2012•Keisan Rikigaku Koenkai koen ronbunshu/Keisan Rikigaku Kouenkai kouen rombunshuuOpen access

1303 Study on application of lattice Boltzmann method for flow simulation at high Reynolds number

Takumi Yamanaka, Tomohiro FUKUI, Koji MORINISHI

Abstract

The most basic form of LBM is lattice Bhatnager-Groos-Krook (LBGK) model. LBGK requires relatively large number of lattices to simulate flow at even moderately high Reynolds number. Various methods for improving numerical stability of LBM have been proposed. In this work, we examined RLBM and MRT-LBM implementation for three-dimensional lid-driven cavity flow at high Reynolds number.

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Key concepts: Reynolds number, Lattice Boltzmann methods, Mechanics, Statistical physics, Flow (mathematics), Magnetic Reynolds number, Hydrodynamic stability, Physics