Central-moments-based lattice Boltzmann schemes with force-enriched equilibria

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Abstract

This paper presents a numerical scheme to account for external forces in the central-moments-based lattice Boltzmann method. Instead of deriving additional forcing operators, here we propose to incorporate forces directly in the equilibrium populations. The resultant concise methodology is validated against established well-defined problems admitting analytical solution, showing very good accuracy and convergence rate. Moreover, it outperforms the classical BGK kernel in terms of stability.

Original languageEnglish
Article number34003
JournalEPL
Volume117
Issue number3
DOIs
Publication statusPublished - 13 Mar 2017

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