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Comment on the paper J. G. Zhou, Rectangular lattice Boltzmann method, Phys. Rev. E 81, 026705 (2010)

2010/12/13 by S. S. Chikatamarla, Shyam Chikatamarla, Chikatamarla, Shyam +3
Engineering · Physics and Astronomy · #Fluid Dynamics and Turbulent Flows #Lattice Boltzmann Simulation Studies #Model Reduction and Neural Networks #cond-mat.stat-mech

paper · pdf · doi:10.48550/arxiv.1012.2613

Accepted for publication in Phys. Rev. E

arxiv created 2010/12/13 · arxiv updated 2010/12/14

Abstract

It is shown both analytically and numerically that the suggested lattice Boltzmann model on rectangular grids leads to anisotropic dissipation of fluid momentum and thus it does not recover Navier-Stokes equations. Hence, it cannot be used for the simulation of hydrodynamics.

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