diff --git a/src/regionFaModels/liquidFilm/liquidFilmBase.C b/src/regionFaModels/liquidFilm/liquidFilmBase.C
index 5ae39554858c9408d6e33e6e98e1db7145ed9722..469d97bb5ea3f0f5ec3ca143c6885e1d63450062 100644
--- a/src/regionFaModels/liquidFilm/liquidFilmBase.C
+++ b/src/regionFaModels/liquidFilm/liquidFilmBase.C
@@ -551,6 +551,12 @@ scalar liquidFilmBase::pRef()
return pRef_;
}
+
+word liquidFilmBase::UName() const
+{
+ return UName_;
+}
+
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace areaSurfaceFilmModels
diff --git a/src/regionFaModels/liquidFilm/liquidFilmBase.H b/src/regionFaModels/liquidFilm/liquidFilmBase.H
index 8bbce9f9b5213acb2d24a4c7b13fe89613ba4eb1..16470f119617f568fb5f1266af211cd7cd6e76e0 100644
--- a/src/regionFaModels/liquidFilm/liquidFilmBase.H
+++ b/src/regionFaModels/liquidFilm/liquidFilmBase.H
@@ -261,6 +261,9 @@ public:
//- Access to pRef
scalar pRef();
+ //- Name of the U field
+ word UName() const;
+
// Transfer fields - to the primary region (lagragian injection)
diff --git a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.C b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.C
index d8d18116fe96e5feaab1131481cf2e9b9c138090..c7fd810867b92b61d1c858af18ef98fada489efd 100644
--- a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.C
+++ b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.C
@@ -5,7 +5,7 @@
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
- Copyright (C) 2020 OpenCFD Ltd.
+ Copyright (C) 2020-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@@ -27,6 +27,8 @@ License
#include "filmTurbulenceModel.H"
#include "gravityMeshObject.H"
+#include "turbulentTransportModel.H"
+#include "turbulentFluidThermoModel.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@@ -54,6 +56,16 @@ filmTurbulenceModel::frictionMethodTypeNames_
{ frictionMethodType::mManningStrickler, "ManningStrickler" }
};
+const Enum
+<
+ filmTurbulenceModel::shearMethodType
+>
+filmTurbulenceModel::shearMethodTypeNames_
+{
+ { shearMethodType::msimple, "simple" },
+ { shearMethodType::mwallFunction, "wallFunction" }
+};
+
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
filmTurbulenceModel::filmTurbulenceModel
@@ -65,8 +77,16 @@ filmTurbulenceModel::filmTurbulenceModel
:
film_(film),
dict_(dict.subDict(modelType + "Coeffs")),
- method_(frictionMethodTypeNames_.get("friction", dict_))
-{}
+ method_(frictionMethodTypeNames_.get("friction", dict_)),
+ shearMethod_(shearMethodTypeNames_.get("shearStress", dict_)),
+ rhoName_(dict_.getOrDefault<word>("rho", "rho")),
+ rhoRef_(VGREAT)
+{
+ if (rhoName_ == "rhoInf")
+ {
+ rhoRef_ = dict_.get<scalar>("rhoInf");
+ }
+}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
@@ -163,6 +183,173 @@ tmp<areaScalarField> filmTurbulenceModel::Cw() const
}
+tmp<faVectorMatrix> filmTurbulenceModel::primaryRegionFriction
+(
+ areaVectorField& U
+) const
+{
+ tmp<faVectorMatrix> tshearStress
+ (
+ new faVectorMatrix(U, sqr(U.dimensions())*sqr(dimLength))
+ );
+
+ switch (shearMethod_)
+ {
+ case msimple:
+ {
+ tmp<areaVectorField> Up = film_.Up();
+
+ const dimensionedScalar Cf
+ (
+ "Cf",
+ dimVelocity,
+ dict_.get<scalar>("Cf")
+ );
+
+ tshearStress.ref() += - fam::Sp(Cf, U) + Cf*Up();
+
+ break;
+ }
+ case mwallFunction:
+ {
+ tmp<volSymmTensorField> tdevRhoReff = devRhoReff();
+
+ const volSymmTensorField::Boundary& devRhoReffb
+ = tdevRhoReff().boundaryField();
+
+ label patchi = film_.patchID();
+
