Airflow over the Ahmed body is simulated by means of the Embedded LES technique. This is a zonal approach which allows the LES turbulence model to be used in a sub-domain while the rest of the domain is solved using a RANS turbulence model, i.e., the kω-SST model. This allows the LES zone to be restricted to the rear end of the vehicle where the unsteadiness of the flow must be accurately predicted. A comparison with full RANS modeling and experiments is reported.
Embedded Large Eddy Simulation of Flow around the Ahmed Body
Sae Int. J. Commer. Veh
SAE 2012 World Congress & Exhibition ; 2012
Sae International Journal of Commercial Vehicles ; 5 , 1 ; 208-214
2012-04-16
7 pages
Conference paper
English
Embedded Large Eddy Simulation of flow around Ahmed body
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