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Overhauled fvDOM and added specular reflective BCs with tutorial case

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This commit is contained in:
Dominik Christ 2014-04-28 09:29:53 +01:00
parent be934ff674
commit 56db9d3bf8
32 changed files with 2302 additions and 345 deletions
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1
src/thermophysicalModels/radiation/Make/files
View file

@ -33,6 +33,7 @@ derivedFvPatchFields/MarshakRadiation/MarshakRadiationMixedFvPatchScalarField.C
derivedFvPatchFields/MarshakRadiationFixedT/MarshakRadiationFixedTMixedFvPatchScalarField.C
derivedFvPatchFields/greyDiffusiveRadiation/greyDiffusiveRadiationMixedFvPatchScalarField.C
derivedFvPatchFields/wideBandDiffusiveRadiation/wideBandDiffusiveRadiationMixedFvPatchScalarField.C
derivedFvPatchFields/wideBandSpecularRadiation/wideBandSpecularRadiationMixedFvPatchScalarField.C
derivedFvPatchFields/greyDiffusiveViewFactor/greyDiffusiveViewFactorFixedValueFvPatchScalarField.C
LIB = $(FOAM_LIBBIN)/libradiation

217
src/thermophysicalModels/radiation/derivedFvPatchFields/greyDiffusiveRadiation/greyDiffusiveRadiationMixedFvPatchScalarField.C
View file

@ -29,13 +29,64 @@ License
#include "volFields.H"
#include "fvDOM.H"
#include "radiationConstants.H"
#include "mathematicalConstants.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace radiation
{
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void
greyDiffusiveRadiationMixedFvPatchScalarField::calcSumOutgoingAngles() const
{
if (sumOutgoingAnglesPtr_)
{
FatalErrorIn
(
"wideBandDiffusiveRadiationMixedFvPatchScalarField"
"::calcSumOutgoingAngles()"
) << "sumOutgoingAnglesPtr_ already calculated"
<< abort(FatalError);
}
sumOutgoingAnglesPtr_ = new scalarField(this->size(), 0.);
scalarField& sumOutgoingAngles = *sumOutgoingAnglesPtr_;
// Get access to radiation model, and recast as fvDOM
const radiationModel& radiation =
db().lookupObject<radiationModel>("radiationProperties");
const fvDOM& dom = dynamic_cast<const fvDOM&>(radiation);
for(label rayI = 0; rayI < dom.nRay(); rayI++)
{
// Calculate cosine of angle between face and ray
scalarField outgoingAngles = this->patch().nf() & dom.IRay(rayI).dAve();
// For outgoing rays, outgoingAngles will be negative
sumOutgoingAngles += neg(outgoingAngles)*(-outgoingAngles);
}
}
const Foam::scalarField&
greyDiffusiveRadiationMixedFvPatchScalarField::sumOutgoingAngles() const
{
if (!sumOutgoingAnglesPtr_)
{
calcSumOutgoingAngles();
}
return *sumOutgoingAnglesPtr_;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField
(
const fvPatch& p,
@ -44,7 +95,8 @@ greyDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(p, iF),
TName_("undefinedT"),
emissivity_(0.0)
emissivity_(0.0),
sumOutgoingAnglesPtr_(NULL)
{
refValue() = 0.0;
refGrad() = 0.0;
@ -52,7 +104,7 @@ greyDiffusiveRadiationMixedFvPatchScalarField
}
Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField
(
const greyDiffusiveRadiationMixedFvPatchScalarField& ptf,
@ -63,11 +115,12 @@ greyDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(ptf, p, iF, mapper),
TName_(ptf.TName_),
emissivity_(ptf.emissivity_)
emissivity_(ptf.emissivity_),
sumOutgoingAnglesPtr_(NULL)
{}
Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField
(
const fvPatch& p,
@ -77,7 +130,8 @@ greyDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(p, iF),
TName_(dict.lookup("T")),
emissivity_(readScalar(dict.lookup("emissivity")))
emissivity_(readScalar(dict.lookup("emissivity"))),
sumOutgoingAnglesPtr_(NULL)
{
if (dict.found("refValue"))
{
@ -110,7 +164,7 @@ greyDiffusiveRadiationMixedFvPatchScalarField
}
Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField
(
const greyDiffusiveRadiationMixedFvPatchScalarField& ptf
@ -118,11 +172,12 @@ greyDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(ptf),
TName_(ptf.TName_),
emissivity_(ptf.emissivity_)
emissivity_(ptf.emissivity_),
sumOutgoingAnglesPtr_(NULL)
{}
Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField::
greyDiffusiveRadiationMixedFvPatchScalarField
(
const greyDiffusiveRadiationMixedFvPatchScalarField& ptf,
@ -131,100 +186,88 @@ greyDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(ptf, iF),
TName_(ptf.TName_),
emissivity_(ptf.emissivity_)
emissivity_(ptf.emissivity_),
sumOutgoingAnglesPtr_(NULL)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::
updateCoeffs()
void greyDiffusiveRadiationMixedFvPatchScalarField::updateCoeffs()
{
if (this->updated())
{
return;
}
const scalarField& Tp =
lookupPatchField<volScalarField, scalar>(TName_);
const label patchI = this->patch().index();
// Access radiation model
const radiationModel& radiation =
db().lookupObject<radiationModel>("radiationProperties");
const fvDOM& dom(refCast<const fvDOM>(radiation));
const fvDOM& dom = dynamic_cast<const fvDOM&>(radiation);
if (dom.nLambda() == 0)
{
FatalErrorIn
(
""
"wideBandDiffusiveRadiationMixedFvPatchScalarField::updateCoeffs"
) << " a non-grey boundary condition is used with a grey "
<< "absorption model" << nl << exit(FatalError);
}
// Get rayId and lambda Id for this ray
label rayId = -1;
label lambdaId = -1;
dom.setRayIdLambdaId(dimensionedInternalField().name(), rayId, lambdaId);
const label patchI = patch().index();
// Make shortcut to ray belonging to this field
const radiativeIntensityRay& ray = dom.IRay(rayId);
if (dom.nLambda() != 1)
{
FatalErrorIn
// Access incoming radiation for this patch for this band
const scalarField& Qin = dom.Qin(lambdaId)[patchI];
// Access black body radiation for this patch for this band
const scalarField& Eb =
dom.blackBody().bLambda(lambdaId).boundaryField()[patchI];
// Get face normals
vectorField nHat = patch().nf();
// Calculate cos of incoming angle of current ray with every face
scalarField incomingAngle = this->patch().nf() & ray.dAve();
// Set to zeroGradient (=0; incomingAngle > 0) for faces with incoming rays
// and to fixedValue (=1; incomingAngle < 0) for outgoing rays
this->valueFraction() = neg(incomingAngle);
// Set intensity value for fixedValue part (see reference in header file)
this->refValue() =
emissivity_*Eb + ((1 - emissivity_)*Qin)/sumOutgoingAngles();
// Update boundary field now, so values for incoming and outgoing rays
// are in balance
scalarField::operator=
(
this->valueFraction()*this->refValue()
+
(1.0 - this->valueFraction())*
(
"Foam::radiation::"
"greyDiffusiveRadiationMixedFvPatchScalarField::updateCoeffs"
) << " a grey boundary condition is used with a non-grey "
<< "absorption model" << nl << exit(FatalError);
}
scalarField& Iw = *this;
vectorField n = patch().Sf()/patch().magSf();
radiativeIntensityRay& ray =
const_cast<radiativeIntensityRay&>(dom.IRay(rayId));
ray.Qr().boundaryField()[patchI] += Iw*(n & ray.dAve());
forAll(Iw, faceI)
{
scalar Ir = 0.0;
for (label rayI=0; rayI < dom.nRay(); rayI++)
{
const vector& d = dom.IRay(rayI).d();
const scalarField& IFace =
dom.IRay(rayI).ILambda(lambdaId).boundaryField()[patchI];
if ((-n[faceI] & d) < 0.0)
{
// q into the wall
const vector& dAve = dom.IRay(rayI).dAve();
Ir += IFace[faceI]*mag(n[faceI] & dAve);
}
}
const vector& d = dom.IRay(rayId).d();
if ((-n[faceI] & d) > 0.0)
{
// direction out of the wall
refGrad()[faceI] = 0.0;
valueFraction()[faceI] = 1.0;
refValue()[faceI] =
(
Ir*(1.0 - emissivity_)
+ emissivity_*radiation::sigmaSB.value()*pow4(Tp[faceI])
)
/mathematicalConstant::pi;
}
else
{
// direction into the wall
valueFraction()[faceI] = 0.0;
refGrad()[faceI] = 0.0;
refValue()[faceI] = 0.0; //not used
}
}
this->patchInternalField()
+ this->refGrad()/this->patch().deltaCoeffs()
)
);
mixedFvPatchScalarField::updateCoeffs();
}
void Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::write
void greyDiffusiveRadiationMixedFvPatchScalarField::write
(
Ostream& os
) const
@ -237,17 +280,13 @@ void Foam::radiation::greyDiffusiveRadiationMixedFvPatchScalarField::write
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace radiation
{
makePatchTypeField
(
fvPatchScalarField,
greyDiffusiveRadiationMixedFvPatchScalarField
);
}
}
makePatchTypeField
(
fvPatchScalarField,
greyDiffusiveRadiationMixedFvPatchScalarField
);
} // End namespace radiation
} // End namespace Foam
// ************************************************************************* //

