Large-eddy Simulation of Transitional Channel Flow

  title={Large-eddy Simulation of Transitional Channel Flow},
  author={Ugo Piomelli and Thomas A. Zang}
A large-eddy simulation (LES) of transition in plane channel flow has been carried out. The LES results have been compared with those of a fine direct numerical simulation (DNS), and with those of a coarse DNS that uses the same mesh as the LES, but no residual stress model. While at the early stages of transition LES and coarse DNS give the same results, the presence of the residual stress model was found to be necessary to predict accurately mean velocity and Reynolds stress profiles during… CONTINUE READING
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