157 lines
4.5 KiB
C++
157 lines
4.5 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.0
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Application
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writeIbMasks
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Description
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Calculate and write immersed boundary masks
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\*---------------------------------------------------------------------------*/
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#include "calc.H"
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#include "fvc.H"
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#include "fvMatrices.H"
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#include "immersedBoundaryFvPatch.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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void Foam::calc(const argList& args, const Time& runTime, const fvMesh& mesh)
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{
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Info<< nl << "Calculating gamma" << endl;
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volScalarField gamma
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(
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IOobject
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(
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"gamma",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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mesh,
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dimensionedScalar("one", dimless, 1)
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);
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gamma.internalField() = mesh.V()/mesh.cellVolumes();
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gamma.write();
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// Report minimal live cell volume
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scalar minLiveGamma = GREAT;
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label minLiveCell = -1;
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const scalarField& gammaIn = gamma.internalField();
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forAll (mesh.boundary(), patchI)
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{
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if (isA<immersedBoundaryFvPatch>(mesh.boundary()[patchI]))
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{
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const immersedBoundaryFvPatch& ibPatch =
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refCast<const immersedBoundaryFvPatch>
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(
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mesh.boundary()[patchI]
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);
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const labelList& ibCells = ibPatch.ibPolyPatch().ibCells();
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forAll (ibCells, dcI)
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{
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if (gammaIn[ibCells[dcI]] < minLiveGamma)
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{
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minLiveGamma = gammaIn[ibCells[dcI]];
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minLiveCell = ibCells[dcI];
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}
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}
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}
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}
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Info<< "Min live cell " << minLiveCell
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<< " gamma = " << minLiveGamma
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<< endl;
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Info<< nl << "Calculating sGamma" << endl;
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surfaceScalarField sGamma
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(
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IOobject
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(
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"sGamma",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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mesh,
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dimensionedScalar("one", dimless, 0)
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);
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const surfaceScalarField& magSf = mesh.magSf();
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const scalarField magFaceAreas = mag(mesh.faceAreas());
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sGamma.internalField() =
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magSf.internalField()/
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scalarField::subField(magFaceAreas, mesh.nInternalFaces());
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forAll (mesh.boundary(), patchI)
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{
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if (!isA<immersedBoundaryFvPatch>(mesh.boundary()[patchI]))
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{
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sGamma.boundaryField()[patchI] =
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magSf.boundaryField()[patchI]/
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mesh.boundary()[patchI].patchSlice(magFaceAreas);
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gamma.boundaryField()[patchI] =
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sGamma.boundaryField()[patchI];
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}
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}
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sGamma.write();
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// Check consistency of face area vectors
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Info<< nl << "Calculating divSf" << endl;
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volVectorField divSf
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(
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"divSf",
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fvc::div(mesh.Sf())
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);
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divSf.write();
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// Check divergence of face area vectors
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scalarField magDivSf = mag(divSf)().internalField();
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Info<< "Face areas divergence (min, max, average): "
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<< "(" << min(magDivSf) << " " << max(magDivSf)
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<< " " << average(magDivSf) << ")"
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<< endl;
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if (max(magDivSf) > 1e-9)
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{
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WarningIn("writeIbMasks")
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<< "Possible problem with immersed boundary face area vectors: "
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<< max(magDivSf)
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<< endl;
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}
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Info<< endl;
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}
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// ************************************************************************* //
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