365 lines
10 KiB
C
365 lines
10 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Author
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Henrik Rusche, Wikki GmbH. All rights reserved
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\*---------------------------------------------------------------------------*/
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#include "chtRcThermalDiffusivityFvPatchScalarField.H"
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#include "chtRcThermalDiffusivitySlaveFvPatchScalarField.H"
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#include "chtRcTemperatureFvPatchScalarField.H"
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#include "addToRunTimeSelectionTable.H"
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#include "fvPatchFieldMapper.H"
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#include "volFields.H"
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#include "harmonic.H"
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#include "radiationConstants.H"
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#include "VectorN.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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chtRcThermalDiffusivityFvPatchScalarField::chtRcThermalDiffusivityFvPatchScalarField
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(
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const fvPatch& p,
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const DimensionedField<scalar, volMesh>& iF
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)
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:
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chtRegionCoupleBase(p, iF)
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{}
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chtRcThermalDiffusivityFvPatchScalarField::chtRcThermalDiffusivityFvPatchScalarField
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(
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const fvPatch& p,
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const DimensionedField<scalar, volMesh>& iF,
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const dictionary& dict
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)
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:
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chtRegionCoupleBase(p, iF, dict)
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{}
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chtRcThermalDiffusivityFvPatchScalarField::chtRcThermalDiffusivityFvPatchScalarField
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(
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const chtRcThermalDiffusivityFvPatchScalarField& ptf,
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const fvPatch& p,
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const DimensionedField<scalar, volMesh>& iF,
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const fvPatchFieldMapper& mapper
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)
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:
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chtRegionCoupleBase(ptf, p, iF, mapper)
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{}
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chtRcThermalDiffusivityFvPatchScalarField::chtRcThermalDiffusivityFvPatchScalarField
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(
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const chtRcThermalDiffusivityFvPatchScalarField& ptf,
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const DimensionedField<scalar, volMesh>& iF
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)
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:
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chtRegionCoupleBase(ptf, iF)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void chtRcThermalDiffusivityFvPatchScalarField::evaluate
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(
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const Pstream::commsTypes
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)
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{
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fvPatchScalarField::evaluate();
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}
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void chtRcThermalDiffusivityFvPatchScalarField::updateCoeffs()
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{
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if (updated())
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{
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return;
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}
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calcThermalDiffusivity(*this, shadowPatchField());
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}
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void
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chtRcThermalDiffusivityFvPatchScalarField::calcThermalDiffusivity
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(
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chtRegionCoupleBase& owner,
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const chtRegionCoupleBase& neighbour
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) const
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{
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if(debug)
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{
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Info << "In chtRcThermalDiffusivityFvPatchScalarField::calcThermalDiffusivity on "
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<< this->dimensionedInternalField().name()
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<< " in " << this->patch().boundaryMesh().mesh().name()
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<< endl;
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}
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const fvPatch& p = owner.patch();
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const fvMesh& mesh = p.boundaryMesh().mesh();
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const magLongDelta& mld = magLongDelta::New(mesh);
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const chtRcTemperatureFvPatchScalarField& TwOwn =
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dynamic_cast<const chtRcTemperatureFvPatchScalarField&>
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(
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p.lookupPatchField<volScalarField, scalar>("T")
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);
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scalarField& k = owner;
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const scalarField& fOwn = owner.originalPatchField();
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const scalarField TcOwn = TwOwn.patchInternalField();
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scalarField fNei(p.size());
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scalarField TcNei(p.size());
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scalarField Qr(p.size(), 0.0);
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scalarField fourQro(p.size(), 0.0);
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if (TwOwn.radiation())
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{
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Qr += p.lookupPatchField<volScalarField, scalar>("Qr");
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fourQro += 4.0*radiation::sigmaSB.value()*pow4(TwOwn);
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}
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{
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Field<VectorN<scalar, 4> > lData(neighbour.size());
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const scalarField& lfNei = neighbour.originalPatchField();
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scalarField lTcNei = TwOwn.shadowPatchField().patchInternalField();
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forAll(lData, facei)
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{
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lData[facei][0] = lTcNei[facei];
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lData[facei][1] = lfNei[facei];
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}
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if(TwOwn.shadowPatchField().radiation())
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{
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const scalarField& lQrNei =
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owner.lookupShadowPatchField<volScalarField, scalar>("Qr");
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const scalarField& lTwNei = TwOwn.shadowPatchField();
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forAll(lData, facei)
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{
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lData[facei][2] = lTwNei[facei];
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lData[facei][3] = lQrNei[facei];
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}
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}
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const Field<VectorN<scalar, 4> > iData =
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owner.regionCouplePatch().interpolate(lData);
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forAll(iData, facei)
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{
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TcNei[facei] = iData[facei][0];
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fNei[facei] = iData[facei][1];
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}
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if(TwOwn.shadowPatchField().radiation())
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{
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forAll(iData, facei)
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{
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Qr[facei] += iData[facei][3];
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fourQro[facei] +=
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4.0*radiation::sigmaSB.value()*pow4(iData[facei][2]);
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}
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}
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}
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// Do interpolation
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harmonic<scalar> interp(mesh);
