214 lines
6.3 KiB
C
214 lines
6.3 KiB
C
/*---------------------------------------------------------------------------*\
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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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\*---------------------------------------------------------------------------*/
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#include "controlledParabolicVelocityFvPatchVectorField.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 "surfaceFields.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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controlledParabolicVelocityFvPatchVectorField::controlledParabolicVelocityFvPatchVectorField
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(
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF
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)
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:
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fixedValueFvPatchVectorField(p, iF),
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Umean_(0),
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n_(0, 1, 0),
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y_(1, 0, 0),
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target_(0),
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obsFieldName_("undef"),
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obsPatchName_("undef"),
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obsPatchID_(-1),
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gain_(0),
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curTimeIndex_(-1)
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{}
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controlledParabolicVelocityFvPatchVectorField::controlledParabolicVelocityFvPatchVectorField
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(
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const controlledParabolicVelocityFvPatchVectorField& ptf,
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF,
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const fvPatchFieldMapper& mapper
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)
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:
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fixedValueFvPatchVectorField(ptf, p, iF, mapper),
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Umean_(ptf.Umean_),
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n_(ptf.n_),
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y_(ptf.y_),
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target_(ptf.target_),
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obsFieldName_(ptf.obsFieldName_),
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obsPatchName_(ptf.obsPatchName_),
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obsPatchID_(ptf.obsPatchID_),
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gain_(ptf.gain_),
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curTimeIndex_(-1)
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{}
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controlledParabolicVelocityFvPatchVectorField::controlledParabolicVelocityFvPatchVectorField
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(
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF,
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const dictionary& dict
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)
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:
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fixedValueFvPatchVectorField(p, iF),
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Umean_(readScalar(dict.lookup("Umean"))),
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n_(dict.lookup("n")),
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y_(dict.lookup("y")),
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target_(readScalar(dict.lookup("target"))),
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obsFieldName_(dict.lookup("obsFieldName")),
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obsPatchName_(dict.lookup("obsPatchName")),
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obsPatchID_(patch().patch().boundaryMesh().findPatchID(obsPatchName_)),
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gain_(readScalar(dict.lookup("gain"))),
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curTimeIndex_(-1)
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{
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if (obsPatchID_ < 0)
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{
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FatalErrorIn
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(
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"controlledParabolicVelocityFvPatchVectorField"
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) << "patch " << dict.lookup("obsPatchName")
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<< "not found"
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<< nl << exit(FatalError);
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}
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n_ /= mag(n_);
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y_ /= mag(y_);
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fvPatchField<vector>::operator=
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(
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vectorField("value", dict, p.size())
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);
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}
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controlledParabolicVelocityFvPatchVectorField::controlledParabolicVelocityFvPatchVectorField
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(
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const controlledParabolicVelocityFvPatchVectorField& fcvpvf,
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const DimensionedField<vector, volMesh>& iF
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)
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:
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fixedValueFvPatchVectorField(fcvpvf, iF),
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Umean_(fcvpvf.Umean_),
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n_(fcvpvf.n_),
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y_(fcvpvf.y_),
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target_(fcvpvf.target_),
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obsFieldName_(fcvpvf.obsFieldName_),
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obsPatchName_(fcvpvf.obsPatchName_),
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obsPatchID_(fcvpvf.obsPatchID_),
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gain_(fcvpvf.gain_),
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curTimeIndex_(-1)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void controlledParabolicVelocityFvPatchVectorField::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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if (curTimeIndex_ != this->db().time().timeIndex())
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{
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const volScalarField& field =
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db().lookupObject<volScalarField>(obsFieldName_);
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scalar obsPatchAverage = gAverage(field.boundaryField()[obsPatchID_]);
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Info<< "Average of " << obsFieldName_
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<< " on patch " << patch().name()
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<< " = " << obsPatchAverage
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<< " Difference to target = "
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<< obsPatchAverage - target_
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<< " Umean = " << Umean_
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<< endl;
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Umean_ += gain_*(obsPatchAverage - target_);
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// Get range and orientation
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boundBox bb(patch().patch().localPoints(), true);
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vector ctr = 0.5*(bb.max() + bb.min());
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const vectorField& c = patch().Cf();
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// Calculate local 1-D coordinate for the parabolic profile
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scalarField coord =
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0.5 - ((c - ctr) & y_)/((bb.max() - bb.min()) & y_);
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operator==(n_*3/2*Umean_*(1.0 - sqr(coord)));
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curTimeIndex_ = this->db().time().timeIndex();
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}
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fixedValueFvPatchVectorField::updateCoeffs();
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}
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// Write
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void controlledParabolicVelocityFvPatchVectorField::write(Ostream& os) const
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{
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fvPatchVectorField::write(os);
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os.writeKeyword("Umean")
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<< Umean_ << token::END_STATEMENT << nl;
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os.writeKeyword("n")
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<< n_ << token::END_STATEMENT << nl;
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os.writeKeyword("y")
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<< y_ << token::END_STATEMENT << nl;
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os.writeKeyword("target")
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<< target_ << token::END_STATEMENT << nl;
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os.writeKeyword("obsPatchName")
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<< obsPatchName_ << token::END_STATEMENT << nl;
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os.writeKeyword("obsFieldName")
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<< obsFieldName_ << token::END_STATEMENT << nl;
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os.writeKeyword("gain")
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<< gain_ << token::END_STATEMENT << nl;
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writeEntry("value", os);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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makePatchTypeField(fvPatchVectorField, controlledParabolicVelocityFvPatchVectorField);
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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