Direct numerical simulation of turbulent flow over a backward-facing step

  title={Direct numerical simulation of turbulent flow over a backward-facing step},
  author={Michal A. Kopera and Robert M. Kerr and Hugh M. Blackburn and Dwight Barkley},
h = 9000. The discretisation is performed using a spanwise periodic spectral/hp element method. The inlet flow has turbulent velocity and pressure fields that are formed by a regenerating channel segment upstream of the inlet. Time and spanwise averages show secondary and tertiary corner eddies in addition to the primary recirculation bubble, while streamlines show a small eddy forming at the downstream tip of the secondary corner eddy. This eddy has the same circulation direction as the… CONTINUE READING
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