Entropic Lattice Boltzmann Scheme

Francesca Tosi, Stefano Ubertini, Sauro Succi

Abstract


In the recent years the entropic version of the lattice Boltzmann
method (ELBM) has made proof of significantly enhanced numerical
stability due to its compliance with the Boltzmann H-theorem.

The comparison with the standard single-time relaxation form of
the lattice Boltzmann equation and with a more empirical
procedure, shows that ELBM offers higher stability at a moderate
price in terms of computational overhead. The benchmark simulation
of the two-dimensional lid-driven cavity flow, we used in this
work, shows a good agreement with the standard single-time
relaxation form of the lattice Boltzmann equation and with
literature data.

[DOI: 10.1685 / CSC06148] About DOI

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DOI: http://dx.doi.org/10.1685/




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