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Isogeometric analysis for turbulent flow

Author

Listed:
  • Bastl, Bohumír
  • Brandner, Marek
  • Egermaier, Jiří
  • Michálková, Kristýna
  • Turnerová, Eva

Abstract

The article is devoted to the simulation of viscous incompressible turbulent fluid flow based on solving the Reynolds averaged Navier–Stokes (RANS) equations with different k−ω models. The isogeometrical approach is used for the discretization based on the Galerkin method. Primary goal of using isogeometric analysis is to be always geometrically exact, independent of the discretization, and to avoid a time-consuming generation of meshes of computational domains. For higher Reynolds numbers, we use stabilization SUPG technique in equations for k and ω. The solutions are compared with the standard benchmark example of turbulent flow over a backward facing step.

Suggested Citation

  • Bastl, Bohumír & Brandner, Marek & Egermaier, Jiří & Michálková, Kristýna & Turnerová, Eva, 2018. "Isogeometric analysis for turbulent flow," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 145(C), pages 3-17.
    • Handle: RePEc:eee:matcom:v:145:y:2018:i:c:p:3-17
    DOI: 10.1016/j.matcom.2016.05.010
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    Cited by:

    1. Bastl, Bohumír & Michálková, Kristýna, 2020. "Automatic generators of multi-patch B-spline meshes of blade cascades and their comparison," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 178(C), pages 382-406.

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