No slip moving wall boundary condition
This commit is contained in:
Vuko Vukcevic
parent
6e4acb64c0
commit
58a6946769
3 changed files with 355 additions and 0 deletions
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@ -186,6 +186,7 @@ $(derivedFvPatchFields)/uniformDensityHydrostaticPressure/uniformDensityHydrosta
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$(derivedFvPatchFields)/pulseFixedValue/pulseFixedValueFvPatchFields.C
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$(derivedFvPatchFields)/waveTransmissiveInlet/waveTransmissiveInletFvPatchFields.C
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$(derivedFvPatchFields)/noSlipWall/noSlipWallFvPatchVectorField.C
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$(derivedFvPatchFields)/noSlipMovingWall/noSlipMovingWallFvPatchVectorField.C
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fvsPatchFields = fields/fvsPatchFields
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$(fvsPatchFields)/fvsPatchField/fvsPatchFields.C
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@ -0,0 +1,204 @@
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/*---------------------------------------------------------------------------*\
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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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\*---------------------------------------------------------------------------*/
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#include "noSlipMovingWallFvPatchVectorField.H"
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#include "addToRunTimeSelectionTable.H"
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#include "volFields.H"
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#include "surfaceFields.H"
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#include "fvcMeshPhi.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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noSlipMovingWallFvPatchVectorField::noSlipMovingWallFvPatchVectorField
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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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{}
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noSlipMovingWallFvPatchVectorField::noSlipMovingWallFvPatchVectorField
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(
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const noSlipMovingWallFvPatchVectorField& 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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{}
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noSlipMovingWallFvPatchVectorField::noSlipMovingWallFvPatchVectorField
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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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{
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fvPatchVectorField::operator=(vectorField("value", dict, p.size()));
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}
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noSlipMovingWallFvPatchVectorField::noSlipMovingWallFvPatchVectorField
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(
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const noSlipMovingWallFvPatchVectorField& pivpvf
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)
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:
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fixedValueFvPatchVectorField(pivpvf)
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{}
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noSlipMovingWallFvPatchVectorField::noSlipMovingWallFvPatchVectorField
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(
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const noSlipMovingWallFvPatchVectorField& pivpvf,
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const DimensionedField<vector, volMesh>& iF
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)
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:
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fixedValueFvPatchVectorField(pivpvf, iF)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void noSlipMovingWallFvPatchVectorField::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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const fvMesh& mesh = dimensionedInternalField().mesh();
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if (mesh.changing())
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{
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const fvPatch& p = patch();
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const polyPatch& pp = p.patch();
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const pointField& oldPoints = mesh.oldPoints();
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vectorField oldFc(pp.size());
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forAll(oldFc, i)
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{
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oldFc[i] = pp[i].centre(oldPoints);
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}
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// Get wall-parallel mesh motion velocity from geometry
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vectorField Up =
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(pp.faceCentres() - oldFc)/mesh.time().deltaT().value();
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const volVectorField& U =
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mesh.lookupObject<volVectorField>
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(
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dimensionedInternalField().name()
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);
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scalarField phip =
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p.patchField<surfaceScalarField, scalar>(fvc::meshPhi(U));
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vectorField n = p.nf();
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const scalarField& magSf = p.magSf();
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scalarField Un = phip/(magSf + VSMALL);
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// Adjust for surface-normal mesh motion flux
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vectorField::operator=(Up + n*(Un - (n & Up)));
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}
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fixedValueFvPatchVectorField::updateCoeffs();
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}
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tmp<vectorField>
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noSlipMovingWallFvPatchVectorField::gradientInternalCoeffs() const
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{
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const vectorField nPatch = this->patch().nf();
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// Calculate the diagonal part of the transformation tensor
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vectorField implicitCoeffs(nPatch.size(), vector::zero);
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contractLinear(implicitCoeffs, I - nPatch*nPatch);
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return -this->patch().deltaCoeffs()*implicitCoeffs;
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}
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tmp<vectorField>
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noSlipMovingWallFvPatchVectorField::gradientBoundaryCoeffs() const
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{
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// Get necessary field
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const vectorField& UPatch = *this;
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const vectorField nPatch = this->patch().nf();
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const tensorField T = I - nPatch*nPatch;
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const vectorField UPatchInternal = this->patchInternalField();
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// Calculate the explicit contribution in the loop for performance
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vectorField explicitCoeffs(nPatch.size(), vector::zero);
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forAll(explicitCoeffs, faceI)
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{
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const tensor& curT = T[faceI];
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tensor curDiagT(tensor::zero);
