Boundary-Layer Meteorology

, Volume 143, Issue 2, pp 393–407 | Cite as

Numerical Study of the Neutral Atmospheric Boundary Layer Over Complex Terrain

  • Gilberto A. A. Moreira
  • André A. C. dos Santos
  • Carlos A. M. do Nascimento
  • Ramon M. Valle


We evaluate the Reynolds-averaged Navier–Stokes equations available as commercial computational fluid dynamics code for the simulation of a neutral atmospheric boundary layer and attempt to define a proper numerical simulation procedure. Four turbulence models, including two-equation and Reynolds stress models, were evaluated together with two near-wall models. Mesh and map digitization sensitivity tests were also performed. The simulations were compared to experimental field data from the Askervein Hill in Scotland. The results show that the simulations performed with ANSYS CFX 12.1 on a proper mesh and topological map with a Reynolds stress turbulence model provided the best wind-speed predictions when compared to the experimental results.


Atmospheric boundary layer Complex topography Turbulence model 


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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Gilberto A. A. Moreira
    • 1
  • André A. C. dos Santos
    • 2
  • Carlos A. M. do Nascimento
    • 3
  • Ramon M. Valle
    • 1
  1. 1.Federal University of Minas Gerais (UFMG)Belo HorizonteBrazil
  2. 2.Nuclear Technology Development Center (CDTN)Belo HorizonteBrazil
  3. 3.Cia. Energética de Minas Gerais (CEMIG)Belo HorizonteBrazil

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