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

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

2010-12-13

arxiv.org/abs/1012.2613v1

Physics

Condensed Matter

Statistical Mechanics

Accepted for publication in Phys. Rev. E

Scientific paper

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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