Inlet and outlet boundary conditions for the Lattice-Boltzmann modelling of shallow water flows Online publication date: Tue, 25-Nov-2014
by H. Liu; J.G. Zhou; R. Burrows
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 12, No. 1, 2012
Abstract: In Lattice-Boltzmann modelling of shallow water flows, an approach for a constant discharge Qin at the inflow and a fixed water depth h* at the outflow is proposed in this paper. It maintains the prescribed conditions, meanwhile keeps the variables consistent with those outside the flow domain. The effectiveness of the approach is demonstrated by two numerical tests: flows in a straight channel and in a divergent channel.
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