16
src/thermophysicalModels/radiation/derivedFvPatchFields/greyDiffusiveRadiation/greyDiffusiveRadiationMixedFvPatchScalarField.H
View file

@ -25,7 +25,9 @@ Class
Foam::greyDiffusiveRadiationMixedFvPatchScalarField
Description
Radiation temperature specified
Radiation boundary will diffusive reflection and black body emission.
See Modest "Radiative heat transfer", Capter 16.6 "The finite volume method"
Eq.16.63
SourceFiles
greyDiffusiveRadiationMixedFvPatchScalarField.C
@ -59,6 +61,15 @@ class greyDiffusiveRadiationMixedFvPatchScalarField
//- Emissivity
scalar emissivity_;
//- Sum of cosine factors of all outgoing rays (lazy evaluated)
mutable scalarField *sumOutgoingAnglesPtr_;
// Private member functions
//- Calculate sum of cosine factors of all outgoing rays
void calcSumOutgoingAngles() const;
public:
@ -157,6 +168,9 @@ public:
return emissivity_;
}
//- Return sum of cosine factors of all outgoing rays
const scalarField& sumOutgoingAngles() const;
// Evaluation functions

194
src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandDiffusiveRadiation/wideBandDiffusiveRadiationMixedFvPatchScalarField.C
View file

@ -29,13 +29,64 @@ License
#include "volFields.H"
#include "fvDOM.H"
#include "wideBandAbsorptionEmission.H"
#include "radiationConstants.H"
#include "mathematicalConstants.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace radiation
{
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void
wideBandDiffusiveRadiationMixedFvPatchScalarField::calcSumOutgoingAngles() const
{
if (sumOutgoingAnglesPtr_)
{
FatalErrorIn
(
"wideBandDiffusiveRadiationMixedFvPatchScalarField"
"::calcSumOutgoingAngles()"
) << "sumOutgoingAnglesPtr_ already calculated"
<< abort(FatalError);
}
sumOutgoingAnglesPtr_ = new scalarField(this->size(), 0.);
scalarField& sumOutgoingAngles = *sumOutgoingAnglesPtr_;
// Get access to radiation model, and recast as fvDOM
const radiationModel& radiation =
db().lookupObject<radiationModel>("radiationProperties");
const fvDOM& dom = dynamic_cast<const fvDOM&>(radiation);
for(label rayI = 0; rayI < dom.nRay(); rayI++)
{
// Calculate cosine of angle between face and ray
scalarField outgoingAngles = this->patch().nf() & dom.IRay(rayI).dAve();
// For outgoing rays, outgoingAngles will be negative
sumOutgoingAngles += neg(outgoingAngles)*(-outgoingAngles);
}
}
const Foam::scalarField&
wideBandDiffusiveRadiationMixedFvPatchScalarField::sumOutgoingAngles() const
{
if (!sumOutgoingAnglesPtr_)
{
calcSumOutgoingAngles();
}
return *sumOutgoingAnglesPtr_;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField
(
const fvPatch& p,
@ -44,7 +95,8 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(p, iF),
TName_("undefinedT"),
emissivity_(0.0)
emissivity_(0.0),
sumOutgoingAnglesPtr_(NULL)
{
refValue() = 0.0;
refGrad() = 0.0;
@ -52,7 +104,7 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
}
Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField
(
const wideBandDiffusiveRadiationMixedFvPatchScalarField& ptf,
@ -63,11 +115,12 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(ptf, p, iF, mapper),
TName_(ptf.TName_),
emissivity_(ptf.emissivity_)
emissivity_(ptf.emissivity_),
sumOutgoingAnglesPtr_(NULL)
{}
Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField
(
const fvPatch& p,
@ -77,7 +130,8 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(p, iF),
TName_(dict.lookup("T")),
emissivity_(readScalar(dict.lookup("emissivity")))
emissivity_(readScalar(dict.lookup("emissivity"))),
sumOutgoingAnglesPtr_(NULL)
{
if (dict.found("value"))
{
@ -95,7 +149,7 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
{
// No value given. Restart as fixedValue b.c.
// Bugfix: Do not initialize from temperautre because it is unavailable
// Bugfix: Do not initialize from temperature because it is unavailable
// when running, e.g. decomposePar and loading radiation as
// shared library. Initialize to zero instead.
// 26 Mar 2014 - DC
@ -109,7 +163,7 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
}
Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField
(
const wideBandDiffusiveRadiationMixedFvPatchScalarField& ptf
@ -117,11 +171,12 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(ptf),
TName_(ptf.TName_),
emissivity_(ptf.emissivity_)
emissivity_(ptf.emissivity_),
sumOutgoingAnglesPtr_(NULL)
{}
Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField::
wideBandDiffusiveRadiationMixedFvPatchScalarField
(
const wideBandDiffusiveRadiationMixedFvPatchScalarField& ptf,
@ -130,97 +185,85 @@ wideBandDiffusiveRadiationMixedFvPatchScalarField
:
mixedFvPatchScalarField(ptf, iF),
TName_(ptf.TName_),
emissivity_(ptf.emissivity_)
emissivity_(ptf.emissivity_),
sumOutgoingAnglesPtr_(NULL)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::
updateCoeffs()
void wideBandDiffusiveRadiationMixedFvPatchScalarField::updateCoeffs()
{
if (this->updated())
{
return;
}
const label patchI = this->patch().index();
// Access radiation model
const radiationModel& radiation =
db().lookupObject<radiationModel>("radiationProperties");
const fvDOM& dom(refCast<const fvDOM>(radiation));
label rayId = -1;
label lambdaId = -1;
dom.setRayIdLambdaId(dimensionedInternalField().name(), rayId, lambdaId);
const label patchI = patch().index();
const fvDOM& dom = dynamic_cast<const fvDOM&>(radiation);
if (dom.nLambda() == 0)
{
FatalErrorIn
(
"Foam::radiation::"
""
"wideBandDiffusiveRadiationMixedFvPatchScalarField::updateCoeffs"
) << " a non-grey boundary condition is used with a grey "
<< "absorption model" << nl << exit(FatalError);
}
scalarField& Iw = *this;
vectorField n = patch().Sf()/patch().magSf();
// Get rayId and lambda Id for this ray
label rayId = -1;
label lambdaId = -1;
dom.setRayIdLambdaId(dimensionedInternalField().name(), rayId, lambdaId);
radiativeIntensityRay& ray =
const_cast<radiativeIntensityRay&>(dom.IRay(rayId));
// Make shortcut to ray belonging to this field
const radiativeIntensityRay& ray = dom.IRay(rayId);
ray.Qr().boundaryField()[patchI] += Iw*(n & ray.dAve());
// Access incoming radiation for this patch for this band
const scalarField& Qin = dom.Qin(lambdaId)[patchI];
const scalarField Eb =
// Access black body radiation for this patch for this band
const scalarField& Eb =
dom.blackBody().bLambda(lambdaId).boundaryField()[patchI];
forAll(Iw, faceI)
{
scalar Ir = 0.0;
for (label rayI=0; rayI < dom.nRay(); rayI++)
{
const vector& d = dom.IRay(rayI).d();
// Get face normals
vectorField nHat = patch().nf();
const scalarField& IFace =
dom.IRay(rayI).ILambda(lambdaId).boundaryField()[patchI];
// Calculate cos of incoming angle of current ray with every face
scalarField incomingAngle = this->patch().nf() & ray.dAve();
if ((-n[faceI] & d) < 0.0) // qin into the wall
{
const vector& dAve = dom.IRay(rayI).dAve();
Ir = Ir + IFace[faceI]*mag(n[faceI] & dAve);
}
}
// Set to zeroGradient (=0; incomingAngle > 0) for faces with incoming rays
// and to fixedValue (=1; incomingAngle < 0) for outgoing rays
this->valueFraction() = neg(incomingAngle);
const vector& d = dom.IRay(rayId).d();
// Set intensity value for fixedValue part (see reference in header file)
this->refValue() =
emissivity_*Eb + ((1 - emissivity_)*Qin)/sumOutgoingAngles();
if ((-n[faceI] & d) > 0.0)
{
// direction out of the wall
refGrad()[faceI] = 0.0;
valueFraction()[faceI] = 1.0;
refValue()[faceI] =
(
Ir*(1.0 - emissivity_)
+ emissivity_*Eb[faceI]
)
/mathematicalConstant::pi;
}
else
{
// direction into the wall
valueFraction()[faceI] = 0.0;
refGrad()[faceI] = 0.0;
refValue()[faceI] = 0.0; //not used
}
}
// Update boundary field now, so values for incoming and outgoing rays
// are in balance
scalarField::operator=
(
this->valueFraction()*this->refValue()
+
(1.0 - this->valueFraction())*
(
this->patchInternalField()
+ this->refGrad()/this->patch().deltaCoeffs()
)
);
mixedFvPatchScalarField::updateCoeffs();
}
void Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::write
void wideBandDiffusiveRadiationMixedFvPatchScalarField::write
(
Ostream& os
) const
@ -234,17 +277,14 @@ void Foam::radiation::wideBandDiffusiveRadiationMixedFvPatchScalarField::write
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace radiation
{
makePatchTypeField
(
fvPatchScalarField,
wideBandDiffusiveRadiationMixedFvPatchScalarField
);
}
}
makePatchTypeField
(
fvPatchScalarField,
wideBandDiffusiveRadiationMixedFvPatchScalarField
);
} // End namespace radiation
} // End namespace Foam
// ************************************************************************* //