+ const surfaceVectorField::Boundary& Sfb =
+ film_.primaryMesh().Sf().boundaryField();
+
+ vectorField fT(Sfb[patchi] & devRhoReffb[patchi]);
+
+ const vectorField& nHat =
+ film_.regionMesh().faceAreaNormals().internalField();
+
+ // Substract normal component
+ fT -= nHat*(fT & nHat);
+
+ tmp<areaVectorField> taForce
+ (
+ new areaVectorField
+ (
+ IOobject
+ (
+ "taForce",
+ film_.primaryMesh().time().timeName(),
+ film_.primaryMesh()
+ ),
+ film_.regionMesh(),
+ dimensionedVector(sqr(dimVelocity), Zero)
+ )
+ );
+
+ vectorField& aForce = taForce.ref().primitiveFieldRef();
+
+ // Map ft to surface
+ vectorField afT(film_.vsm().mapToSurface(fT));
+
+ const DimensionedField<scalar, areaMesh>& magSf =
+ film_.regionMesh().S();
+
+ aForce = afT/film_.rho().primitiveField()/magSf;
+
+ tshearStress.ref() += taForce();
+
+ if (film_.regionMesh().time().writeTime())
+ {
+ taForce().write();
+ }
+
+ break;
+ }
+
+ }
+
+ return tshearStress;
+
+}
+
+
+tmp<Foam::volSymmTensorField> filmTurbulenceModel::devRhoReff() const
+{
+ typedef compressible::turbulenceModel cmpTurbModel;
+ typedef incompressible::turbulenceModel icoTurbModel;
+
+ const fvMesh& m = film_.primaryMesh();
+
+ const auto& U = m.lookupObject<volVectorField>(film_.UName());
+
+ if (m.foundObject<cmpTurbModel>(cmpTurbModel::propertiesName))
+ {
+ const cmpTurbModel& turb =
+ m.lookupObject<cmpTurbModel>(cmpTurbModel::propertiesName);
+
+ return turb.devRhoReff();
+ }
+ else if (m.foundObject<icoTurbModel>(icoTurbModel::propertiesName))
+ {
+ const incompressible::turbulenceModel& turb =
+ m.lookupObject<icoTurbModel>(icoTurbModel::propertiesName);
+
+ return rho()*turb.devReff();
+ }
+ else if (m.foundObject<fluidThermo>(fluidThermo::dictName))
+ {
+ const fluidThermo& thermo =
+ m.lookupObject<fluidThermo>(fluidThermo::dictName);
+
+ return -thermo.mu()*dev(twoSymm(fvc::grad(U)));
+ }
+ else if (m.foundObject<transportModel>("transportProperties"))
+ {
+ const transportModel& laminarT =
+ m.lookupObject<transportModel>("transportProperties");
+
+ return -rho()*laminarT.nu()*dev(twoSymm(fvc::grad(U)));
+ }
+ else if (m.foundObject<dictionary>("transportProperties"))
+ {
+ const dictionary& transportProperties =
+ m.lookupObject<dictionary>("transportProperties");
+
+ dimensionedScalar nu("nu", dimViscosity, transportProperties);
+
+ return -rho()*nu*dev(twoSymm(fvc::grad(U)));
+ }
+ else
+ {
+ FatalErrorInFunction
+ << "No valid model for viscous stress calculation"
+ << exit(FatalError);
+
+ return volSymmTensorField::null();
+ }
+}
+
+
+tmp<Foam::volScalarField> filmTurbulenceModel::rho() const
+{
+ const fvMesh& m = film_.primaryMesh();
+ if (rhoName_ == "rhoInf")
+ {
+ return tmp<volScalarField>::New
+ (
+ IOobject
+ (
+ "rho",
+ m.time().timeName(),
+ m
+ ),
+ m,
+ dimensionedScalar("rho", dimDensity, rhoRef_)
+ );
+ }
+
+ return(m.lookupObject<volScalarField>(rhoName_));
+}
+
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace areaSurfaceFilmModels
diff --git a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.H b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.H
index 5277983eecc508f2507272905a8c714c7cd8020e..6234880139c094175dfc14d96e8aaad3f1a3923f 100644
--- a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.H
+++ b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/filmTurbulenceModel/filmTurbulenceModel.H
@@ -5,7 +5,7 @@
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
- Copyright (C) 2020 OpenCFD Ltd.
