Boundary-Fitting and Local Grid Refinement for Lattice-BGK Models

O. Filippova and D. Hänel ()
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O. Filippova: Institute of Combustion and Gasdynamics, University of Duisburg, D-47048 Duisburg, Germany
D. Hänel: Institute of Combustion and Gasdynamics, University of Duisburg, D-47048 Duisburg, Germany

International Journal of Modern Physics C (IJMPC), 1998, vol. 09, issue 08, 1271-1279

Abstract: Lattice-Boltzmann models, proposed at the end of the 1980s as the noise-free version of lattice-gas models are based on gas-kinetical-like representation of fluid flow. Their recent modifications, the lattice-BGK models, provide especially simple, effective and stable algorithms for the solution of incompressible flows. The boundary-fitting concept and local grid refinement proposed for the lattice-BGK model conserve the second order accuracy of the original algorithm for flows around complicated geometries in regions of small and moderate Reynolds numbers.

Keywords: Lattice-BGK Model; Grid Refinement (search for similar items in EconPapers)
Date: 1998
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DOI: 10.1142/S012918319800114X

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