Outflow boundary conditions for the lattice Boltzmann method
by Michael Junk, Zhaoxia Yang
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 8, No. 1/2/3/4, 2008

Abstract: In this paper, we propose lattice Boltzmann implementations of several Navier-Stokes outflow boundary conditions like the zero normal-stress, the Neumann, and the do-nothing rule. A consistency analysis using asymptotic methods is given and the algorithms are numerically tested in two space dimensions with respect to accuracy and interaction with the inner flow field.

Online publication date: Wed, 30-Apr-2008

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