volSurfaceMapping.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2016-2017 Wikki Ltd
    Copyright (C) 2020-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*----------------------------------------------------------------------------*/
 
#include "volSurfaceMapping.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
Foam::tmp<Foam::Field<Type>> Foam::volSurfaceMapping::mapToSurface
(
    const GeometricBoundaryField<Type, fvPatchField, volMesh>& df
) const
{
    // Grab labels for all faces in faMesh
    const labelList& faceLabels = mesh_.faceLabels();
 
    auto tresult = tmp<Field<Type>>::New(faceLabels.size(), Zero);
    auto& result = tresult.ref();
 
    // Get reference to volume mesh
    const polyMesh& pMesh = mesh_();
    const polyBoundaryMesh& bm = pMesh.boundaryMesh();
 
    label patchID, faceID;
 
    // Grab droplet cloud source by identifying patch and face
    forAll(faceLabels, i)
    {
        // Escape if face is beyond active faces, eg belongs to a face zone
        if (faceLabels[i] < pMesh.nFaces())
        {
            patchID = bm.whichPatch(faceLabels[i]);
            faceID = bm[patchID].whichFace(faceLabels[i]);
 
            result[i] = df[patchID][faceID];
        }
    }
 
    return tresult;
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>> Foam::volSurfaceMapping::mapToSurface
(
    const Field<Type>& f
) const
{
    const labelList& faceLabels = mesh_.faceLabels();
 
    auto tresult = tmp<Field<Type>>::New(faceLabels.size(), Zero);
    auto& result = tresult.ref();
 
    const polyMesh& pMesh = mesh_();
    const polyBoundaryMesh& bm = pMesh.boundaryMesh();
    label patchID, faceID;
 
    forAll(faceLabels, i)
    {
        if (faceLabels[i] < pMesh.nFaces())
        {
            patchID = bm.whichPatch(faceLabels[i]);
            faceID = bm[patchID].whichFace(faceLabels[i]);
 
            result[i] = f[faceID];
        }
    }
 
    return tresult;
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>> Foam::volSurfaceMapping::mapInternalToSurface
(
    const GeometricBoundaryField<Type, fvPatchField, volMesh>& df
) const
{
    // Grab labels for all faces in faMesh
    const labelList& faceLabels = mesh_.faceLabels();
 
    auto tresult = tmp<Field<Type>>::New(faceLabels.size(), Zero);
    auto& result = tresult.ref();
 
    // Get reference to volume mesh
    const polyMesh& pMesh = mesh_();
    const polyBoundaryMesh& bm = pMesh.boundaryMesh();
 
    label patchID, faceID;
 
    // Grab droplet cloud source by identifying patch and face
    forAll(faceLabels, i)
    {
        // Escape if face is beyond active faces, eg belongs to a face zone
        if (faceLabels[i] < pMesh.nFaces())
        {
            patchID = bm.whichPatch(faceLabels[i]);
            faceID = bm[patchID].whichFace(faceLabels[i]);
 
            result[i] = df[patchID].patchInternalField()()[faceID];
        }
    }
 
    return tresult;
}
 
 
template<class Type>
void Foam::volSurfaceMapping::mapToVolume
(
    const GeometricField<Type, faPatchField, areaMesh>& af,
    GeometricBoundaryField<Type, fvPatchField, volMesh>& bf
) const
{
    // Grab labels for all faces in faMesh
    const labelList& faceLabels = mesh_.faceLabels();
 
    // Get reference to volume mesh
    const polyMesh& pMesh = mesh_();
    const polyBoundaryMesh& bm = pMesh.boundaryMesh();
 
    label patchID, faceID;
 
    const Field<Type>& afi = af.internalField();
 
    forAll(faceLabels, i)
    {
        // Escape if face is beyond active faces, eg belongs to a face zone
        if (faceLabels[i] < pMesh.nFaces())
        {
            patchID = bm.whichPatch(faceLabels[i]);
            faceID = bm[patchID].whichFace(faceLabels[i]);
 
            bf[patchID][faceID] = afi[i];
        }
    }
}
 
 
template<class Type>
void Foam::volSurfaceMapping::mapToVolume
(
    const tmp<GeometricField<Type, faPatchField, areaMesh>>& taf,
    GeometricBoundaryField<Type, fvPatchField, volMesh>& bf
) const
{
    mapToVolume(taf(), bf);
 
    taf.clear();
}
 
 
template<class Type>
void Foam::volSurfaceMapping::mapToField
(
    const GeometricField<Type, faPatchField, areaMesh>& af,
    Field<Type>& f
) const
{
    const Field<Type>& afi = af.internalField();
 
    mapToField(afi, f);
}
 
 
template<class Type>
void Foam::volSurfaceMapping::mapToField
(
    const Field<Type>& af,
    Field<Type>& f
) const
{
    const labelList& faceLabels = mesh_.faceLabels();
 
    const polyMesh& pMesh = mesh_();
    const polyBoundaryMesh& bm = pMesh.boundaryMesh();
    label patchID, faceID;
 
    forAll(faceLabels, i)
    {
        if (faceLabels[i] < pMesh.nFaces())
        {
            patchID = bm.whichPatch(faceLabels[i]);
            faceID = bm[patchID].whichFace(faceLabels[i]);
            f[faceID] = af[i];
        }
    }
}
 
 
// ************************************************************************* //