Realization of Fluid Boundary Conditions via Discrete Boltzmann Dynamics

Hudong Chen (), Chris Teixeira and Kim Molvig
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Hudong Chen: Exa Corporation, 450 Bedford Street, Lexington, Massachusetts, 02173, USA
Chris Teixeira: Exa Corporation, 450 Bedford Street, Lexington, Massachusetts, 02173, USA
Kim Molvig: Exa Corporation, 450 Bedford Street, Lexington, Massachusetts, 02173, USA

International Journal of Modern Physics C (IJMPC), 1998, vol. 09, issue 08, 1281-1292

Abstract: We describe a novel way based on lattice-Boltzmann representation for realizing hydrodynamic boundary conditions at a solid surface. It is shown that using this approach the resulting physics properties are independent of the position and the orientation of the surface with respect to the lattice mesh. The fluxes of mass, energy as well as both normal and tangential momenta can be accurately controlled to correspond to various fluid dynamics situations.

Keywords: Kinetic Theory; Boltzmann Equation; Flux Functions; Detailed Balance (search for similar items in EconPapers)
Date: 1998
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DOI: 10.1142/S0129183198001151

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