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Unsteady and turbulent flow using adaptation methods

  • John G. Kallinderis
  • Judson R. Baront
Contributed Papers
Part of the Lecture Notes in Physics book series (LNP, volume 323)

Abstract

Concepts for adaptive procedures have been examined. Feature detection is made more accurate by the introduction of embedded patches which act as ‘noise filters’ in the embedding procedure. A method to implement the Baldwin-Lomar algebraic turbulence model when applied to unstructured meshes proves to be accurate. Spatially varying time steps based on embedding zones can be used for unsteady problems leading to accurate results with reduced CPU times. Lastly, a conservative interface treatment is important in regions where shocks exist, but not necessarily inside boundary layers where the stretching error in the evaluation of the viscous terms may be dominant.

Keywords

AIAA Paper Unstructured Mesh Viscous Term Vary Time Step Viscous Region 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • John G. Kallinderis
    • 1
  • Judson R. Baront
    • 1
  1. 1.Computational Fluid Dynamics Lab, Dept. of Aeronautics and AstronauticsMassachusetts Institute of TechnologyCambridgeUSA

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