence and in the absence of colloidal particles.…
Mode Coupling and Dynamical Heterogeneity in Colloidal Gelation: A Simulation Study
Antonio M. Puertas, Matthias Fuchs, Michael E. Cates
We present simulation results addressing the dynamics of a colloidal system with attractive interactions close to gelation. Our interaction also has a soft, long range repulsive ba…
Equilibrium Onions?
L. Ramos, D. Roux, P. D. Olmsted +1
We demonstrate the possibility of a stable equilibrium multi-lamellar (``onion'') phase in pure lamellar systems (no excess solvent) due to a sufficiently negative Gaussian curvatu…
Glass transitions and shear thickening suspension rheology
C B Holmes, M E Cates, M Fuchs +1
We introduce a class of simple models for shear thickening and/ or `jamming' in colloidal suspensions. These are based on schematic mode coupling theory (MCT) of the glass transiti…
Simulating Colloid Hydrodynamics with Lattice Boltzmann
M. E. Cates, K. Stratford, R. Adhikari +4
We present a progress report on our work on lattice Boltzmann methods for colloidal suspensions. We focus on the treatment of colloidal particles in binary solvents and on the incl…