168 citations · 271 across the 8 of their papers we have counts for
14 papers
Anisotropic diffusion limited aggregation in three dimensions - universality and non-universality
Nicholas R. Goold, Ellak Somfai, Robin C. Ball
We explore the macroscopic consequences of lattice anisotropy for Diffusion Limited Aggregation (DLA) in three dimensions. Simple cubic and BCC lattice growths are shown to approac…
Modeling viscoelastic flow with discrete methods
Ellak Somfai, Alexander N. Morozov, Wim van Saarloos
The hydrodynamics of viscoelastic materials (for example polymer melts and solutions) presents interesting and complex phenomena, for example instabilities and turbulent flow at ve…
Elastic wave propagation in confined granular systems
Ellak Somfai, Jean-Noel Roux, Jacco H. Snoeijer +2
We present numerical simulations of acoustic wave propagation in confined granular systems consisting of particles interacting with the three-dimensional Hertz-Mindlin force law. T…
Growth by Random Walker Sampling, and Scaling of the Dielectric Breakdown Model
Ellak Somfai, Nicholas R. Goold, Robin C. Ball +2
Random walkers absorbing on a boundary sample the Harmonic Measure linearly and independently: we discuss how the recurrence times between impacts enable non-linear moments of the…
Packing geometry and statistics of force networks in granular media
Jacco H. Snoeijer, Martin van Hecke, Ellak Somfai +1
The relation between packing geometry and force network statistics is studied for granular media. Based on simulations of two-dimensional packings of Hertzian spheres, we develop a…
Diffusion-limited aggregation in channel geometry
Ellak Somfai, Robin C. Ball, Jason P. DeVita +1
We performed extensive numerical simulation of diffusion-limited aggregation in two dimensional channel geometry. Contrary to earlier claims, the measured fractal dimension D = 1.7…