+ Copyright (C) 2020-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@@ -82,6 +82,12 @@ public:
mManningStrickler
};
+ enum shearMethodType
+ {
+ msimple,
+ mwallFunction
+ };
+
protected:
@@ -93,12 +99,24 @@ protected:
//- Names for friction models
static const Enum<frictionMethodType> frictionMethodTypeNames_;
+ //- Names for shear stress models
+ static const Enum<shearMethodType> shearMethodTypeNames_;
+
//- Model dictionary
const dictionary dict_;
//- Method used
const frictionMethodType method_;
+ //- Shear method used
+ const shearMethodType shearMethod_;
+
+ //- Name of density field (optional)
+ word rhoName_;
+
+ //- Reference density needed for incompressible calculations
+ scalar rhoRef_;
+
public:
@@ -154,7 +172,19 @@ public:
const liquidFilmBase& film() const;
- // Evolution
+ // Turbulence
+
+ //- Return the effective viscous stress (laminar + turbulent).
+ tmp<volSymmTensorField> devRhoReff() const;
+
+ //- Return primary region frintion
+ tmp<faVectorMatrix> primaryRegionFriction
+ (
+ areaVectorField& U
+ ) const;
+
+ //- Return rho if specified otherwise rhoRef
+ tmp<volScalarField> rho() const;
//- Return the wall film surface friction
virtual tmp<areaScalarField> Cw() const;
@@ -162,6 +192,10 @@ public:
//- Return the film turbulence viscosity
virtual tmp<areaScalarField> mut() const = 0;
+
+ // Evolution
+
+
//- Correct/update the model
virtual void correct() = 0;
diff --git a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.C b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.C
index 7630e254661109ce28688d7d664dd581ad1a3489..b00b5b38b0dbdb818bac70c997ac1b305dd15fd5 100644
--- a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.C
+++ b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.C
@@ -5,7 +5,7 @@
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
- Copyright (C) 2020 OpenCFD Ltd.
+ Copyright (C) 2020-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@@ -51,8 +51,8 @@ laminar::laminar
const dictionary& dict
)
:
- filmTurbulenceModel(type(), film, dict),
- Cf_(dict_.get<scalar>("Cf"))
+ filmTurbulenceModel(type(), film, dict)
+// Cf_(dict_.get<scalar>("Cf"))
{}
@@ -91,23 +91,40 @@ void laminar::correct()
tmp<faVectorMatrix> laminar::Su(areaVectorField& U) const
{
- // local references to film fields
- tmp<areaVectorField> Uw = film_.Uw();
- tmp<areaVectorField> Up = film_.Up();
+ return
+ (
+ primaryRegionFriction(U) + wallFriction(U)
+ );
+}
- // employ simple coeff-based model
- const dimensionedScalar Cf("Cf", dimVelocity, Cf_);
+tmp<faVectorMatrix> laminar::wallFriction(areaVectorField& U) const
+{
+ // local references to film fields
+ tmp<areaVectorField> Uw = film_.Uw();
tmp<areaScalarField> wf = Cw();
return
(
- - fam::Sp(Cf, U) + Cf*Up() // surface contribution
- fam::Sp(wf(), U) + wf()*Uw() // wall contribution
);
}
+// tmp<faVectorMatrix> laminar::primaryRegionFriction(areaVectorField& U) const
+// {
+// tmp<areaVectorField> Up = film_.Up();
+//
+// // employ simple coeff-based model
+// const dimensionedScalar Cf("Cf", dimVelocity, Cf_);
+//
+// return
+// (
+// - fam::Sp(Cf, U) + Cf*Up() // surface contribution
+// );
+// }
+
+
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace areaSurfaceFilmModels
diff --git a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.H b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.H
index b0e6b7054136866f3adf18ce0953ac63d5f09663..ba627b7040d9015abbc32270e5cc97bdd0ea2527 100644
--- a/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.H
+++ b/src/regionFaModels/liquidFilm/subModels/kinematic/filmTurbulenceModel/laminar/laminar.H
@@ -5,7 +5,7 @@
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
- Copyright (C) 2020 OpenCFD Ltd.
+ Copyright (C) 2020-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@@ -60,7 +60,7 @@ class laminar
// Private Data
//- Surface roughness coefficient
- scalar Cf_;
+ //scalar Cf_;
// Private Member Functions
@@ -90,16 +90,22 @@ public:
// Member Functions
- // Evolution
+ // Turbulence
+
+ //- Wall friction
+ tmp<faVectorMatrix> wallFriction(areaVectorField& U) const;
//- Return the film turbulence viscosity
virtual tmp<areaScalarField> mut() const;
- //- Correct/update the model
- virtual void correct();
-
//- Return the source for the film momentum equation
virtual tmp<faVectorMatrix> Su(areaVectorField& U) const;
+
+
+ // Evolution
+
+ //- Correct/update the model
+ virtual void correct();
};