diff --git a/src/TurbulenceModels/incompressible/turbulentTransportModels/turbulentTransportModels.C b/src/TurbulenceModels/incompressible/turbulentTransportModels/turbulentTransportModels.C
index 508288db76f1182612e664a4eb15eb721e01015b..02669630353c819283940e8e3e685dcd02001729 100644
--- a/src/TurbulenceModels/incompressible/turbulentTransportModels/turbulentTransportModels.C
+++ b/src/TurbulenceModels/incompressible/turbulentTransportModels/turbulentTransportModels.C
@@ -82,5 +82,8 @@ makeLESModel(SpalartAllmarasDDES);
#include "SpalartAllmarasIDDES.H"
makeLESModel(SpalartAllmarasIDDES);
+#include "DeardorffDiffStress.H"
+makeLESModel(DeardorffDiffStress);
+
// ************************************************************************* //
diff --git a/src/TurbulenceModels/turbulenceModels/LES/DeardorffDiffStress/DeardorffDiffStress.C b/src/TurbulenceModels/turbulenceModels/LES/DeardorffDiffStress/DeardorffDiffStress.C
new file mode 100644
index 0000000000000000000000000000000000000000..9a69a065667dd2c095772b10c3e75b5ef6ddf3e8
--- /dev/null
+++ b/src/TurbulenceModels/turbulenceModels/LES/DeardorffDiffStress/DeardorffDiffStress.C
@@ -0,0 +1,215 @@
+/*---------------------------------------------------------------------------*\
+ ========= |
+ \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
+ \\ / O peration |
+ \\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
+ \\/ M anipulation |
+-------------------------------------------------------------------------------
+License
+ This file is part of OpenFOAM.
+
+ OpenFOAM is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "DeardorffDiffStress.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace LESModels
+{
+
+// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
+
+template<class BasicTurbulenceModel>
+void DeardorffDiffStress<BasicTurbulenceModel>::correctNut()
+{
+ this->nut_ = Ck_*sqrt(this->k())*this->delta();
+ this->nut_.correctBoundaryConditions();
+}
+
+
+// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
+
+template<class BasicTurbulenceModel>
+DeardorffDiffStress<BasicTurbulenceModel>::DeardorffDiffStress
+(
+ const alphaField& alpha,
+ const rhoField& rho,
+ const volVectorField& U,
+ const surfaceScalarField& alphaRhoPhi,
+ const surfaceScalarField& phi,
+ const transportModel& transport,
+ const word& propertiesName,
+ const word& type
+)
+:
+ ReynoldsStress<LESModel<BasicTurbulenceModel> >
+ (
+ type,
+ alpha,
+ rho,
+ U,
+ alphaRhoPhi,
+ phi,
+ transport,
+ propertiesName
+ ),
+
+ Ck_
+ (
+ dimensioned<scalar>::lookupOrAddToDict
+ (
+ "Ck",
+ this->coeffDict_,
+ 0.094
+ )
+ ),
+ Cm_
+ (
+ dimensioned<scalar>::lookupOrAddToDict
+ (
+ "Cm",
+ this->coeffDict_,
+ 4.13
+ )
+ ),
+ Ce_
+ (
+ dimensioned<scalar>::lookupOrAddToDict
+ (
+ "Ce",
+ this->coeffDict_,
+ 1.048
+ )
+ ),
+ Cs_
+ (
+ dimensioned<scalar>::lookupOrAddToDict
+ (
+ "Cs",
+ this->coeffDict_,
+ 0.22
+ )
+ )
+{
+ if (type == typeName)
+ {
+ this->boundNormalStress(this->R_);
+ correctNut();
+ this->printCoeffs(type);
+ }
+}
+
+
+// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
+
+template<class BasicTurbulenceModel>
+bool DeardorffDiffStress<BasicTurbulenceModel>::read()
+{
+ if (ReynoldsStress<LESModel<BasicTurbulenceModel> >::read())
+ {
+ Ck_.readIfPresent(this->coeffDict());
