## 12.1. Scale-Resolving Simulation (SRS) Models – Basic Formulations

In the ANSYS CFD codes the following SRS models are available:

1. Scale-Adaptive Simulation (SAS) models

   - SAS-SST model (Fluent, CFX)

2. Detached Eddy Simulation (DES) models

   - DES-SA (DDES) model (Fluent)

   - DES-SST model (Fluent (also DDES), CFX)

   - Realizable DES model (Fluent)

3. Shielded Detached Eddy Simulation (SDES)

   All -equation based 2-equation models in Fluent.

4. Stress-Blended Eddy Simulation (SBES)

   All -equation based 2-equation models in Fluent and CFX.

5. Large Eddy Simulation (LES)

   - Smagorinsky-Lilly model (+dynamic) (Fluent, CFX)

   - WALE model (Fluent, CFX)

   - Kinetic energy subgrid model dynamic (Fluent)

   - Algebraic Wall Modeled LES (WMLES) (Fluent, CFX)

6. Embedded LES (ELES) mode

   - Combination of all RANS models with all non-dynamic LES models (Fluent)

   - Zonal forcing model (CFX)

7. Synthetic turbulence generator

   - Vortex method (Fluent)

   - Harmonic Turbulence Generator (HTG) (CFX)

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