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LATTICE-BOLTZMANN MODELS FOR MASS DIFFUSION
Sun Chenghai, Wang Baoguo, Shen Mengyu
CHINESE JOURNAL OF COMPUTATIONAL PHYSICS
1997, 14 (S1):
671-673.
A multispecies,multispeeds lattice Boltzmann model is presented to study the mass diffusion properties.The diffusion equations are derived by the Chapman-Enskog method.The one dimensional simulations for the sinusoidal concentration distributions are compared with the theoretical results,showing good agreement.The numerical simulations for 2-D convection diffusion problems are also presented.
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