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- Detached_eddy_simulation abstract "Detached eddy simulation (DES) is a modification of a RANS model in which the model switches to a subgrid scale formulation in regions fine enough for LES calculations. Regions near solid boundaries and where the turbulent length scale is less than the maximum grid dimension are assigned the RANS mode of solution. As the turbulent length scale exceeds the grid dimension, the regions are solved using the LES mode. Therefore the grid resolution is not as demanding as pure LES, thereby considerably cutting down the cost of the computation. Though DES was initially formulated for the Spalart-Allmaras model, it can be implemented with other RANS models (Strelets, 2001), by appropriately modifying the length scale which is explicitly or implicitly involved in the RANS model. So while Spalart-Allmaras model based DES acts as LES with a wall model, DES based on other models (like two equation models) behave as a hybrid RANS-LES model. Grid generation is more complicated than for a simple RANS or LES case due to the RANS-LES switch. DES is a non-zonal approach and provides a single smooth velocity field across the RANS and the LES regions of the solution.".
- Detached_eddy_simulation wikiPageExternalLink Detached_eddy_simulation_(DES).
- Detached_eddy_simulation wikiPageExternalLink automotive-cfd-optimisation.
- Detached_eddy_simulation wikiPageID "2884506".
- Detached_eddy_simulation wikiPageRevisionID "590987572".
- Detached_eddy_simulation hasPhotoCollection Detached_eddy_simulation.
- Detached_eddy_simulation subject Category:Fluid_dynamics.
- Detached_eddy_simulation subject Category:Turbulence.
- Detached_eddy_simulation subject Category:Turbulence_models.
- Detached_eddy_simulation type Assistant109815790.
- Detached_eddy_simulation type CausalAgent100007347.
- Detached_eddy_simulation type LivingThing100004258.
- Detached_eddy_simulation type Model110324560.
- Detached_eddy_simulation type Object100002684.
- Detached_eddy_simulation type Organism100004475.
- Detached_eddy_simulation type Person100007846.
- Detached_eddy_simulation type PhysicalEntity100001930.
- Detached_eddy_simulation type TurbulenceModels.
- Detached_eddy_simulation type Whole100003553.
- Detached_eddy_simulation type Worker109632518.
- Detached_eddy_simulation type YagoLegalActor.
- Detached_eddy_simulation type YagoLegalActorGeo.
- Detached_eddy_simulation comment "Detached eddy simulation (DES) is a modification of a RANS model in which the model switches to a subgrid scale formulation in regions fine enough for LES calculations. Regions near solid boundaries and where the turbulent length scale is less than the maximum grid dimension are assigned the RANS mode of solution. As the turbulent length scale exceeds the grid dimension, the regions are solved using the LES mode.".
- Detached_eddy_simulation label "Detached eddy simulation".
- Detached_eddy_simulation label "Detached-Eddy Simulation".
- Detached_eddy_simulation sameAs Detached-Eddy_Simulation.
- Detached_eddy_simulation sameAs m.0891gj.
- Detached_eddy_simulation sameAs Q1201072.
- Detached_eddy_simulation sameAs Q1201072.
- Detached_eddy_simulation sameAs Detached_eddy_simulation.
- Detached_eddy_simulation wasDerivedFrom Detached_eddy_simulation?oldid=590987572.
- Detached_eddy_simulation isPrimaryTopicOf Detached_eddy_simulation.