16
src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandDiffusiveRadiation/wideBandDiffusiveRadiationMixedFvPatchScalarField.H
View file

@ -25,7 +25,9 @@ Class
Foam::wideBandDiffusiveRadiationMixedFvPatchScalarField
Description
Radiation temperature specified
Radiation boundary will diffusive reflection and black body emission.
See Modest "Radiative heat transfer", Capter 16.6 "The finite volume method"
Eq.16.63
SourceFiles
wideBandDiffusiveRadiationMixedFvPatchScalarField.C
@ -59,6 +61,15 @@ class wideBandDiffusiveRadiationMixedFvPatchScalarField
//- Emissivity
scalar emissivity_;
//- Sum of cosine factors of all outgoing rays (lazy evaluated)
mutable scalarField *sumOutgoingAnglesPtr_;
// Private member functions
//- Calculate sum of cosine factors of all outgoing rays
void calcSumOutgoingAngles() const;
public:
@ -157,6 +168,9 @@ public:
return emissivity_;
}
//- Return sum of cosine factors of all outgoing rays
const scalarField& sumOutgoingAngles() const;
// Evaluation functions

416
src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandSpecularRadiation/wideBandSpecularRadiationMixedFvPatchScalarField.C Normal file
View file

@ -0,0 +1,416 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration |
\\ / A nd | For copyright notice see file Copyright
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend 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.
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "radiationModel.H"
#include "fvDOM.H"
#include "wideBandSpecularRadiationMixedFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace radiation
{
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void wideBandSpecularRadiationMixedFvPatchScalarField::
calcReceivedRayIDs() const
{
if (receivedRayIDPtr_)
{
FatalErrorIn
(
"wideBandSpecularRadiationMixedFvPatchScalarField"
"::calcreceivedRayIDs()"
) << "receivedRayIDPtr already calculated"
<< abort(FatalError);
}
receivedRayIDPtr_ = new labelListList(this->size());
labelListList& receivedRayID = *receivedRayIDPtr_;
// Get access to radiation model, and recast as fvDOM
const radiationModel& radiation =
this->db().lookupObject<radiationModel>("radiationProperties");
const fvDOM& dom(refCast<const fvDOM>(radiation));
// Get rayId and lambda Id for this ray
label rayId = -1;
label lambdaId = -1;
dom.setRayIdLambdaId(dimensionedInternalField().name(), rayId, lambdaId);
// Get index of active ray
word rayAndBand = this->dimensionedInternalField().name();
rayAndBand =
rayAndBand.substr(rayAndBand.find("_")+1, rayAndBand.size()-1);
// Get all ray directions
List<vector> dAve(dom.nRay());
forAll (dAve, rayI)
{
dAve[rayI] = dom.IRay(rayI).dAve()/mag(dom.IRay(rayI).dAve());
}
// Get face normal vectors
vectorField nHat = this->patch().nf();
// For each face, and for each reflected ray, try to find another
// ray that is better suited to pick it up.
forAll(receivedRayID, faceI)
{
// Access the list of received rays for this face
labelList& receivedRayIDs = receivedRayID[faceI];
// Check whether ray is going into surface
// -> no reflection
if ((dAve[rayId] & nHat[faceI]) > 0)
{
receivedRayIDs.setSize(0);
continue;
}
// For each face, initialize list of picked up
// rays to maximum possible size
receivedRayIDs.setSize(dom.nRay() - 1);
// Count actual number of receiving rays
label nReceiving = 0;
forAll(dAve, incomingRayI)
{
// Calculate reflected ray direction for rayI
vector dReflected =
dAve[incomingRayI]
- 2*(dAve[incomingRayI] & nHat[faceI])*nHat[faceI];
// Get dot product with this ray
scalar dotProductThisRay = dAve[rayId] & dReflected;
// Assume this ray is closest to the reflected ray
bool closest = true;
// And look through all other rays to find a better suited one
forAll(dAve, receivingRayI)
{
if (receivingRayI == rayId)
{
// Do not compare this ray with itself
continue;
}
scalar dotProductOtherRay = dAve[receivingRayI] & dReflected;
if (dotProductThisRay < dotProductOtherRay)
{
// If another ray is closer, stop search
closest = false;
break;
}
}
if (closest)
{
// Could not find better suited ray, so this ray needs to
// pick it up. Add incoming ray to list for this face
receivedRayIDs[nReceiving] = incomingRayI;
nReceiving ++;
}
}
// Resize list of picked up rays for this face
receivedRayIDs.setSize(nReceiving);
}
// Sanity check on last ray
if (rayId == (dom.nRay() - 1))
{
forAll(nHat, faceI)
{
label incomingRays = 0;
label pickedUpRays = 0;
for (label rayI = 0; rayI < dom.nRay(); rayI++)
{
// Is this ray going into the wall?
if ((dAve[rayI] & nHat[faceI]) > 0)
{
incomingRays++;
}
// How many rays are picked up by this ray?
const wideBandSpecularRadiationMixedFvPatchScalarField& rayBC =
refCast
<
const wideBandSpecularRadiationMixedFvPatchScalarField
>
(
dom.IRayLambda
(
rayI,
lambdaId
).boundaryField()[patch().index()]
);
const labelListList& receivedRaysList = rayBC.receivedRayIDs();
pickedUpRays += receivedRaysList[faceI].size();
}
if (incomingRays != pickedUpRays)
{
FatalErrorIn
(
"wideBandSpecularRadiationMixedFvPatchScalarField"
"::calcreceivedRayIDs()"
) << "Sanity checked failed on patch " << patch().name()
<< " face " << faceI << nl
<< "number of rays with direction into wall: "
<< incomingRays
<< ", number of reflected rays picked up by outgoing rays: "
<< pickedUpRays << nl
<< abort(FatalError);
}
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
wideBandSpecularRadiationMixedFvPatchScalarField::
wideBandSpecularRadiationMixedFvPatchScalarField
(
const fvPatch& p,
const DimensionedField<scalar, volMesh>& iF
)
:
mixedFvPatchField<scalar>(p, iF),
receivedRayIDPtr_(NULL)
{
this->refValue() = 0;
this->refGrad() = 0;
this->valueFraction() = 0;
}
wideBandSpecularRadiationMixedFvPatchScalarField::
wideBandSpecularRadiationMixedFvPatchScalarField
(
const wideBandSpecularRadiationMixedFvPatchScalarField& ptf,
const fvPatch& p,
const DimensionedField<scalar, volMesh>& iF,
const fvPatchFieldMapper& mapper
)
:
mixedFvPatchField<scalar>(ptf, p, iF, mapper),
receivedRayIDPtr_(NULL)
{}
wideBandSpecularRadiationMixedFvPatchScalarField::
wideBandSpecularRadiationMixedFvPatchScalarField
(
const fvPatch& p,
const DimensionedField<scalar, volMesh>& iF,
const dictionary& dict
)
:
mixedFvPatchField<scalar>(p, iF),
receivedRayIDPtr_(NULL)
{
this->refValue() = 0;
this->refGrad() = 0;
this->valueFraction() = 0;
if (dict.found("patchType"))
{
word& pType = const_cast<word &>(this->patchType());
pType = word(dict.lookup("patchType"));
}
if (dict.found("value"))
{
fvPatchField<scalar>::operator=
(
scalarField("value", dict, p.size())
);
}
else
{
fvPatchScalarField::operator=(this->refValue());
}
}
wideBandSpecularRadiationMixedFvPatchScalarField::
wideBandSpecularRadiationMixedFvPatchScalarField
(
const wideBandSpecularRadiationMixedFvPatchScalarField& ptf,
const DimensionedField<scalar, volMesh>& iF
)
:
mixedFvPatchField<scalar>(ptf, iF),
receivedRayIDPtr_(NULL)
{}
wideBandSpecularRadiationMixedFvPatchScalarField::
wideBandSpecularRadiationMixedFvPatchScalarField
(
const wideBandSpecularRadiationMixedFvPatchScalarField& ptf
)
:
mixedFvPatchField<scalar>(ptf),
receivedRayIDPtr_(NULL)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
const Foam::labelListList&
wideBandSpecularRadiationMixedFvPatchScalarField::receivedRayIDs() const
{
if (!receivedRayIDPtr_)
{
calcReceivedRayIDs();
}
return *receivedRayIDPtr_;
}
// Evaluate the field on the patch
void wideBandSpecularRadiationMixedFvPatchScalarField::updateCoeffs()
{
if (this->updated())
{
return;
}
vectorField nHat = this->patch().nf();
// Get access to radiation model, and recast as fvDOM
const radiationModel& radiation =
this->db().lookupObject<radiationModel>("radiationProperties");
const fvDOM& dom(refCast<const fvDOM>(radiation));
// Get rayId and lambda Id for this ray
label rayId = -1;
label lambdaId = -1;
dom.setRayIdLambdaId(dimensionedInternalField().name(), rayId, lambdaId);
const labelListList& receivedRayIDs = this->receivedRayIDs();
scalarField IValue(this->size(), 0);
labelList faceCellIDs = this->patch().faceCells();
// Loop over all faces and add values from all received rays
forAll(receivedRayIDs, faceI)
{
if (receivedRayIDs[faceI].size() == 0)
{
// Ray goes into face -> act as zeroGradient
this->valueFraction()[faceI] = 0;
}
else
{
// Ray goes out of face -> act as fixedValue
this->valueFraction()[faceI] = 1;
// Pick up all reflected rays
forAll(receivedRayIDs[faceI], receivedRayI)
{
// Get ray from object registry
IValue[faceI] +=
dom.IRayLambda
(
receivedRayIDs[faceI][receivedRayI],
lambdaId
).internalField()[faceCellIDs[faceI]];
}
}
}
// Set value for patch
this->refValue() = IValue;
scalarField::operator=
(
this->valueFraction()*this->refValue()
+
(1.0 - this->valueFraction())*
(
this->patchInternalField()
+ this->refGrad()/this->patch().deltaCoeffs()
)
);
mixedFvPatchField<scalar>::updateCoeffs();
}
void wideBandSpecularRadiationMixedFvPatchScalarField::write(Ostream& os) const
{
fvPatchScalarField::write(os);
this->writeEntry("value", os);
}
// * * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * //
void wideBandSpecularRadiationMixedFvPatchScalarField::operator=
(
const fvPatchScalarField& ptf
)
{
fvPatchScalarField::operator=
(
this->valueFraction()*this->refValue()
+ (1 - this->valueFraction())*ptf
);
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
makePatchTypeField
(
fvPatchScalarField,
wideBandSpecularRadiationMixedFvPatchScalarField
);
} // End namespace radiation
} // End namespace Foam
// ************************************************************************* //

