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RANS-based turbulence models

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[[Introduction to turbulence/Reynolds averaged equations]]
[[Introduction to turbulence/Reynolds averaged equations]]
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The objective of the turbulence models for the RANS equations is to compute the [[[[Introduction to turbulence/Reynolds averaged equations|Reynolds stresses]], which can be done by three main categories of RANS-based turbulence models:
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The objective of the turbulence models for the RANS equations is to compute the [[Introduction to turbulence/Reynolds averaged equations|Reynolds stresses]], which can be done by three main categories of RANS-based turbulence models:
# [[Linear eddy viscosity models]]
# [[Linear eddy viscosity models]]
# [[Nonlinear eddy viscosity models]]
# [[Nonlinear eddy viscosity models]]
# [[Reynolds stress model (RSM) ]]
# [[Reynolds stress model (RSM) ]]

Revision as of 22:17, 30 October 2009

Turbulence modeling
Turbulence
RANS-based turbulence models
  1. Linear eddy viscosity models
    1. Algebraic models
      1. Cebeci-Smith model
      2. Baldwin-Lomax model
      3. Johnson-King model
      4. A roughness-dependent model
    2. One equation models
      1. Prandtl's one-equation model
      2. Baldwin-Barth model
      3. Spalart-Allmaras model
    3. Two equation models
      1. k-epsilon models
        1. Standard k-epsilon model
        2. Realisable k-epsilon model
        3. RNG k-epsilon model
        4. Near-wall treatment
      2. k-omega models
        1. Wilcox's k-omega model
        2. Wilcox's modified k-omega model
        3. SST k-omega model
        4. Near-wall treatment
      3. Realisability issues
        1. Kato-Launder modification
        2. Durbin's realizability constraint
        3. Yap correction
        4. Realisability and Schwarz' inequality
  2. Nonlinear eddy viscosity models
    1. Explicit nonlinear constitutive relation
      1. Cubic k-epsilon
      2. EARSM
    2. v2-f models
      1. \overline{\upsilon^2}-f model
      2. \zeta-f model
  3. Reynolds stress model (RSM)
Large eddy simulation (LES)
  1. Smagorinsky-Lilly model
  2. Dynamic subgrid-scale model
  3. RNG-LES model
  4. Wall-adapting local eddy-viscosity (WALE) model
  5. Kinetic energy subgrid-scale model
  6. Near-wall treatment for LES models
Detached eddy simulation (DES)
Direct numerical simulation (DNS)
Turbulence near-wall modeling
Turbulence free-stream boundary conditions
  1. Turbulence intensity
  2. Turbulence length scale

Introduction to turbulence/Reynolds averaged equations

The objective of the turbulence models for the RANS equations is to compute the Reynolds stresses, which can be done by three main categories of RANS-based turbulence models:

  1. Linear eddy viscosity models
  2. Nonlinear eddy viscosity models
  3. Reynolds stress model (RSM)
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