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expandLinear(curDiagT, contractLinear(curT));
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explicitCoeffs[faceI] =
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(curT & UPatch[faceI])
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- (
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(curT - curDiagT)
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& UPatchInternal[faceI]
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);
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}
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return this->patch().deltaCoeffs()*explicitCoeffs;
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}
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void noSlipMovingWallFvPatchVectorField::write(Ostream& os) const
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{
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fvPatchVectorField::write(os);
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writeEntry("value", os);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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makePatchTypeField
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(
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fvPatchVectorField,
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noSlipMovingWallFvPatchVectorField
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);
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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@ -0,0 +1,150 @@
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/*---------------------------------------------------------------------------*\
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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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Class
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Foam::noSlipMovingWallFvPatchVectorField
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Description
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Foam::noSlipMovingWallFvPatchVectorField
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SourceFiles
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noSlipMovingWallFvPatchVectorField.C
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\*---------------------------------------------------------------------------*/
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#ifndef noSlipMovingWallFvPatchVectorField_H
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#define noSlipMovingWallFvPatchVectorField_H
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#include "fvPatchFields.H"
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#include "fixedValueFvPatchFields.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class noSlipMovingWallFvPatch Declaration
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\*---------------------------------------------------------------------------*/
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class noSlipMovingWallFvPatchVectorField
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:
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public fixedValueFvPatchVectorField
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{
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public:
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//- Runtime type information
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TypeName("noSlipMovingWall");
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// Constructors
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//- Construct from patch and internal field
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noSlipMovingWallFvPatchVectorField
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(
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const fvPatch&,
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const DimensionedField<vector, volMesh>&
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);
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//- Construct from patch, internal field and dictionary
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noSlipMovingWallFvPatchVectorField
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(
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const fvPatch&,
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const DimensionedField<vector, volMesh>&,
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const dictionary&
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);
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//- Construct by mapping given noSlipMovingWallFvPatchVectorField
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// onto a new patch
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noSlipMovingWallFvPatchVectorField
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(
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const noSlipMovingWallFvPatchVectorField&,
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const fvPatch&,
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const DimensionedField<vector, volMesh>&,
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const fvPatchFieldMapper&
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);
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//- Construct as copy
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noSlipMovingWallFvPatchVectorField
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(
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const noSlipMovingWallFvPatchVectorField&
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);
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//- Construct and return a clone
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virtual tmp<fvPatchVectorField> clone() const
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{
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return tmp<fvPatchVectorField>
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(
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new noSlipMovingWallFvPatchVectorField(*this)
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);
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}
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//- Construct as copy setting internal field reference
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noSlipMovingWallFvPatchVectorField
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(
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const noSlipMovingWallFvPatchVectorField&,
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const DimensionedField<vector, volMesh>&
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);
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//- Construct and return a clone setting internal field reference
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virtual tmp<fvPatchVectorField> clone
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(
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const DimensionedField<vector, volMesh>& iF
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) const
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{
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return tmp<fvPatchVectorField>
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(
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new noSlipMovingWallFvPatchVectorField(*this, iF)
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);
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}
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// Member functions
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//- Update the coefficients associated with the patch field
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virtual void updateCoeffs();
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//- Return the matrix diagonal coefficients corresponding to the
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// evaluation of the gradient of this patchField
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virtual tmp<vectorField> gradientInternalCoeffs() const;
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//- Return the matrix source coefficients corresponding to the
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// evaluation of the gradient of this patchField
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virtual tmp<vectorField> gradientBoundaryCoeffs() const;
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//- Write
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virtual void write(Ostream&) const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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Reference in a new issue