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Evaluation of Interpolation Scheme Alternatives and Variation of the Number of Slave Cells in a Cut-Cell Methodology

Author

Listed:
  • Luis Henríquez-Vargas

    (Departamento de Ingeniería Química, Universidad de Santiago de Chile, Santiago 9170022, Chile)

  • Francisco Angel

    (Departamento de Ingeniería Química, Universidad de Santiago de Chile, Santiago 9170022, Chile)

  • Lawrence Lackey

    (Departamento de Ingeniería Química, Universidad de Santiago de Chile, Santiago 9170022, Chile)

  • Pablo Donoso-García

    (Departamento de Ingeniería Química, Universidad de Santiago de Chile, Santiago 9170022, Chile)

Abstract

The present work determines numerical solutions applied to flow problems in a cut-cell framework, introducing and evaluating two interpolation alternatives for the treatment of the convective terms and the effect of the variation of the number of slave cells generated near the solid interfaces. Using the upwind, QUICK and WAHYD (TVD) schemes, three benchmark cases were studied in the laminar regime, namely, flow between concentric cylindrical walls, flow in an inclined channel and flow around a cylinder. The numerical results obtained were favorable for the proposed interpolation methodology that prevents velocity over/under-estimations on the finite control volume faces, observing a tendency to produce smaller errors and mid-to-high computational efficiencies when coupled with a smaller number of slave cells generated at the boundaries. Although the magnitude of the errors found were small, improvements are of more significance for quantities that depend on gradient estimations at surfaces.

Suggested Citation

  • Luis Henríquez-Vargas & Francisco Angel & Lawrence Lackey & Pablo Donoso-García, 2022. "Evaluation of Interpolation Scheme Alternatives and Variation of the Number of Slave Cells in a Cut-Cell Methodology," Mathematics, MDPI, vol. 10(6), pages 1-30, March.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:6:p:895-:d:768884
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    References listed on IDEAS

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    1. Ingram, D.M. & Causon, D.M. & Mingham, C.G., 2003. "Developments in Cartesian cut cell methods," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 61(3), pages 561-572.
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