mirror of
https://github.com/OpenFOAM/OpenFOAM-6.git
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Turbulence models: minor clean-up
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@ -272,6 +272,7 @@ void ShihQuadraticKE::correct()
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(nut_*twoSymm(gradU) - nonlinearStress_) && gradU
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(nut_*twoSymm(gradU) - nonlinearStress_) && gradU
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);
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);
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// Update epsilon and G at the wall
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// Update epsilon and G at the wall
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epsilon_.boundaryField().updateCoeffs();
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epsilon_.boundaryField().updateCoeffs();
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@ -287,9 +288,7 @@ void ShihQuadraticKE::correct()
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);
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);
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epsEqn().relax();
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epsEqn().relax();
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epsEqn().boundaryManipulate(epsilon_.boundaryField());
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epsEqn().boundaryManipulate(epsilon_.boundaryField());
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solve(epsEqn);
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solve(epsEqn);
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bound(epsilon_, epsilonMin_);
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bound(epsilon_, epsilonMin_);
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@ -1,50 +0,0 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Global
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wallDissipation
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Description
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Set wall dissipation in the epsilon matrix
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\*---------------------------------------------------------------------------*/
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{
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const fvPatchList& patches = mesh_.boundary();
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forAll(patches, patchi)
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{
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const fvPatch& p = patches[patchi];
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if (isA<wallFvPatch>(p))
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{
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epsEqn().setValues
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(
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p.faceCells(),
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epsilon_.boundaryField()[patchi].patchInternalField()
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);
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}
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}
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}
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// ************************************************************************* //
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@ -253,7 +253,6 @@ void qZeta::correct()
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// Zeta equation
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// Zeta equation
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tmp<fvScalarMatrix> zetaEqn
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tmp<fvScalarMatrix> zetaEqn
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(
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(
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fvm::ddt(zeta_)
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fvm::ddt(zeta_)
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@ -271,7 +270,6 @@ void qZeta::correct()
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// q equation
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// q equation
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tmp<fvScalarMatrix> qEqn
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tmp<fvScalarMatrix> qEqn
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(
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(
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fvm::ddt(q_)
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fvm::ddt(q_)
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@ -256,15 +256,12 @@ void kEpsilon<BasicTurbulenceModel>::correct()
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);
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);
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epsEqn().relax();
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epsEqn().relax();
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epsEqn().boundaryManipulate(epsilon_.boundaryField());
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epsEqn().boundaryManipulate(epsilon_.boundaryField());
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solve(epsEqn);
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solve(epsEqn);
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bound(epsilon_, this->epsilonMin_);
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bound(epsilon_, this->epsilonMin_);
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// Turbulent kinetic energy equation
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// Turbulent kinetic energy equation
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tmp<fvScalarMatrix> kEqn
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tmp<fvScalarMatrix> kEqn
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(
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(
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fvm::ddt(alpha, rho, k_)
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fvm::ddt(alpha, rho, k_)
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@ -83,29 +83,30 @@ void epsilonLowReWallFunctionFvPatchScalarField::calculate
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const scalarField magGradUw(mag(Uw.snGrad()));
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const scalarField magGradUw(mag(Uw.snGrad()));
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// Set epsilon and G
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// Set epsilon and G
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forAll(nutw, faceI)
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forAll(nutw, facei)
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{
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{
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label cellI = patch.faceCells()[faceI];
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label celli = patch.faceCells()[facei];
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scalar yPlus = Cmu25*sqrt(k[cellI])*y[faceI]/nuw[faceI];
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scalar yPlus = Cmu25*sqrt(k[celli])*y[facei]/nuw[facei];
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scalar w = cornerWeights[faceI];
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scalar w = cornerWeights[facei];
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if (yPlus > yPlusLam_)
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if (yPlus > yPlusLam_)
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{
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{
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epsilon[cellI] = w*Cmu75*pow(k[cellI], 1.5)/(kappa_*y[faceI]);
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epsilon[celli] = w*Cmu75*pow(k[celli], 1.5)/(kappa_*y[facei]);
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}
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}
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else
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else
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{
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{
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epsilon[cellI] = w*2.0*k[cellI]*nuw[faceI]/sqr(y[faceI]);
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epsilon[celli] = w*2.0*k[celli]*nuw[facei]/sqr(y[facei]);
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}
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}
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G[cellI] =
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// It is not clear that G should be adjusted for low-Re BCs
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G[celli] +=
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w
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w
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*(nutw[faceI] + nuw[faceI])
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*(nutw[facei] + nuw[facei])
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*magGradUw[faceI]
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*magGradUw[facei]
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*Cmu25*sqrt(k[cellI])
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*Cmu25*sqrt(k[celli])
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/(kappa_*y[faceI]);
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/(kappa_*y[facei]);
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}
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}
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}
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}
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@ -17,7 +17,7 @@ FoamFile
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dimensions [ 0 2 -2 0 0 0 0 ];
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dimensions [ 0 2 -2 0 0 0 0 ];
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internalField uniform 1;
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internalField uniform 0.1;
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boundaryField
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boundaryField
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{
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{
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@ -33,6 +33,7 @@ divSchemes
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div(phi,R) bounded Gauss linear;
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div(phi,R) bounded Gauss linear;
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div(phi,nuTilda) bounded Gauss linear;
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div(phi,nuTilda) bounded Gauss linear;
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div((nuEff*dev2(T(grad(U))))) Gauss linear;
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div((nuEff*dev2(T(grad(U))))) Gauss linear;
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div(nonlinearStress) Gauss linear;
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}
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}
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laplacianSchemes
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laplacianSchemes
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