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ENH: Adding FPE stabilization to Edash for nutkAtmRoughWall

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This commit is contained in:
Sergio Ferraris
2013-10-23 10:43:41 +01:00
parent 92629f2c8a
commit 8b90aa5220
1 changed files with 3 additions and 3 deletions
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4
src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkAtmRoughWallFunction/nutkAtmRoughWallFunctionFvPatchScalarField.C
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@ -2,7 +2,7 @@
========= | ========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | \\ / O peration |
\\ / A nd | Copyright (C) 2011-2012 OpenFOAM Foundation \\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation | \\/ M anipulation |
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
License License
@ -63,7 +63,7 @@ tmp<scalarField> nutkAtmRoughWallFunctionFvPatchScalarField::calcNut() const
scalar uStar = Cmu25*sqrt(k[faceCellI]); scalar uStar = Cmu25*sqrt(k[faceCellI]);
scalar yPlus = uStar*y[faceI]/nuw[faceI]; scalar yPlus = uStar*y[faceI]/nuw[faceI];
scalar Edash = (y[faceI] + z0_[faceI])/z0_[faceI]; scalar Edash = (y[faceI] + z0_[faceI])/(z0_[faceI] + 1e-4);
nutw[faceI] = nutw[faceI] =
nuw[faceI]*(yPlus*kappa_/log(max(Edash, 1 + 1e-4)) - 1); nuw[faceI]*(yPlus*kappa_/log(max(Edash, 1 + 1e-4)) - 1);