Discrete lattice effects on the forcing term in the lattice Boltzmann method
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- 10 April 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 65 (4), 046308
- https://doi.org/10.1103/physreve.65.046308
Abstract
We show that discrete lattice effects must be considered in the introduction of a force into the lattice Boltzmann equation. A representation of the forcing term is then proposed. With the representation, the Navier-Stokes equation is derived from the lattice Boltzmann equation through the Chapman-Enskog expansion. Several other existing force treatments are also examined.Keywords
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