Mesoscopic hydrodynamics of diphasic Lattice Bhatnagar Gross Krook fluid interfaces

THOMPSON, S. P., HALLIDAY, I. and CARE, C. M. (1999). Mesoscopic hydrodynamics of diphasic Lattice Bhatnagar Gross Krook fluid interfaces. Physical Chemistry Chemical Physics, 1 (9), 2183-2190.

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We consider the most appropriate way to assess the interfacial tension locally,on a meso-scale, in one particular class of diphasic lattice Bhatnagar Gross Krook fluid, in which the interface is supported by a simple segregation algorithm. Our investigative methodology and observations will support similar analysis of other lattice Boltzmann models containing discrete interfaces. By assessing the performance of a lattice fluid/fluid interface against the most general hydrodynamic boundary conditions, we measure an orientational dependence in the model's surface tension. In attempting to assess this anisotropy, which must obstruct the performance of the model and others similarly conceived, we devise a simple correction to the segregation algorithm. The useful result provides a platform for future work.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Modelling Research Centre > Materials Modelling group
Identification Number:
Page Range: 2183-2190
Depositing User: Hilary Ridgway
Date Deposited: 12 Apr 2010 12:25
Last Modified: 18 Mar 2021 09:30

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