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Num. Meth. Prog., 2016, Volume 17, Issue 3, Pages 212–223 (Mi vmp829)  

Study of properties of a finite-difference scheme for the advection stage implementation in the lattice Boltzmann method

G. V. Krivovichev, E. S. Marnopolskaya

Saint Petersburg State University

Abstract: A finite-difference single-parameter scheme for solving the system of advection equations arising in the application of the method of splitting into physical processes to a system of kinetic equations is studied. The stability analysis is performed using the Neumann method. A stability domain in the “scheme's parameter-Courant number” plane is constructed. It is shown that an appropriate choice of this parameter allows one to regulate the dispersive and dissipative properties of the scheme. An approach of choosing the optimal parameter is proposed on the basis of an optimization of dispersive and dissipative surfaces. An efficiency of the scheme with the optimal parameter is illustrated by the numerical solution of the cavity flow problem and the problem on the propagation of shear waves in viscous fluid.

Keywords: lattice Boltzmann method, splitting into physical processes, advection equation, stability with respect to initial conditions, Neumann method.

Full text: PDF file (376 kB)
UDC: 519.62
Received: 17.05.2016

Citation: G. V. Krivovichev, E. S. Marnopolskaya, “Study of properties of a finite-difference scheme for the advection stage implementation in the lattice Boltzmann method”, Num. Meth. Prog., 17:3 (2016), 212–223

Citation in format AMSBIB
\Bibitem{KriMar16}
\by G.~V.~Krivovichev, E.~S.~Marnopolskaya
\paper Study of properties of a finite-difference scheme for the advection stage implementation in the lattice Boltzmann method
\jour Num. Meth. Prog.
\yr 2016
\vol 17
\issue 3
\pages 212--223
\mathnet{http://mi.mathnet.ru/vmp829}


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