162
src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandSpecularRadiation/wideBandSpecularRadiationMixedFvPatchScalarField.H Normal file
View file

@ -0,0 +1,162 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration |
\\ / A nd | For copyright notice see file Copyright
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend 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.
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::wideBandSpecularRadiationMixedFvPatchScalarField
Description
Foam::wideBandSpecularRadiationMixedFvPatchScalarField
SourceFiles
wideBandSpecularRadiationMixedFvPatchScalarField.C
Author
Dominik Christ, Wikki Ltd. All rights reserved.
\*---------------------------------------------------------------------------*/
#ifndef wideBandSpecularRadiationMixedFvPatchScalarField_H
#define wideBandSpecularRadiationMixedFvPatchScalarField_H
#include "mixedFvPatchField.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace radiation
{
/*---------------------------------------------------------------------------*\
Class wideBandSpecularRadiationMixedFvPatchScalarField Declaration
\*---------------------------------------------------------------------------*/
class wideBandSpecularRadiationMixedFvPatchScalarField
:
public mixedFvPatchField<scalar>
{
//- For each face, ray index of ray in direction of reflection
mutable labelListList *receivedRayIDPtr_;
//- Calculate IDs of rays in direction of reflection
void calcReceivedRayIDs() const;
public:
//- Runtime type information
TypeName("wideBandSpecularRadiation");
// Constructors
//- Construct from patch and internal field
wideBandSpecularRadiationMixedFvPatchScalarField
(
const fvPatch&,
const DimensionedField<scalar, volMesh>&
);
//- Construct from patch, internal field and dictionary
wideBandSpecularRadiationMixedFvPatchScalarField
(
const fvPatch&,
const DimensionedField<scalar, volMesh>&,
const dictionary&
);
//- Construct by mapping given wideBandSpecularRadiationMixedFvPatchScalarField onto a new patch
wideBandSpecularRadiationMixedFvPatchScalarField
(
const wideBandSpecularRadiationMixedFvPatchScalarField&,
const fvPatch&,
const DimensionedField<scalar, volMesh>&,
const fvPatchFieldMapper&
);
//- Construct as copy
wideBandSpecularRadiationMixedFvPatchScalarField
(
const wideBandSpecularRadiationMixedFvPatchScalarField&
);
//- Construct and return a clone
virtual tmp<fvPatchField<scalar> > clone() const
{
return tmp<fvPatchField<scalar> >
(
new wideBandSpecularRadiationMixedFvPatchScalarField(*this)
);
}
//- Construct as copy setting internal field reference
wideBandSpecularRadiationMixedFvPatchScalarField
(
const wideBandSpecularRadiationMixedFvPatchScalarField&,
const DimensionedField<scalar, volMesh>&
);
//- Construct and return a clone setting internal field reference
virtual tmp<fvPatchField<scalar> > clone
(
const DimensionedField<scalar, volMesh>& iF
) const
{
return tmp<fvPatchField<scalar> >
(
new wideBandSpecularRadiationMixedFvPatchScalarField(*this, iF)
);
}
// Member functions
// Access
//- Return ray IDs of reflected rays
const labelListList& receivedRayIDs() const;
//- Update the coefficients associated with the patch field
virtual void updateCoeffs();
//- Write
virtual void write(Ostream&) const;
// Member operators
virtual void operator=(const fvPatchScalarField& pvf);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace radiation
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //

40
src/thermophysicalModels/radiation/radiationModel/fvDOM/blackBodyEmission/blackBodyEmission.C
View file

@ -202,7 +202,7 @@ Foam::radiation::blackBodyEmission::EbDeltaLambdaT
const Vector2D<scalar>& band
) const
{
tmp<volScalarField> Eb
tmp<volScalarField> tEb
(
new volScalarField
(
@ -217,28 +217,32 @@ Foam::radiation::blackBodyEmission::EbDeltaLambdaT
radiation::sigmaSB*pow4(T)
)
);
volScalarField& Eb = tEb();
if (band == Vector2D<scalar>::one)
if (magSqr(band - Vector2D<scalar>::one) > SMALL) // Multiple bands?
{
return Eb;
}
else
{
forAll(T, i)
forAll(Eb.internalField(), cellI)
{
scalar T1 = fLambdaT(band[1]*T[i]);
scalar T2 = fLambdaT(band[0]*T[i]);
dimensionedScalar fLambdaDelta
(
"fLambdaDelta",
dimless,
T1 - T2
);
Eb()[i] = Eb()[i]*fLambdaDelta.value();
scalar percentileUpper = fLambdaT(band[1]*T.internalField()[cellI]);
scalar percentileLower = fLambdaT(band[0]*T.internalField()[cellI]);
Eb.internalField()[cellI] *= (percentileUpper - percentileLower);
}
forAll(Eb.boundaryField(), patchI)
{
forAll(Eb.boundaryField()[patchI], faceI)
{
scalar percentileUpper =
fLambdaT(band[1]*T.boundaryField()[patchI][faceI]);
scalar percentileLower =
fLambdaT(band[0]*T.boundaryField()[patchI][faceI]);
Eb.boundaryField()[patchI][faceI] *=
(percentileUpper - percentileLower);
}
}
return Eb;
}
return tEb;
}

355
src/thermophysicalModels/radiation/radiationModel/fvDOM/fvDOM/fvDOM.C
View file

