This section describes the theory behind the Detached Eddy Simulation (DES) model. Information is presented in the following sections:

• 4.13.1. Overview
• 4.13.2. DES with the Spalart-Allmaras Model
• 4.13.3. DES with the Realizable k-ε Model
• 4.13.4. DES with the BSL or SST k-ω Model
• 4.13.5. DES with the Transition SST Model
• 4.13.6. Improved Delayed Detached Eddy Simulation (IDDES)