src/turbulenceModels/incompressible/RAS/include/wallNonlinearViscosityI.H

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  14     option) any later version.
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  24
  25 Global
  26     wallNonlinearViscosity
  27
  28 Description
  29     Calculate wall viscosity for non-linear models
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 {
  34     const fvPatchList& patches = mesh_.boundary();
  35
  36     const scalar yPlusLam = this->yPlusLam(kappa_.value(), E_.value());
  37
  38     forAll(patches, patchi)
  39     {
  40         const fvPatch& curPatch = patches[patchi];
  41
  42         if (isType<wallFvPatch>(curPatch))
  43         {
  44             const scalarField& nuw = nu().boundaryField()[patchi];
  45             scalarField& nutw = nut_.boundaryField()[patchi];
  46
  47             forAll(curPatch, facei)
  48             {
  49                 label faceCelli = curPatch.faceCells()[facei];
  50
  51                 //- Using local Cmu
  52                 scalar Cmu25 = pow(Cmu_[faceCelli], 0.25);
  53
  54                 scalar yPlus =
  55                     Cmu25*y_[patchi][facei]*sqrt(k_[faceCelli])/nuw[facei];
  56
  57                 if (yPlus > yPlusLam)
  58                 {
  59                     nutw[facei] =
  60                         nuw[facei]
  61                        *(yPlus*kappa_.value()/log(E_.value()*yPlus) - 1);
  62                 }
  63                 else
  64                 {
  65                     nutw[facei] = 0.0;
  66                 }
  67             }
  68         }
  69     }
  70 }
  71
  72
  73 // ************************************************************************* //