@ -25,10 +25,12 @@ License
#include "fvDOM.H"
#include "addToRunTimeSelectionTable.H"
#include "fvm.H"
#include "mathematicalConstants.H"
#include "radiationConstants.H"
using namespace Foam::mathematicalConstant;
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
@ -57,66 +59,27 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
IOobject
(
"G",
mesh_.time().timeName(),
mesh().time().timeName(),
T.db(),
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
mesh_,
mesh(),
dimensionedScalar("G", dimMass/pow3(dimTime), 0.0)
),
Qr_
(
IOobject
(
"Qr",
mesh_.time().timeName(),
T.db(),
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
mesh_,
dimensionedScalar("Qr", dimMass/pow3(dimTime), 0.0)
),
a_
(
IOobject
(
"a",
mesh_.time().timeName(),
mesh().time().timeName(),
T.db(),
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
mesh_,
mesh(),
dimensionedScalar("a", dimless/dimLength, 0.0)
),
e_
(
IOobject
(
"e",
mesh_.time().timeName(),
T.db(),
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh_,
dimensionedScalar("a", dimless/dimLength, 0.0)
),
E_
(
IOobject
(
"E",
mesh_.time().timeName(),
T.db(),
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh_,
dimensionedScalar("E", dimMass/dimLength/pow3(dimTime), 0.0)
),
nTheta_(readLabel(coeffs_.lookup("nTheta"))),
nPhi_(readLabel(coeffs_.lookup("nPhi"))),
nRay_(0),
@ -124,15 +87,20 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
aLambda_(nLambda_),
blackBody_(nLambda_, T),
IRay_(0),
Qem_(nLambda_),
Qin_(nLambda_),
convergence_(coeffs_.lookupOrDefault<scalar>("convergence", 0.0)),
maxIter_(coeffs_.lookupOrDefault<label>("maxIter", 50))
maxIter_(coeffs_.lookupOrDefault<label>("maxIter", 50)),
fvRayDiv_(nLambda_),
cacheDiv_(coeffs_.lookupOrDefault<bool>("cacheDiv", false)),
omegaMax_(0)
{
if (mesh_.nSolutionD() == 3) //3D
if (mesh().nSolutionD() == 3) //3D
{
nRay_ = 4*nPhi_*nTheta_;
IRay_.setSize(nRay_);
scalar deltaPhi = mathematicalConstant::pi/(2.0*nPhi_);
scalar deltaTheta = mathematicalConstant::pi/nTheta_;
scalar deltaPhi = pi/(2.0*nPhi_);
scalar deltaTheta = pi/nTheta_;
label i = 0;
for (label n = 1; n <= nTheta_; n++)
{
@ -146,14 +114,15 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
new radiativeIntensityRay
(
*this,
mesh_,
mesh(),
phii,
thetai,
deltaPhi,
deltaTheta,
nLambda_,
absorptionEmission_,
blackBody_
blackBody_,
i
)
);
i++;
@ -162,13 +131,13 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
}
else
{
if (mesh_.nSolutionD() == 2) //2D (X & Y)
if (mesh().nSolutionD() == 2) //2D (X & Y)
{
scalar thetai = mathematicalConstant::piByTwo;
scalar deltaTheta = mathematicalConstant::pi;
scalar thetai = piByTwo;
scalar deltaTheta = pi;
nRay_ = 4*nPhi_;
IRay_.setSize(nRay_);
scalar deltaPhi = mathematicalConstant::pi/(2.0*nPhi_);
scalar deltaPhi = pi/(2.0*nPhi_);
label i = 0;
for (label m = 1; m <= 4*nPhi_; m++)
{
@ -179,14 +148,15 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
new radiativeIntensityRay
(
*this,
mesh_,
mesh(),
phii,
thetai,
deltaPhi,
deltaTheta,
nLambda_,
absorptionEmission_,
blackBody_
blackBody_,
i
)
);
i++;
@ -194,11 +164,11 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
}
else //1D (X)
{
scalar thetai = mathematicalConstant::piByTwo;
scalar deltaTheta = mathematicalConstant::pi;
scalar thetai = piByTwo;
scalar deltaTheta = pi;
nRay_ = 2;
IRay_.setSize(nRay_);
scalar deltaPhi = mathematicalConstant::pi;
scalar deltaPhi = pi;
label i = 0;
for (label m = 1; m <= 2; m++)
{
@ -209,19 +179,19 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
new radiativeIntensityRay
(
*this,
mesh_,
mesh(),
phii,
thetai,
deltaPhi,
deltaTheta,
nLambda_,
absorptionEmission_,
blackBody_
blackBody_,
i
)
);
i++;
}
}
}
@ -237,7 +207,7 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
IOobject
(
"aLambda_" + Foam::name(lambdaI) ,
mesh_.time().timeName(),
mesh().time().timeName(),
T.db(),
IOobject::NO_READ,
IOobject::NO_WRITE
@ -245,6 +215,30 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
a_
)
);
Qin_.set
(
lambdaI,
volScalarField::GeometricBoundaryField
(
mesh().boundary(),
mesh().V(), // Dummy internal field,
calculatedFvPatchScalarField::typeName
)
);
Qin_[lambdaI] = 0;
Qem_.set
(
lambdaI,
volScalarField::GeometricBoundaryField
(
mesh().boundary(),
mesh().V(), // Dummy internal field,
calculatedFvPatchScalarField::typeName
)
);
Qem_[lambdaI] = 0;
}
Info<< "fvDOM : Allocated " << IRay_.size()
@ -254,6 +248,43 @@ Foam::radiation::fvDOM::fvDOM(const volScalarField& T)
Info<< '\t' << IRay_[i].I().name()
<< '\t' << IRay_[i].dAve() << nl;
}
if (cacheDiv_)
{
Info<< "Caching div fvMatrix..."<< endl;
for (label lambdaI = 0; lambdaI < nLambda_; lambdaI++)
{
fvRayDiv_[lambdaI].setSize(nRay_);
forAll(IRay_, rayId)
{
const surfaceScalarField Ji(IRay_[rayId].dAve() & mesh().Sf());
volScalarField& iRayLambdaI =
IRay_[rayId].ILambda(lambdaI);
fvRayDiv_[lambdaI].set
(
rayId,
new fvScalarMatrix
(
fvm::div(Ji, iRayLambdaI, "div(Ji,Ii_h)")
)
);
}
}
}
forAll(IRay_, rayId)
{
if (omegaMax_ < IRay_[rayId].omega())
{
omegaMax_ = IRay_[rayId].omega();
}
Info<< '\t' << IRay_[rayId].I().name() << " : " << "omega : "
<< '\t' << IRay_[rayId].omega() << nl;
}
Info<< endl;
}
@ -266,12 +297,108 @@ Foam::radiation::fvDOM::~fvDOM()
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
Foam::tmp<Foam::volScalarField::GeometricBoundaryField>
Foam::radiation::fvDOM::Qin() const
{
tmp<volScalarField::GeometricBoundaryField> tQin
(
new volScalarField::GeometricBoundaryField
(
mesh().boundary(),
mesh().V(), // Dummy internal field,
calculatedFvPatchScalarField::typeName
)
);
volScalarField::GeometricBoundaryField& sumQin = tQin();
sumQin = 0;
forAll(Qin_, lambdaI)
{
sumQin += Qin(lambdaI);
}
return tQin;
}
Foam::tmp<Foam::volScalarField::GeometricBoundaryField>
Foam::radiation::fvDOM::Qem() const
{
tmp<volScalarField::GeometricBoundaryField> tsumQem
(
new volScalarField::GeometricBoundaryField
(
mesh().boundary(),
mesh().V(), // Dummy internal field,
calculatedFvPatchScalarField::typeName
)
);
volScalarField::GeometricBoundaryField& sumQem = tsumQem();
sumQem = 0;
forAll(Qem_, lambdaI)
{
sumQem += Qem(lambdaI);
}
return tsumQem;
}
Foam::tmp<Foam::volScalarField::GeometricBoundaryField>
Foam::radiation::fvDOM::Qr() const
{
tmp<volScalarField::GeometricBoundaryField> tQr
(
new volScalarField::GeometricBoundaryField
(
mesh().boundary(),
mesh().V(), // Dummy internal field,
calculatedFvPatchScalarField::typeName
)
);
volScalarField::GeometricBoundaryField& Qr = tQr();
Qr = 0;
forAll(Qem_, lambdaI)
{
Qr += Qin(lambdaI);
Qr -= Qem(lambdaI);
}
return tQr;
}
Foam::tmp<Foam::volScalarField::GeometricBoundaryField>
Foam::radiation::fvDOM::Qr(scalar lambdaI) const
{
tmp<volScalarField::GeometricBoundaryField> tQr
(
new volScalarField::GeometricBoundaryField
(
mesh().boundary(),
mesh().V(), // Dummy internal field,
calculatedFvPatchScalarField::typeName
)
);
volScalarField::GeometricBoundaryField& Qr = tQr();
Qr = 0;
Qr += Qin(lambdaI);
Qr -= Qem(lambdaI);
return tQr;
}
bool Foam::radiation::fvDOM::read()
{
if (radiationModel::read())
{
// Only reading solution parameters - not changing ray geometry
// Only reading solution parameters - not changing ray geometry
coeffs_.readIfPresent("convergence", convergence_);
coeffs_.readIfPresent("maxIter", maxIter_);
@ -290,19 +417,96 @@ void Foam::radiation::fvDOM::calculate()
updateBlackBodyEmission();
scalar maxResidual = 0.0;
scalar maxResidual = 0;
label radIter = 0;
do
{
radIter++;
Info << "Radiation solver iter: " << radIter << endl;
Info << "Updating Radiation BCs..." << flush;
forAll(IRay_, rayI)
{
maxResidual = 0.0;
scalar maxBandResidual = IRay_[rayI].correct();
maxResidual = max(maxBandResidual, maxResidual);
IRay_[rayI].updateBCs();
}
Info << "done." << endl;
// For debug purposes, recalculate Qin and Qem to see if balances match
if (debug)
{
// Update radiation balances
forAll(aLambda_, lambdaI)
{
Qem_[lambdaI] = 0;
Qin_[lambdaI] = 0;
forAll(Qem_[lambdaI], patchI)
{
// Loop over all rays
forAll(IRay_, rayI)
{
const fvPatchScalarField& curPatch =
IRay_[rayI].ILambda
(
lambdaI
).boundaryField()[patchI];
scalarField incomingAngle =
curPatch.patch().nf() & IRay_[rayI].dAve();
Qin_[lambdaI][patchI] +=
pos(incomingAngle)*curPatch*incomingAngle;
Qem_[lambdaI][patchI] +=
neg(incomingAngle)*curPatch*(-incomingAngle);
}
Info << "Patch " << Qem_[lambdaI][patchI].patch().name()
<< " band " << lambdaI
<< ": Radiation incoming "
<< sum(Qin_[lambdaI][patchI])
<< " outgoing "
<< sum(Qem_[lambdaI][patchI])
<< endl;
}
}
}
Info << "Radiation solver iter: " << radIter << endl;
// Solve ray transport equations
forAll(IRay_, rayI)
{
maxResidual = 0;
scalar maxRayResidual = IRay_[rayI].correct();
maxResidual = max(maxRayResidual, maxResidual);
}
// Update radiation balances
forAll(aLambda_, lambdaI)
{
Qem_[lambdaI] = 0;
Qin_[lambdaI] = 0;
forAll(Qem_[lambdaI], patchI)
{
// Loop over all rays
forAll(IRay_, rayI)
{
const fvPatchScalarField& curPatch =
IRay_[rayI].ILambda(lambdaI).boundaryField()[patchI];
scalarField incomingAngle =
curPatch.patch().nf() & IRay_[rayI].dAve();
Qin_[lambdaI][patchI] +=
pos(incomingAngle)*curPatch*incomingAngle;
Qem_[lambdaI][patchI] +=
neg(incomingAngle)*curPatch*(-incomingAngle);
}
}
}
radIter++;
Info << "Max residual: " << maxResidual << endl;
} while(maxResidual > convergence_ && radIter < maxIter_);
@ -319,8 +523,8 @@ Foam::tmp<Foam::volScalarField> Foam::radiation::fvDOM::Rp() const
IOobject
(
"Rp",
mesh_.time().timeName(),
mesh_,
mesh().time().timeName(),
mesh(),
IOobject::NO_READ,
IOobject::NO_WRITE,
false
@ -340,7 +544,7 @@ Foam::radiation::fvDOM::Ru() const
const DimensionedField<scalar, volMesh> E =
absorptionEmission_->ECont()().dimensionedInternalField();
const DimensionedField<scalar, volMesh> a =
a_.dimensionedInternalField(); //absorptionEmission_->aCont()()
a_.dimensionedInternalField();
return a*G - E;
}
@ -358,14 +562,11 @@ void Foam::radiation::fvDOM::updateBlackBodyEmission()
void Foam::radiation::fvDOM::updateG()
{
G_ = dimensionedScalar("zero",dimMass/pow3(dimTime), 0.0);
Qr_ = dimensionedScalar("zero",dimMass/pow3(dimTime), 0.0);
forAll(IRay_, rayI)
{
IRay_[rayI].addIntensity();
G_ += IRay_[rayI].I()*IRay_[rayI].omega();
//Qr_ += IRay_[rayI].Qr();
Qr_.boundaryField() += IRay_[rayI].Qr().boundaryField();
}
}

