A SIMPLE METHOD TO CONSTRUCT LOCAL EQUILIBRIUM FUNCTION FOR LATTICE BOLTZMANN METHOD

P. Wang () and S. Q. Zhang
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P. Wang: Yangtze Center of Mathematics and College of Mathematics, Sichuan University, Chengdu 610064, P. R. China
S. Q. Zhang: Yangtze Center of Mathematics and College of Mathematics, Sichuan University, Chengdu 610064, P. R. China

International Journal of Modern Physics C (IJMPC), 2013, vol. 24, issue 06, 1-14

Abstract: We have developed a simple method to construct local equilibrium function for lattice Boltzmann method (LBM). This new method can make LBM model satisfy compressible flow with a flexible specific-heat ratio. Test cases, including the one-dimensional Sod flow, one-dimensional Lax flow and thermal Couette flow are presented. Good results obtained using proposed new method, indicate that the proposed method is potentially capable of constructing of the local equilibrium function for LBM.

Keywords: Fluid mechanics; lattice Boltzmann method; local equilibrium function; 02.70.-c; 47.11.-j; 47.40.-x (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1142/S0129183113500381

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