eb8e221f15
This function has been changed to volume average, making it appropriate to use on layered meshes in which the cells have non-uniform geometry within their layers. A 'weightFields' (or 'weightField') control has also been added, so that mass or phase weighted averages can be performed within the layers.
100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Copyright (C) 2011-2023 OpenFOAM Foundation
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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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "layerAverage.H"
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#include "fvMesh.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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template<class T>
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T Foam::functionObjects::layerAverage::symmetricCoeff() const
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{
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return pTraits<T>::one;
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}
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template<class T>
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Foam::tmp<Foam::Field<T>> Foam::functionObjects::layerAverage::sum
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(
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const VolInternalField<T>& cellField
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) const
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{
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tmp<Field<T>> tlayerField(new Field<T>(nLayers_, Zero));
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Field<T>& layerField = tlayerField.ref();
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forAll(cellLayer_, celli)
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{
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if (cellLayer_[celli] != -1)
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{
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layerField[cellLayer_[celli]] += cellField[celli];
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}
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}
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Pstream::listCombineGather(layerField, plusEqOp<T>());
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Pstream::listCombineScatter(layerField);
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return tlayerField;
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}
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template<class T>
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Foam::tmp<Foam::Field<T>> Foam::functionObjects::layerAverage::average
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(
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const tmp<VolInternalField<scalar>>& cellWeight,
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const tmp<Field<scalar>>& layerWeight,
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const VolInternalField<T>& cellField
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) const
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{
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tmp<Field<T>> tlayerField
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(
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cellWeight.valid()
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? sum<T>(mesh_.V()*cellWeight*cellField)/layerWeight
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: sum<T>(mesh_.V()*cellField)/layerVolume_
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);
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// Handle symmetry
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if (symmetric_)
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{
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Field<T>& layerField = tlayerField.ref();
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const T coeff = symmetricCoeff<T>();
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for (label i=0; i<nLayers_/2; i++)
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{
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const label j = nLayers_ - i - 1;
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layerField[i] =
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(layerField[i] + cmptMultiply(coeff, layerField[j]))/2;
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}
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layerField.setSize(nLayers_/2);
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}
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return tlayerField;
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}
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// ************************************************************************* //
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