99
src/thermophysicalModels/radiation/radiationModel/fvDOM/fvDOM/fvDOM.H
View file

@ -80,18 +80,9 @@ class fvDOM
//- Incident radiation [W/m2]
volScalarField G_;
//- Total radiative heat flux [W/m2]
volScalarField Qr_;
//- Total absorption coefficient [1/m]
volScalarField a_;
//- Total emission coefficient [1/m]
volScalarField e_;
//- Emission contribution [Kg/m/s^3]
volScalarField E_;
//- Number of solid angles in theta
label nTheta_;
@ -113,12 +104,27 @@ class fvDOM
//- List of pointers to radiative intensity rays
PtrList<radiativeIntensityRay> IRay_;
//- Emmited radiative heat flux [W/m2], per band
PtrList<volScalarField::GeometricBoundaryField> Qem_;
//- Incidet radiative heat flux [W/m2], per band
PtrList<volScalarField::GeometricBoundaryField> Qin_;
//- Convergence criterion
scalar convergence_;
//- Maximum number of iterations
scalar maxIter_;
//- List of cached fvMatrices for rays
List<PtrList<fvScalarMatrix> >fvRayDiv_;
//- Cache convection div matrix
bool cacheDiv_;
//- Maximum omega weight
scalar omegaMax_;
// Private member functions
@ -150,31 +156,41 @@ public:
// Member functions
// Edit
//- Total incident radiative heat flux field
tmp<volScalarField::GeometricBoundaryField> Qin() const;
//- Solve radiation equation(s)
void calculate();
//- Total emitted radiative heat flux field
tmp<volScalarField::GeometricBoundaryField> Qem() const;
//- Read radiation properties dictionary
bool read();
//- Total radiative heat flux as difference of Qem and Qin
tmp<volScalarField::GeometricBoundaryField> Qr() const;
//- Update G and calculate total heat flux on boundary
void updateG();
//- Band-wise radiative heat flux as difference of Qem and Qin
tmp<volScalarField::GeometricBoundaryField> Qr(scalar lambda) const;
//- Set the rayId and lambdaId from by decomposing an intensity
// field name
void setRayIdLambdaId
(
const word& name,
label& rayId,
label& lambdaId
) const;
//- Solve radiation equation(s)
void calculate();
//- Source term component (for power of T^4)
virtual tmp<volScalarField> Rp() const;
//- Read radiation properties dictionary
bool read();
//- Source term component (constant)
virtual tmp<DimensionedField<scalar, volMesh> > Ru() const;
//- Update G and calculate total heat flux on boundary
void updateG();
//- Set the rayId and lambdaId from by decomposing an intensity
// field name
void setRayIdLambdaId
(
const word& name,
label& rayId,
label& lambdaId
) const;
//- Source term component (for power of T^4)
virtual tmp<volScalarField> Rp() const;
//- Source term component (constant)
virtual tmp<DimensionedField<scalar, volMesh> > Ru() const;
// Access
@ -210,11 +226,33 @@ public:
//- Const access to incident radiation field
inline const volScalarField& G() const;
//- Const access to total radiative heat flux field
inline const volScalarField& Qr() const;
//- Const access to band wise emitted radiative heat flux field
inline const volScalarField::GeometricBoundaryField& Qem
(
scalar lambda
) const;
//- Const access to band wise incident radiative heat flux field
inline const volScalarField::GeometricBoundaryField& Qin
(
scalar lambda
) const;
//- Const access to black body
inline const blackBodyEmission& blackBody() const;
//- Const access to cached fvMatrix
inline const fvScalarMatrix& fvRayDiv
(
const label lambdaI,
const label rayId
) const;
//- Caching div(Ji, Ilamda)
inline bool cacheDiv() const;
//- Return omegaMax
inline scalar omegaMax() const;
};
@ -222,6 +260,7 @@ public:
#include "fvDOMI.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace radiation

49
src/thermophysicalModels/radiation/radiationModel/fvDOM/fvDOM/fvDOMI.H
View file

@ -29,7 +29,6 @@ Foam::radiation::fvDOM::IRay(const label rayI) const
return IRay_[rayI];
}
inline const Foam::volScalarField&
Foam::radiation::fvDOM::IRayLambda
(
@ -86,12 +85,34 @@ inline const Foam::volScalarField& Foam::radiation::fvDOM::G() const
}
inline const Foam::volScalarField& Foam::radiation::fvDOM::Qr() const
inline const Foam::volScalarField::GeometricBoundaryField&
Foam::radiation::fvDOM::Qin(scalar lambdaI) const
{
return Qr_;
return Qin_[lambdaI];
}
/*
inline Foam::volScalarField::GeometricBoundaryField&
Foam::radiation::fvDOM::Qin(scalar lambdaI)
{
return Qin_[lambdaI];
}
*/
inline const Foam::volScalarField::GeometricBoundaryField&
Foam::radiation::fvDOM::Qem(scalar lambdaI) const
{
return Qem_[lambdaI];
}
/*
inline Foam::volScalarField::GeometricBoundaryField&
Foam::radiation::fvDOM::Qem(scalar lambdaI)
{
return Qem_[lambdaI];
}
*/
inline const Foam::radiation::blackBodyEmission&
Foam::radiation::fvDOM::blackBody() const
{
@ -99,4 +120,26 @@ Foam::radiation::fvDOM::blackBody() const
}
inline const Foam::fvScalarMatrix& Foam::radiation::fvDOM::fvRayDiv
(
const label rayId,
const label lambdaI
) const
{
return fvRayDiv_[lambdaI][rayId];
}
inline bool Foam::radiation::fvDOM::cacheDiv() const
{
return cacheDiv_;
}
inline Foam::scalar Foam::radiation::fvDOM::omegaMax() const
{
return omegaMax_;
}
// ************************************************************************* //

60
src/thermophysicalModels/radiation/radiationModel/fvDOM/radiativeIntensityRay/radiativeIntensityRay.C
View file

@ -26,6 +26,9 @@ License
#include "radiativeIntensityRay.H"
#include "fvm.H"
#include "fvDOM.H"
#include "mathematicalConstants.H"
using namespace Foam::mathematicalConstant;
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
@ -47,7 +50,8 @@ Foam::radiation::radiativeIntensityRay::radiativeIntensityRay
const scalar deltaTheta,
const label nLambda,
const absorptionEmissionModel& absorptionEmission,
const blackBodyEmission& blackBody
const blackBodyEmission& blackBody,
const label rayId
)
:
dom_(dom),
@ -67,26 +71,14 @@ Foam::radiation::radiativeIntensityRay::radiativeIntensityRay
mesh_,
dimensionedScalar("I", dimMass/pow3(dimTime), 0.0)
),
Qr_
(
IOobject
(
"Qr" + name(rayId),
mesh_.time().timeName(),
mesh_,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh_,
dimensionedScalar("Qr", dimMass/pow3(dimTime), 0.0)
),
d_(vector::zero),
dAve_(vector::zero),
theta_(theta),
phi_(phi),
omega_(0.0),
nLambda_(nLambda),
ILambda_(nLambda)
ILambda_(nLambda),
myRayId_(rayId)
{
scalar sinTheta = Foam::sin(theta);
scalar cosTheta = Foam::cos(theta);
@ -108,6 +100,7 @@ Foam::radiation::radiativeIntensityRay::radiativeIntensityRay
0.5*deltaPhi*Foam::sin(2.0*theta)*Foam::sin(deltaTheta)
);
// dAve_ /= mag(dAve_);
autoPtr<volScalarField> IDefaultPtr;
@ -164,7 +157,6 @@ Foam::radiation::radiativeIntensityRay::radiativeIntensityRay
);
}
}
rayId++;
}
@ -178,25 +170,33 @@ Foam::radiation::radiativeIntensityRay::~radiativeIntensityRay()
Foam::scalar Foam::radiation::radiativeIntensityRay::correct()
{
// reset boundary heat flux to zero
//Qr_ = dimensionedScalar("zero", dimMass/pow3(dimTime), 0.0);
Qr_.boundaryField() = 0.0;
scalar maxResidual = -GREAT;
forAll(ILambda_, lambdaI)
{
const volScalarField& k = dom_.aLambda(lambdaI);
surfaceScalarField Ji = dAve_ & mesh_.Sf();
tmp<fvScalarMatrix> divJiILambda;
// Retrieve advection term from cache or create from scratch
if (!dom_.cacheDiv())
{
const surfaceScalarField Ji(dAve_ & mesh_.Sf());
divJiILambda = fvm::div(Ji, ILambda_[lambdaI], "div(Ji,Ii_h)");
}
else
{
divJiILambda = dom_.fvRayDiv(myRayId_, lambdaI);
}
fvScalarMatrix IiEq
(
fvm::div(Ji, ILambda_[lambdaI], "div(Ji,Ii_h)")
divJiILambda()
+ fvm::Sp(k*omega_, ILambda_[lambdaI])
==
1.0/Foam::mathematicalConstant::pi*omega_
*(
==
1.0/pi*omega_
* (
k*blackBody_.bLambda(lambdaI)
+ absorptionEmission_.ECont(lambdaI)/4
)
@ -209,7 +209,6 @@ Foam::scalar Foam::radiation::radiativeIntensityRay::correct()
IiEq,
mesh_.solutionDict().solver("Ii")
).initialResidual();
maxResidual = max(eqnResidual, maxResidual);
}
@ -217,6 +216,15 @@ Foam::scalar Foam::radiation::radiativeIntensityRay::correct()
}
void Foam::radiation::radiativeIntensityRay::updateBCs()
{
forAll(ILambda_, lambdaI)
{
ILambda_[lambdaI].boundaryField().updateCoeffs();
}
}
void Foam::radiation::radiativeIntensityRay::addIntensity()
{
I_ = dimensionedScalar("zero", dimMass/pow3(dimTime), 0.0);

