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Direct Numerical Simulation and Analysis of 2D Turbulent Flows

  • Charles-Henri Bruneau
Part of the Advances in Mathematical Fluid Mechanics book series (AMFM)

Abstract

Efficient methods are used to approximate incompressible Navier-Stokes equations. 2D turbulent flows are simulated in the cavity and behind arrays of cylinders in a channel. They confirm on one hand the presence of an attractor and on the other hand the coexistence of both direct enstrophy and inverse energy cascades. The use of a threshold directly on the vorticity intensity or on the wavelets packets coefficients separate the flow into two parts, each part corresponding to one cascade.

Keywords

Direct Numerical Simulation High Reynolds Number Wavelet Packet Monitoring Point Steady Solution 
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

© Birkhäuser Verlag Basel/Switzerland 2006

Authors and Affiliations

  • Charles-Henri Bruneau
    • 1
  1. 1.CNRS UMR 5466 — INRIA FUTURS Equipe MC2, MABUniversité Bordeaux 1TalenceFrance

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