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Ninth International Symposium on Turbulence and Shear Flow Phenomena
June 30 - July 3, 2015, University of Melbourne, Australia

DOI: 10.1615/TSFP9

LARGE EDDY SIMULATION OF THE FLOW OVER A CONTOURED RAMP

pages 61-66
DOI: 10.1615/TSFP9.110
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RÉSUMÉ

Large Eddy Simulations (LES) have been used to simulate the development, separation, reattachment and downstream recovery of the flow over a smoothly contoured ramp. Five different subgrid models have been compared on a grid of intermediate resolution containing 19.2 million cells and the effect of grid resolution has been examined by studying the behavior of one model on four different grids varying between 2.4 and 153.6 million cells. All LES models capture the main flow features, but the results on the intermediate and fine grids generally show better agreement with the experimental data.

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