22
src/thermophysicalModels/radiation/radiationModel/fvDOM/radiativeIntensityRay/radiativeIntensityRay.H
View file

@ -38,6 +38,7 @@ SourceFiles
#include "absorptionEmissionModel.H"
#include "blackBodyEmission.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
@ -78,9 +79,6 @@ private:
//- Total radiative intensity / [W/m2]
volScalarField I_;
//- Total radiative heat flux on boundary
volScalarField Qr_;
//- Direction
vector d_;
@ -105,6 +103,9 @@ private:
//- Global ray id - incremented in constructor
static label rayId;
//- My ray Id
label myRayId_;
// Private member functions
@ -130,7 +131,8 @@ public:
const scalar deltaTheta,
const label lambda,
const absorptionEmissionModel& absEmmModel_,
const blackBodyEmission& blackBody
const blackBodyEmission& blackBody,
const label rayId
);
@ -155,6 +157,9 @@ public:
const scalar lambda
);
//- Add radiative intensities from all the bands
void updateBCs();
//- Add radiative intensities from all the bands
void addIntensity();
@ -164,12 +169,6 @@ public:
//- Return intensity
inline const volScalarField& I() const;
//- Return const access to the boundary heat flux
inline const volScalarField& Qr() const;
//- Return non-const access to the boundary heat flux
inline volScalarField& Qr();
//- Return direction
inline const vector& d() const;
@ -188,6 +187,9 @@ public:
//- Return the solid angle
inline scalar omega() const;
//- Return the radiative intensity for a given wavelength
inline volScalarField& ILambda(const label lambdaI);
//- Return the radiative intensity for a given wavelength
inline const volScalarField& ILambda(const label lambdaI) const;
};

23
src/thermophysicalModels/radiation/radiationModel/fvDOM/radiativeIntensityRay/radiativeIntensityRayI.H
View file

@ -29,18 +29,6 @@ inline const Foam::volScalarField& Foam::radiation::radiativeIntensityRay::I() c
}
inline const Foam::volScalarField& Foam::radiation::radiativeIntensityRay::Qr() const
{
return Qr_;
}
inline Foam::volScalarField& Foam::radiation::radiativeIntensityRay::Qr()
{
return Qr_;
}
inline const Foam::vector& Foam::radiation::radiativeIntensityRay::d() const
{
return d_;
@ -76,8 +64,17 @@ inline Foam::scalar Foam::radiation::radiativeIntensityRay::omega() const
return omega_;
}
inline Foam::volScalarField&
Foam::radiation::radiativeIntensityRay::ILambda
(
const label lambdaI
)
{
return ILambda_[lambdaI];
}
inline const Foam::volScalarField& Foam::radiation::radiativeIntensityRay::ILambda
inline const Foam::volScalarField&
Foam::radiation::radiativeIntensityRay::ILambda
(
const label lambdaI
) const

6
src/thermophysicalModels/radiation/radiationModel/radiationModel/radiationModel.H
View file

@ -168,6 +168,12 @@ public:
// Access
//- Const access to mesh
const fvMesh& mesh() const
{
return mesh_;
};
//- Source term component (for power of T^4)
virtual tmp<volScalarField> Rp() const = 0;

56
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/G Normal file
View file

@ -0,0 +1,56 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object G;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 0 -3 0 0 0 0];
internalField uniform 0;
boundaryField
{
floor
{
type MarshakRadiation;
T T;
emissivity 1;
value uniform 0;
}
fixedWalls
{
type MarshakRadiation;
T T;
emissivity 1;
value uniform 0;
}
ceiling
{
type MarshakRadiation;
T T;
emissivity 1;
value uniform 0;
}
box
{
type MarshakRadiation;
T T;
emissivity 1;
value uniform 0;
}
}
// ************************************************************************* //

39
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/IDefault Normal file
View file

@ -0,0 +1,39 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object IDefault;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 0 -3 0 0 0 0];
internalField uniform 0;
boundaryField
{
".*"
{
type greyDiffusiveRadiation;
T T;
emissivity 0.5;
value uniform 0;
}
"ceiling"
{
type wideBandSpecularRadiation;
T T;
emissivity 0.5;
value uniform 0;
}
}
// ************************************************************************* //

47
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/T Normal file
View file

@ -0,0 +1,47 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object T;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 1 0 0 0];
internalField uniform 300;
boundaryField
{
floor
{
type fixedValue;
value uniform 300.0;
}
ceiling
{
type fixedValue;
value uniform 300.0;
}
fixedWalls
{
type zeroGradient;
}
box
{
type fixedValue;
value uniform 500.0;
}
}
// ************************************************************************* //

48
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/U Normal file
View file

@ -0,0 +1,48 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volVectorField;
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 1 -1 0 0 0 0];
internalField uniform (0 0 0);
boundaryField
{
floor
{
type fixedValue;
value uniform (0 0 0);
}
ceiling
{
type fixedValue;
value uniform (0 0 0);
}
fixedWalls
{
type fixedValue;
value uniform (0 0 0);
}
box
{
type fixedValue;
value uniform (0 0 0);
}
}
// ************************************************************************* //

50
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/alphat Normal file
View file

@ -0,0 +1,50 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format binary;
class volScalarField;
location "0";
object alphat;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
box
{
type alphatWallFunction;
Prt 0.85;
value uniform 0;
}
floor
{
type alphatWallFunction;
Prt 0.85;
value uniform 0;
}
ceiling
{
type alphatWallFunction;
Prt 0.85;
value uniform 0;
}
fixedWalls
{
type alphatWallFunction;
Prt 0.85;
value uniform 0;
}
}
// ************************************************************************* //

58
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/epsilon Normal file
View file

@ -0,0 +1,58 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format binary;
class volScalarField;
location "0";
object epsilon;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 2 -3 0 0 0 0];
internalField uniform 0.01;
boundaryField
{
box
{
type compressible::epsilonWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0.01;
}
floor
{
type compressible::epsilonWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0.01;
}
ceiling
{
type compressible::epsilonWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0.01;
}
fixedWalls
{
type compressible::epsilonWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0.01;
}
}
// ************************************************************************* //

46
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/k Normal file
View file

@ -0,0 +1,46 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format binary;
class volScalarField;
location "0";
object k;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 2 -2 0 0 0 0];
internalField uniform 0.1;
boundaryField
{
box
{
type compressible::kqRWallFunction;
value uniform 0.1;
}
floor
{
type compressible::kqRWallFunction;
value uniform 0.1;
}
ceiling
{
type compressible::kqRWallFunction;
value uniform 0.1;
}
fixedWalls
{
type compressible::kqRWallFunction;
value uniform 0.1;
}
}
// ************************************************************************* //

58
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/mut Normal file
View file

@ -0,0 +1,58 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format binary;
class volScalarField;
location "0";
object mut;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
box
{
type mutWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0;
}
floor
{
type mutWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0;
}
ceiling
{
type mutWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0;
}
fixedWalls
{
type mutWallFunction;
Cmu 0.09;
kappa 0.41;
E 9.8;
value uniform 0;
}
}
// ************************************************************************* //

48
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/0/p Normal file
View file

@ -0,0 +1,48 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -2 0 0 0 0];
internalField uniform 100000;
boundaryField
{
floor
{
type buoyantPressure;
value uniform 100000;
}
ceiling
{
type buoyantPressure;
value uniform 100000;
}
fixedWalls
{
type buoyantPressure;
value uniform 100000;
}
box
{
type buoyantPressure;
value uniform 100000;
}
}
// ************************************************************************* //

24
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/constant/RASProperties Normal file
View file

@ -0,0 +1,24 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object RASProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
RASModel kEpsilon;
turbulence on;
printCoeffs on;
// ************************************************************************* //

21
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/constant/g Normal file
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@ -0,0 +1,21 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class uniformDimensionedVectorField;
location "constant";
object g;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 1 -2 0 0 0 0];
value ( 0 0 -9.81 );
// ************************************************************************* //