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const scalarField weights = interp.weights(fOwn, fNei, p);
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const scalarField kHarm = weights*fOwn + (1.0 - weights)*fNei;
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const scalarField kOwn = fOwn/(1.0 - p.weights())/mld.magDelta(p.index());
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const scalarField kNei = fNei/p.weights()/mld.magDelta(p.index());
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//Info << "kOwn = " << kOwn << endl;
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//Info << "kNei = " << kNei << endl;
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//Info << "TcOwn = " << TcOwn << endl;
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//Info << "TcNei = " << TcNei << endl;
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//Info << "DeltaT = " << TcNei - TcOwn << endl;
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//Info << "Qr = " << Qr << endl;
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//Info << "kOwn + kNei = " << (kOwn + kNei) << endl;
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//Info << "k = " << k << endl;
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k = kOwn*(TwOwn*(kNei*(TcNei - TcOwn) + Qr + fourQro) - TcOwn*fourQro);
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k /= stabilise((fourQro + TwOwn*(kOwn + kNei))*(TcNei - TcOwn), SMALL);
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k /= p.deltaCoeffs();
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//Info << "k = " << k << endl;
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forAll(k, facei)
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{
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k[facei] = max(min(k[facei], 100*kHarm[facei]), 0.01*kHarm[facei]);
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}
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//Info << "k = " << k << endl;
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owner.fvPatchScalarField::updateCoeffs();
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}
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void
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chtRcThermalDiffusivityFvPatchScalarField::calcTemperature
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(
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chtRcTemperatureFvPatchScalarField& TwOwn,
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const chtRcTemperatureFvPatchScalarField& neighbour,
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const chtRegionCoupleBase& ownerK
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) const
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{
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if(debug)
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{
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Info << "In chtRcThermalDiffusivityFvPatchScalarField::calcTemperature on "
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<< this->dimensionedInternalField().name()
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<< " in " << this->patch().boundaryMesh().mesh().name()
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<< endl;
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}
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const fvPatch& p = TwOwn.patch();
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const fvMesh& mesh = p.boundaryMesh().mesh();
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const magLongDelta& mld = magLongDelta::New(mesh);
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const scalarField& fOwn = ownerK.originalPatchField();
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const scalarField TcOwn = TwOwn.patchInternalField();
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scalarField fNei(p.size());
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scalarField TcNei(p.size());
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scalarField Qr(p.size(), 0.0);
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scalarField fourQro(p.size(), 0.0);
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if (TwOwn.radiation())
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{
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Qr += p.lookupPatchField<volScalarField, scalar>("Qr");
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fourQro += 4.0*radiation::sigmaSB.value()*pow4(TwOwn);
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}
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{
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Field<VectorN<scalar, 4> > lData(neighbour.size());
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const scalarField& lfNei =
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ownerK.shadowPatchField().originalPatchField();
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scalarField lTcNei =
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TwOwn.shadowPatchField().patchInternalField();
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forAll(lData, facei)
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{
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lData[facei][0] = lTcNei[facei];
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lData[facei][1] = lfNei[facei];
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}
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if(TwOwn.shadowPatchField().radiation())
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{
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const scalarField& lTwNei = TwOwn.shadowPatchField();
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const scalarField& lQrNei =
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TwOwn.lookupShadowPatchField<volScalarField, scalar>("Qr");
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forAll(lData, facei)
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{
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lData[facei][2] = lTwNei[facei];
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lData[facei][3] = lQrNei[facei];
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}
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}
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const Field<VectorN<scalar, 4> > iData =
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TwOwn.regionCouplePatch().interpolate(lData);
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forAll(iData, facei)
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{
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TcNei[facei] = iData[facei][0];
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fNei[facei] = iData[facei][1];
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}
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if(TwOwn.shadowPatchField().radiation())
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{
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forAll(iData, facei)
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{
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fourQro[facei] +=
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4.0*radiation::sigmaSB.value()*pow4(iData[facei][2]);
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Qr[facei] += iData[facei][3];
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}
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}
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}
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const scalarField kOwn = fOwn/(1.0 - p.weights())/mld.magDelta(p.index());
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const scalarField kNei = fNei/p.weights()/mld.magDelta(p.index());
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//Info << "kOwn = " << kOwn << endl;
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//Info << "kNei = " << kNei << endl;
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//Info << "TcOwn = " << TcOwn << endl;
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//Info << "TcNei = " << TcNei << endl;
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//Info << "Qr = " << Qr << " Sum = " << sum(Qr*p.magSf()) << endl;
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TwOwn *=
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(fourQro + Qr + kOwn*TcOwn + kNei*TcNei)
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/(TwOwn*(kOwn + kNei) + fourQro);
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//Info << "TwOwn = " << TwOwn << endl;
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//scalarField q1 = (TwOwn - TcOwn)*kOwn;
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//Info << "q1 = " << q1 << " Sum = " << sum(q1*p.magSf()) << endl;
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//scalarField q2 = (TcNei - TcOwn)*ownerK*p.deltaCoeffs();
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//Info << "q2 = " << q2 << " Sum = " << sum(q2*p.magSf()) << endl;
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TwOwn.fvPatchScalarField::updateCoeffs();
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}
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void chtRcThermalDiffusivityFvPatchScalarField::write(Ostream& os) const
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{
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fvPatchScalarField::write(os);
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os.writeKeyword("remoteField")
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<< remoteFieldName() << token::END_STATEMENT << nl;
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this->writeEntry("value", os);
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}
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//- Specify data associated with VectorN<scalar, 4> type is contiguous
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template<>
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inline bool contiguous<VectorN<scalar, 4> >() {return true;}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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makePatchTypeField
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(
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fvPatchScalarField,
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chtRcThermalDiffusivityFvPatchScalarField
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);
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} // End namespace Foam
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// ************************************************************************* //
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