Unstructured lattice Boltzmann equation with memory

S. Ubertini, G. Bella and S. Succi

Mathematics and Computers in Simulation (MATCOM), 2006, vol. 72, issue 2, 237-241

Abstract: Starting from a second-order differential form of the semi-discrete Boltzmann equation, we construct a new finite-volume lattice Boltzmann equation on unstructured grids (ULBE). The new scheme (ULBE with memory) is demonstrated for the case of a Taylor-vortex flow and shown to produce stable and accurate results with time-step more than an order of magnitude above the standard LBE stability threshold.

Keywords: Lattice Boltzmann equation; Unstructured grids; Memory term; Stability (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:72:y:2006:i:2:p:237-241

DOI: 10.1016/j.matcom.2006.05.009

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