186
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/constant/polyMesh/blockMeshDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
convertToMeters 1;
vertices
(
( 0.0 0.0 0.0)
( 0.5 0.0 0.0)
( 1.5 0.0 0.0)
(10.0 0.0 0.0)
( 0.0 0.5 0.0)
( 0.5 0.5 0.0)
( 1.5 0.5 0.0)
(10.0 0.5 0.0)
( 0.0 1.5 0.0)
( 0.5 1.5 0.0)
( 1.5 1.5 0.0)
(10.0 1.5 0.0)
( 0.0 6.0 0.0)
( 0.5 6.0 0.0)
( 1.5 6.0 0.0)
(10.0 6.0 0.0)
( 0.0 0.0 0.5)
( 0.5 0.0 0.5)
( 1.5 0.0 0.5)
(10.0 0.0 0.5)
( 0.0 0.5 0.5)
( 0.5 0.5 0.5)
( 1.5 0.5 0.5)
(10.0 0.5 0.5)
( 0.0 1.5 0.5)
( 0.5 1.5 0.5)
( 1.5 1.5 0.5)
(10.0 1.5 0.5)
( 0.0 6.0 0.5)
( 0.5 6.0 0.5)
( 1.5 6.0 0.5)
(10.0 6.0 0.5)
( 0.0 0.0 2.0)
( 0.5 0.0 2.0)
( 1.5 0.0 2.0)
(10.0 0.0 2.0)
( 0.0 0.5 2.0)
( 0.5 0.5 2.0)
( 1.5 0.5 2.0)
(10.0 0.5 2.0)
( 0.0 1.5 2.0)
( 0.5 1.5 2.0)
( 1.5 1.5 2.0)
(10.0 1.5 2.0)
( 0.0 6.0 2.0)
( 0.5 6.0 2.0)
( 1.5 6.0 2.0)
(10.0 6.0 2.0)
);
blocks
(
hex ( 0 1 5 4 16 17 21 20) ( 5 5 5) simpleGrading (1 1 1)
hex ( 1 2 6 5 17 18 22 21) (10 5 5) simpleGrading (1 1 1)
hex ( 2 3 7 6 18 19 23 22) (80 5 5) simpleGrading (1 1 1)
hex ( 4 5 9 8 20 21 25 24) ( 5 10 5) simpleGrading (1 1 1)
hex ( 6 7 11 10 22 23 27 26) (80 10 5) simpleGrading (1 1 1)
hex ( 8 9 13 12 24 25 29 28) ( 5 40 5) simpleGrading (1 1 1)
hex ( 9 10 14 13 25 26 30 29) (10 40 5) simpleGrading (1 1 1)
hex (10 11 15 14 26 27 31 30) (80 40 5) simpleGrading (1 1 1)
hex (16 17 21 20 32 33 37 36) ( 5 5 15) simpleGrading (1 1 1)
hex (17 18 22 21 33 34 38 37) (10 5 15) simpleGrading (1 1 1)
hex (18 19 23 22 34 35 39 38) (80 5 15) simpleGrading (1 1 1)
hex (20 21 25 24 36 37 41 40) ( 5 10 15) simpleGrading (1 1 1)
hex (21 22 26 25 37 38 42 41) (10 10 15) simpleGrading (1 1 1)
hex (22 23 27 26 38 39 43 42) (80 10 15) simpleGrading (1 1 1)
hex (24 25 29 28 40 41 45 44) ( 5 40 15) simpleGrading (1 1 1)
hex (25 26 30 29 41 42 46 45) (10 40 15) simpleGrading (1 1 1)
hex (26 27 31 30 42 43 47 46) (80 40 15) simpleGrading (1 1 1)
);
edges
(
);
boundary
(
box
{
type wall;
faces
(
( 6 22 21 5)
(10 26 22 6)
( 9 25 26 10)
( 5 21 25 9)
(22 26 25 21)
);
}
floor
{
type wall;
faces
(
( 1 5 4 0)
( 2 6 5 1)
( 3 7 6 2)
( 5 9 8 4)
( 7 11 10 6)
( 9 13 12 8)
(10 14 13 9)
(11 15 14 10)
);
}
ceiling
{
type wall;
faces
(
(33 37 36 32)
(34 38 37 33)
(35 39 38 34)
(37 41 40 36)
(38 42 41 37)
(39 43 42 38)
(41 45 44 40)
(42 46 45 41)
(43 47 46 42)
);
}
fixedWalls
{
type wall;
faces
(
( 1 17 16 0)
( 2 18 17 1)
( 3 19 18 2)
(17 33 32 16)
(18 34 33 17)
(19 35 34 18)
( 7 23 19 3)
(11 27 23 7)
(15 31 27 11)
(23 39 35 19)
(27 43 39 23)
(31 47 43 27)
(14 30 31 15)
(13 29 30 14)
(12 28 29 13)
(30 46 47 31)
(29 45 46 30)
(28 44 45 29)
( 8 24 28 12)
( 4 20 24 8)
( 0 16 20 4)
(24 40 44 28)
(20 36 40 24)
(16 32 36 20)
);
}
);
mergePatchPairs
(
);
// ************************************************************************* //

58
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/constant/radiationProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object radiationProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
radiation on;
radiationModel fvDOM;
noRadiation
{
}
P1Coeffs
{
}
fvDOMCoeffs
{
nPhi 4; // azimuthal angles in PI/2 on X-Y.(from Y to X)
nTheta 4; // polar angles in PI (from Z to X-Y plane)
convergence 1e-3; // convergence criteria for radiation iteration
maxIter 10; // maximum number of iterations
}
// Number of flow iterations per radiation iteration
solverFreq 10;
absorptionEmissionModel constantAbsorptionEmission;
constantAbsorptionEmissionCoeffs
{
a a [ 0 -1 0 0 0 0 0 ] 0.01;
e e [ 0 -1 0 0 0 0 0 ] 0;
E E [ 1 -1 -3 0 0 0 0 ] 0;
}
scatterModel constantScatter;
constantScatterCoeffs
{
sigma sigma [ 0 -1 0 0 0 0 0 ] 0;
C C [ 0 0 0 0 0 0 0 ] 0;
}
// ************************************************************************* //

24
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/constant/thermophysicalProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object thermophysicalProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
thermoType hPsiThermo<pureMixture<constTransport<specieThermo<hConstThermo<perfectGas>>>>>;
mixture air 1 28.9 1000 0 1.8e-05 0.7;
pRef 100000;
// ************************************************************************* //

48
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/system/controlDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
application buoyantSimpleRadiationFoam;
startFrom latestTime;
startTime 0;
stopAt endTime;
endTime 1000;
deltaT 1;
writeControl timeStep;
writeInterval 100;
purgeWrite 0;
writeFormat binary;
writePrecision 6;
writeCompression uncompressed;
timeFormat general;
timePrecision 6;
runTimeModifiable yes;
// ************************************************************************* //

69
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/system/fvSchemes Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSchemes;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
ddtSchemes
{
default steadyState;
}
gradSchemes
{
default Gauss linear;
}
divSchemes
{
default none;
div(phi,U) Gauss upwind;
div(phi,h) Gauss upwind;
div(phi,k) Gauss upwind;
div(phi,epsilon) Gauss upwind;
div(phi,R) Gauss upwind;
div(R) Gauss linear;
div(Ji,Ii_h) Gauss linearUpwind Gauss linear; //Gauss upwind;
div((muEff*dev2(grad(U).T()))) Gauss linear;
}
laplacianSchemes
{
default none;
laplacian(muEff,U) Gauss linear corrected;
laplacian((rho*(1|A(U))),p) Gauss linear corrected;
laplacian(alphaEff,h) Gauss linear corrected;
laplacian(DkEff,k) Gauss linear corrected;
laplacian(DepsilonEff,epsilon) Gauss linear corrected;
laplacian(DREff,R) Gauss linear corrected;
laplacian(gammaRad,G) Gauss linear corrected;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default corrected;
}
fluxRequired
{
default no;
p;
}
// ************************************************************************* //

91
tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOMSpecularCeiling/system/fvSolution Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | foam-extend: Open Source CFD |
| \\ / O peration | Version: 3.1 |
| \\ / A nd | Web: http://www.extend-project.de |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
{
p
{
solver GAMG;
tolerance 1e-06;
relTol 0.01;
smoother GaussSeidel;
cacheAgglomeration true;
nCellsInCoarsestLevel 10;
agglomerator faceAreaPair;
mergeLevels 1;
}
U
{
solver PBiCG;
preconditioner DILU;
tolerance 1e-05;
relTol 0.1;
}
h
{
solver PBiCG;
preconditioner DILU;
tolerance 1e-05;
relTol 0.1;
}
k
{
solver PBiCG;
preconditioner DILU;
tolerance 1e-05;
relTol 0.001;
}
epsilon
{
solver PBiCG;
preconditioner DILU;
tolerance 1e-05;
relTol 0.1;
}
Ii
{
solver BiCGStab;
preconditioner DILU;
tolerance 1e-05;
relTol 0;
}
}
SIMPLE
{
nNonOrthogonalCorrectors 0;
pRefCell 0;
pRefValue 0;
}
relaxationFactors
{
rho 1.0;
p 0.3;
U 0.7;
h 0.7;
k 0.7;
epsilon 0.7;
"ILambda.*" 1;
}
// ************************************************************************* //