+ Cm_.readIfPresent(this->coeffDict());
+ Ce_.readIfPresent(this->coeffDict());
+ Cs_.readIfPresent(this->coeffDict());
+
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+
+
+template<class BasicTurbulenceModel>
+tmp<volScalarField> DeardorffDiffStress<BasicTurbulenceModel>::epsilon() const
+{
+ volScalarField k(this->k());
+
+ return tmp<volScalarField>
+ (
+ new volScalarField
+ (
+ IOobject
+ (
+ IOobject::groupName("epsilon", this->U_.group()),
+ this->runTime_.timeName(),
+ this->mesh_,
+ IOobject::NO_READ,
+ IOobject::NO_WRITE
+ ),
+ this->Ce_*k*sqrt(k)/this->delta()
+ )
+ );
+}
+
+
+template<class BasicTurbulenceModel>
+void DeardorffDiffStress<BasicTurbulenceModel>::correct()
+{
+ if (!this->turbulence_)
+ {
+ return;
+ }
+
+ // Local references
+ const alphaField& alpha = this->alpha_;
+ const rhoField& rho = this->rho_;
+ const surfaceScalarField& alphaRhoPhi = this->alphaRhoPhi_;
+ const volVectorField& U = this->U_;
+ volSymmTensorField& R = this->R_;
+
+ ReynoldsStress<LESModel<BasicTurbulenceModel> >::correct();
+
+ tmp<volTensorField> tgradU(fvc::grad(U));
+ const volTensorField& gradU = tgradU();
+
+ volSymmTensorField D(symm(gradU));
+
+ volSymmTensorField P(-twoSymm(R & gradU));
+
+ volScalarField k(this->k());
+
+ tmp<fvSymmTensorMatrix> BEqn
+ (
+ fvm::ddt(alpha, rho, R)
+ + fvm::div(alphaRhoPhi, R)
+ - fvm::laplacian(Cs_*(k/this->epsilon())*R, R)
+ + fvm::Sp(Cm_*alpha*rho*sqrt(k)/this->delta(), R)
+ ==
+ alpha*rho*P
+ + (4.0/5.0)*alpha*rho*k*D // Deardorff
+ //- 0.6*alpha*rho*dev(P) // LRR
+ - ((2.0/3.0)*(1.0 - Cm_/this->Ce_)*I)*(alpha*rho*this->epsilon())
+ );
+
+ BEqn().relax();
+ BEqn().solve();
+
+ this->boundNormalStress(this->R_);
+ correctNut();
+ this->correctWallShearStress(this->R_);
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace LESModels
+} // End namespace Foam
+
+// ************************************************************************* //
diff --git a/src/TurbulenceModels/turbulenceModels/LES/DeardorffDiffStress/DeardorffDiffStress.H b/src/TurbulenceModels/turbulenceModels/LES/DeardorffDiffStress/DeardorffDiffStress.H
new file mode 100644
index 0000000000000000000000000000000000000000..451e47aca3aad207e27dd68ee2e206a6d1cba62a
--- /dev/null
+++ b/src/TurbulenceModels/turbulenceModels/LES/DeardorffDiffStress/DeardorffDiffStress.H
@@ -0,0 +1,166 @@
+/*---------------------------------------------------------------------------*\
+ ========= |
+ \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
+ \\ / O peration |
+ \\ / A nd | Copyright (C) 2011-2012 OpenFOAM Foundation
+ \\/ M anipulation |
+-------------------------------------------------------------------------------
+License
+ This file is part of OpenFOAM.
+
+ OpenFOAM is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
+
+Class
+ Foam::LESModels::DeardorffDiffStress
+
+Group
+ grpLESTurbulence
+
+Description
+ Differential SGS Stress Equation Model for incompressible and
+ compressible flows
+
+ Reference:
+ \verbatim
+ Deardorff, J. W. (1973).
+ The use of subgrid transport equations in a three-dimensional model
+ of atmospheric turbulence.
+ Journal of Fluids Engineering, 95(3), 429-438.
+ \endverbatim
+
+ This SGS model uses a full balance equation for the SGS stress tensor to
+ simulate the behaviour of B.
