Volume 42, Number 3, May I 1998
|Page(s)||259 - 264|
|Section||Classical areas of phenomenology|
|Published online||01 September 2002|
A lattice Boltzmann model for particle transport and deposition
Computer Science Department, University of Geneva,
CH-1221 Geneva 4, Switzerland
Accepted: 16 March 1998
Solid particles (such as snow or sand) can get eroded and transported by the wind, and little understanding has been achieved in this domain. We propose a description of the phenomenon in terms of a cellular automata and lattice Boltzmann model. Numerical simulations show that plausible mechanisms are sufficient to explain a wide range of deposition patterns occurring at different space scales. In particular, we reproduce the so-called ripples, that is oscillations of the deposition surface for which no formation mechanism is clearly established.
PACS: 47.11.+j – Computational methods in fluid dynamics / 02.70.Ns – Molecular dynamics and particle methods / 05.40.+j – Fluctuation phenomena, random processes, and Brownian motion
© EDP Sciences, 1998
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