Numerical stability of Entropic versus positivity-enforcing Lattice Boltzmann schemes

F. Tosi, S. Ubertini, S. Succi, H. Chen and I.V. Karlin

Mathematics and Computers in Simulation (MATCOM), 2006, vol. 72, issue 2, 227-231

Abstract: A preliminary study of the non-linear stability properties of entropic schemes versus positivity-enforcing (FIX-UP) schemes is presented for the case of two-dimensional cavity flow. It is shown that, although they operate on fairly distinct schedules, both methods achieve substantial stability enhancements over the standard single-time relaxation Lattice Boltzmann scheme.

Keywords: Lattice Boltzmann scheme; Entropic schemes; Positivity-enforcing (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:72:y:2006:i:2:p:227-231

DOI: 10.1016/j.matcom.2006.05.007

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