A Lattice Boltzmann Subgrid Model for High Reynolds Number Flows

1994/01/28 by S. Hou, Shengwen Hou, J. Sterling +8 · 5 citations
Computer Science · Engineering · Physics and Astronomy · #Aerosol Filtration and Electrostatic Precipitation #Cellular Automata and Lattice Gases (nlin.CG) #FOS: Physical sciences #Generative Adversarial Networks and Image Synthesis #Lattice Boltzmann Simulation Studies #comp-gas #nlin.CG

paper · pdf · doi:10.48550/arxiv.comp-gas/9401004

latex

arxiv created 1994/01/28 · openalex publication_date 1994/01/28 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A subgrid turbulence model for the lattice Boltzmann method is proposed for high Reynolds number fluid flow applications. The method, based on the standard Smagorinsky subgrid model and a single-time relaxation lattice Boltzmann method, incorporates the advantages of the lattice Boltzmann method for handling arbitrary boundaries and is easily implemented on parallel machines. The method is applied to a two-dimensional driven cavity flow for studying dynamics and the Reynolds number dependence of the flow structures. The substitution of other subgrid models, such as the dynamic subgrid model, in the framework of the LB method is discussed.

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