NASA NTRS · 19890067345
Inhomogeneous diffusion-limited aggregation
Abstract
It is demonstrated here that inhomogeneous diffusion-limited aggregation (DLA) model can be used to simulate viscous fingering in a medium with inhomogeneous permeability and homogeneous porosity. The medium consists of a pipe-pore square-lattice network in which all pores have equal volume and the pipes have negligible volume. It is shown that fluctuations in a DLA-based growth process may be tuned by noise reduction, and that fluctuations in the velocity of the moving interface are multiplicative in form.
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Selinger, Robin Blumberg, Nittmann, Johann, Stanley, H. E.. 1989-09-01. Inhomogeneous diffusion-limited aggregation. https://ntrs.nasa.gov/citations/19890067345
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