Numerical stability of entropic versus positivity-enforcing Lattice Boltzmann schemes

Tosi, F., Ubertini, S., Succi, S., Chen, H. and Karlin, I.V. (2006) Numerical stability of entropic versus positivity-enforcing Lattice Boltzmann schemes. Mathematics and Computers in Simulation, 72, (2-6), 227-231. (doi:10.1016/j.matcom.2006.05.007).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.matcom.2006.05.007
ISSNs: 0378-4754 (print)
Related URLs:
Keywords: lattice boltzmann scheme, entropic schemes, positivity-enforcing
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > TA Engineering (General). Civil engineering (General)
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Thermofluids and Superconductivity
ePrint ID: 49246
Accepted Date and Publication Date:
9 September 2006Published
Date Deposited: 26 Oct 2007
Last Modified: 31 Mar 2016 12:26

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