THERMAL LATTICE BOLTZMANN SIMULATION OF VISCOUS FLOW IN A SQUARE CAVITY

Xiao-Yang Lü (), Chao-Ying Zhang (), Mu-Ren Liu, Ling-Jiang Kong and Hua-Bing Li ()
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Xiao-Yang Lü: Department of Physics, Fudan University, Shanghai 200433, China;
Chao-Ying Zhang: College of Physics and Information Engineering, Guangxi Normal University, Guilin, Guangxi 541004, China
Mu-Ren Liu: College of Physics and Information Engineering, Guangxi Normal University, Guilin, Guangxi 541004, China
Ling-Jiang Kong: College of Physics and Information Engineering, Guangxi Normal University, Guilin, Guangxi 541004, China
Hua-Bing Li: Department of Information Material Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China

International Journal of Modern Physics C (IJMPC), 2005, vol. 16, issue 06, 867-877

Abstract: The 13-speed thermal lattice Bhatnagar–Gross–Krook model on hexagonal lattice is a single relaxation time model with an adjustable parameter λ which makes the Prandtl number tunable. This model maintains the simplicity of the lattice Boltzmann method (LBM) and is also suitable for various thermal fluids. In this paper, it is applied to simulations of the lid-driven flow in a square cavity at a wide range of Reynolds numbers. Numerical experiments show that this model can give the same accurate results as those by the conventional numerical methods.

Keywords: Thermal lattice Boltzmann method; Reynolds number; Prandtl number; cavity flow (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0129183105007583

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