+
+SourceFiles
+ DeardorffDiffStress.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef DeardorffDiffStress_H
+#define DeardorffDiffStress_H
+
+#include "LESModel.H"
+#include "ReynoldsStress.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace LESModels
+{
+
+/*---------------------------------------------------------------------------*\
+ Class DeardorffDiffStress Declaration
+\*---------------------------------------------------------------------------*/
+
+template<class BasicTurbulenceModel>
+class DeardorffDiffStress
+:
+ public ReynoldsStress<LESModel<BasicTurbulenceModel> >
+{
+ // Private Member Functions
+
+ // Disallow default bitwise copy construct and assignment
+ DeardorffDiffStress(const DeardorffDiffStress&);
+ DeardorffDiffStress& operator=(const DeardorffDiffStress&);
+
+
+protected:
+
+ // Protected data
+
+ // Model constants
+
+ dimensionedScalar Ck_;
+ dimensionedScalar Cm_;
+ dimensionedScalar Ce_;
+ dimensionedScalar Cs_;
+
+
+ // Protected Member Functions
+
+ //- Update the eddy-viscosity
+ virtual void correctNut();
+
+
+public:
+
+ typedef typename BasicTurbulenceModel::alphaField alphaField;
+ typedef typename BasicTurbulenceModel::rhoField rhoField;
+ typedef typename BasicTurbulenceModel::transportModel transportModel;
+
+
+ //- Runtime type information
+ TypeName("DeardorffDiffStress");
+
+
+ // Constructors
+
+ //- Constructor from components
+ DeardorffDiffStress
+ (
+ const alphaField& alpha,
+ const rhoField& rho,
+ const volVectorField& U,
+ const surfaceScalarField& alphaRhoPhi,
+ const surfaceScalarField& phi,
+ const transportModel& transport,
+ const word& propertiesName = turbulenceModel::propertiesName,
+ const word& type = typeName
+ );
+
+
+ //- Destructor
+ virtual ~DeardorffDiffStress()
+ {}
+
+
+ // Member Functions
+
+ //- Read model coefficients if they have changed
+ virtual bool read();
+
+ //- Return the turbulence kinetic energy dissipation rate
+ virtual tmp<volScalarField> epsilon() const;
+
+ //- Return the effective diffusivity for B
+ tmp<volScalarField> DBEff() const
+ {
+ return tmp<volScalarField>
+ (
+ new volScalarField("DBEff", this->nut_ + this->nu())
+ );
+ }
+
+ //- Correct sub-grid stress, eddy-Viscosity and related properties
+ virtual void correct();
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace LESModels
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#ifdef NoRepository
+# include "DeardorffDiffStress.C"
+#endif
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //
diff --git a/src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.H b/src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.H
index 7cae23f7da7e8f3bd0a70a7d1462e1bf09e9834e..53ae8fe5db1cc56ee03bb930349f8b130b7e5069 100644
--- a/src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.H
+++ b/src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.H
@@ -100,7 +100,7 @@ protected:
// calculated from the given velocity gradient
tmp<volScalarField> k(const volTensorField& gradU) const;
- //- Update the SGS eddy viscosity
+ //- Update the SGS eddy-viscosity
virtual void correctNut();
diff --git a/src/TurbulenceModels/turbulenceModels/LES/kEqn/kEqn.H b/src/TurbulenceModels/turbulenceModels/LES/kEqn/kEqn.H
index b525666a798f6cd3aa24c3aacee9dd992fd0ccb2..c5052249eccf9b33c0ed89e37c02b385ee8c8c9c 100644
--- a/src/TurbulenceModels/turbulenceModels/LES/kEqn/kEqn.H
+++ b/src/TurbulenceModels/turbulenceModels/LES/kEqn/kEqn.H
@@ -50,7 +50,7 @@ Description
The default model coefficients correspond to the following:
\verbatim
- NicenoKEqnCoeffs
+ kEqnCoeffs
{
Ck 0.094;
Ce 1.048;
@@ -165,7 +165,7 @@ public:
