Large Eddy Simulation for Complex Turbulent Flows of Practical Interest

  • M. Breuer
  • W. Rodi
Part of the Notes on Numerical Fluid Mechanics (NNFM) book series (NONUFM, volume 48)


LES is expected to become a powerful tool for turbulent flow calculations of practical interest in the near future. The paper is concerned with the development and first applications of a LES technique based on an explicit finite-volume method for curvilinear body-fitted grids suitable to simulate flows in or around complex geometries. Two different subgrid-scale models are implemented and tested. For the near-wall treatment different wall function approaches as well as no-slip boundary conditions can be applied. This technique has been used to simulate six different internal and external flow configurations: plane channel flow, flow through a straight square duct and a 180° bend, flow around a surface-mounted cubical obstacle and the flow past a long, square as well as a circular cylinder. For four test cases results are discussed in detail and compared with experimental data available. The influence of different aspects of a LES method (e.g. resolution, subgrid-scale modelling, wall boundary conditions) are investigated.


Large Eddy Simulation Circular Cylinder Bluff Body Wall Function Smagorinsky Model 
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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH, Braunschweig/Wiesbaden 1996

Authors and Affiliations

  • M. Breuer
    • 1
  • W. Rodi
    • 1
  1. 1.Institut für HydromechanikUniversität Karlsruhe (TH)KarlsruheDeutschland

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