Fourth order Galilean invariance for the lattice Boltzmann method

Fourth order Galilean invariance for the lattice Boltzmann method •We derive lattice Boltzmann models with fourth order accuracy of the advection. •One model uses a body centered cubic lattice. •One model uses 33 speeds on a simple cubic lattice. •One model uses 27 speeds and a correction using finite differences. •The bod centered lattice is found to be stable only for high viscosity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Computers & Fluids Elsevier

Fourth order Galilean invariance for the lattice Boltzmann method

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0045-7930
eISSN
1879-0747
D.O.I.
10.1016/j.compfluid.2018.01.015
Publisher site
See Article on Publisher Site

Abstract

•We derive lattice Boltzmann models with fourth order accuracy of the advection. •One model uses a body centered cubic lattice. •One model uses 33 speeds on a simple cubic lattice. •One model uses 27 speeds and a correction using finite differences. •The bod centered lattice is found to be stable only for high viscosity.

Journal

Computers & FluidsElsevier

Published: Apr 30, 2018

References

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