);
}
- //- Correct Eddy-Viscosity and related properties
+ //- Correct eddy-Viscosity and related properties
virtual void correct();
};
diff --git a/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.C b/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.C
index 345e69d2a3c09f9c6e631e0f90050c2cddce6513..4f4cba8d2719d04a71601ab57ec4de661372996e 100644
--- a/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.C
+++ b/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.C
@@ -26,6 +26,82 @@ License
#include "ReynoldsStress.H"
#include "fvc.H"
#include "fvm.H"
+#include "wallFvPatch.H"
+
+// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
+
+template<class BasicTurbulenceModel>
+void Foam::ReynoldsStress<BasicTurbulenceModel>::boundNormalStress
+(
+ volSymmTensorField& R
+) const
+{
+ scalar kMin = this->kMin_.value();
+
+ R.max
+ (
+ dimensionedSymmTensor
+ (
+ "zero",
+ R.dimensions(),
+ symmTensor
+ (
+ kMin, -GREAT, -GREAT,
+ kMin, -GREAT,
+ kMin
+ )
+ )
+ );
+}
+
+
+template<class BasicTurbulenceModel>
+void Foam::ReynoldsStress<BasicTurbulenceModel>::correctWallShearStress
+(
+ volSymmTensorField& R
+) const
+{
+ const fvPatchList& patches = this->mesh_.boundary();
+
+ forAll(patches, patchi)
+ {
+ const fvPatch& curPatch = patches[patchi];
+
+ if (isA<wallFvPatch>(curPatch))
+ {
+ symmTensorField& Rw = R.boundaryField()[patchi];
+
+ const scalarField& nutw = this->nut_.boundaryField()[patchi];
+
+ const vectorField snGradU
+ (
+ this->U_.boundaryField()[patchi].snGrad()
+ );
+
+ const vectorField& faceAreas
+ = this->mesh_.Sf().boundaryField()[patchi];
+
+ const scalarField& magFaceAreas
+ = this->mesh_.magSf().boundaryField()[patchi];
+
+ forAll(curPatch, facei)
+ {
+ // Calculate near-wall velocity gradient
+ tensor gradUw
+ = (faceAreas[facei]/magFaceAreas[facei])*snGradU[facei];
+
+ // Calculate near-wall shear-stress tensor
+ tensor tauw = -nutw[facei]*2*dev(symm(gradUw));
+
+ // Reset the shear components of the stress tensor
+ Rw[facei].xy() = tauw.xy();
+ Rw[facei].xz() = tauw.xz();
+ Rw[facei].yz() = tauw.yz();
+ }
+ }
+ }
+}
+
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
@@ -113,7 +189,7 @@ template<class BasicTurbulenceModel>
Foam::tmp<Foam::volScalarField>
Foam::ReynoldsStress<BasicTurbulenceModel>::k() const
{
- tmp<Foam::volScalarField> tk(tr(R_));
+ tmp<Foam::volScalarField> tk(0.5*tr(R_));
tk().rename("k");
return tk;
}
@@ -168,7 +244,7 @@ Foam::ReynoldsStress<BasicTurbulenceModel>::divDevRhoReff
"laplacian(nuEff,U)"
)
- fvm::laplacian(this->alpha_*this->rho_*this->nuEff(), U)
- - fvc::div(this->alpha_*this->rho_*nu()*dev2(T(fvc::grad(U))))
+ - fvc::div(this->alpha_*this->rho_*this->nu()*dev2(T(fvc::grad(U))))
);
}
else
@@ -183,7 +259,7 @@ Foam::ReynoldsStress<BasicTurbulenceModel>::divDevRhoReff
"laplacian(nuEff,U)"
)
- fvm::laplacian(this->alpha_*this->rho_*this->nuEff(), U)
- - fvc::div(this->alpha_*this->rho_*nu()*dev2(T(fvc::grad(U))))
+ - fvc::div(this->alpha_*this->rho_*this->nu()*dev2(T(fvc::grad(U))))
);
}
diff --git a/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.H b/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.H
index 9c27cc4c81d73dd8c3bb24342c0a7474de0d3288..b27468b5a335cadcf34b6c59d2533c8394759795 100644
--- a/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.H
+++ b/src/TurbulenceModels/turbulenceModels/ReynoldsStress/ReynoldsStress.H
@@ -69,6 +69,10 @@ protected:
// Protected Member Functions
+ void boundNormalStress(volSymmTensorField& R) const;
+ void correctWallShearStress(volSymmTensorField& R) const;
+
+ //- Update the eddy-viscosity
virtual void correctNut() = 0;