Enhanced, mass-conserving closure scheme for lattice boltzmann equation hydrodynamics

HOLLIS, A., HALLIDAY, I. and CARE, C. M. (2006). Enhanced, mass-conserving closure scheme for lattice boltzmann equation hydrodynamics. Journal of physics A-mathematical and general, 39 (33), 10589-10601.

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Link to published version:: https://doi.org/10.1088/0305-4470/39/33/024


We derive and demonstrate a practical and accurate algorithm designed to impose Dirichlet boundary conditions (specified boundary velocity) on the edge nodes of a lattice Boltzmann fluid simulation space. The current algorithm models the lattice fluid on boundary and bulk nodes to identical accuracy and in a demonstrably equivalent manner. Whilst this new method applies to rectangular geometries, it adds to our previous method [2] (i) the condition of mass conservation and (ii) the ability to treat with unimpaired accuracy both internal and external corners.

Item Type: Article
Additional Information: © Institute of Physics and IOP Publishing Limited
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: https://doi.org/10.1088/0305-4470/39/33/024
Page Range: 10589-10601
Depositing User: Ann Betterton
Date Deposited: 22 Oct 2007
Last Modified: 18 Mar 2021 21:31
URI: https://shura.shu.ac.uk/id/eprint/877

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