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- W78286093 abstract "The flow around the Aerospatiale A-airfoil at the maximum lift condition with a chord Reynolds number of 2.0×106 is simulated using Unsteady Reynolds-Averaged Navier-Stocks Simulation (URANS), Detached Eddy Simulation (DES), Delayed DES (DDES) and a new approach. The new approach (named WAD-DES) is based on the Spalart-Allmaras (S-A) model and has a weighted average of destruction terms from the Smagorinksy model and the S-A model. The aim of this study is to investigate the behaviour of the S-A-based model working as a sub-grid scale (SGS) model in simulating mild trailing edge separation. The results show that in the near-wall region WAD-DES is better than DES and comparable to DDES. In the wake region, WAD-DES provides the closest velocity profiles to those from the experimental data, due to a reduced level of modelled turbulent viscosity. It is shown that this new WAD-DES approach inherits the advantages of DDES in simulating shallow separation, and also increases the accuracy of prediction in regions further away from the wall." @default.
- W78286093 created "2016-06-24" @default.
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- W78286093 date "2012-01-01" @default.
- W78286093 modified "2023-09-23" @default.
- W78286093 title "Balancing Destruction and Production in S-A Model-Based Hybrid RANS-LES for Flow around an Aerofoil with Mild Separation" @default.
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- W78286093 doi "https://doi.org/10.1007/978-3-642-31818-4_33" @default.
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