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Coherent Vortex Simulation (CVS) of 2D bluff body flows using an adaptive wavelet method with penalisation

  • Kai Schneider
  • Marie Farge
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM) book series (NNFM, volume 82)

Summary

In this paper we present an adaptive wavelet method to integrate the velocity-vorticity formulation of the two-dimensional Navier-Stokes equations coupled with a penalisation technique to handle easily solid boundaries of arbitrary shape. The validity of this method, called Coherent Vortex Simulation (CVS), is demonstrated by computing flows past different bluff bodies. Firstly, we show the computation of a flow around an impulsively started cylinder at Reynolds number 3000. The results are compared with those of a DNS using a spectral method and with others computed with two different vortex methods. Secondly, we also present simulations of a flow around a NACA air-foil profile at Reynolds number 1000.

Keywords

Direct Numerical Simulation Wavelet Coefficient Bluff Body Vortex Method Orthonormal Wavelet 
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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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Kai Schneider
    • 1
    • 3
  • Marie Farge
    • 2
  1. 1.Laboratoire de Modélisation et Simulation Numérique en Mécanique du CNRS & Centre de Mathématiques et d’InformatiqueUniversité de ProvenceMarseille Cedex 9France
  2. 2.Laboratoire de Météorologie Dynamique du CNRSEcole Normale SupérieureParis Cedex 05France
  3. 3.Institut für Chemischen TechnikUniversität Karlsruhe (TH)Germany

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