REDUCTION OF SPURIOUS VELOCITY IN FINITE DIFFERENCE LATTICE BOLTZMANN MODELS FOR LIQUID–VAPOR SYSTEMS

Artur Cristea () and Victor Sofonea ()
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Artur Cristea: Laboratory for Numerical Simulation and Parallel Computing in Fluid Mechanics, Center for Fundamental and Advanced Technical Research, Romanian Academy, Bd. Mihai Viteazul 24, R – 300223 Timişoara, Romania
Victor Sofonea: Laboratory for Numerical Simulation and Parallel Computing in Fluid Mechanics, Center for Fundamental and Advanced Technical Research, Romanian Academy, Bd. Mihai Viteazul 24, R – 300223 Timişoara, Romania

International Journal of Modern Physics C (IJMPC), 2003, vol. 14, issue 09, 1251-1266

Abstract: The origin of the spurious interface velocity in finite difference lattice Boltzmann models for liquid–vapor systems is related to the first order upwind scheme used to compute the space derivatives in the evolution equations. A correction force term is introduced to eliminate the spurious velocity. The correction term helps to recover sharp interfaces and sets the phase diagram close to the one derived using the Maxwell construction.

Keywords: Lattice Boltzmann; liquid–vapor systems; spurious interface velocity (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1142/S0129183103005388

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