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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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 "fvMeshSubset.H"
#include "surfaceFields.H"
#include "internalFvsPatchField.H"
#include "internalPointPatchField.H"
#include "internalFvPatchFields.H"
#include "forwardFieldMapper.H"
#include "flipOp.H"
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Type>
Foam::tmp<Foam::VolField<Type>>
Foam::fvMeshSubset::interpolate
(
const VolField<Type>& vf,
const fvMesh& sMesh,
const labelList& patchMap,
const labelList& cellMap,
const labelList& faceMap
)
{
// 1. Create the complete field with dummy patch fields
PtrField<fvPatchField<Type>> patchFields(patchMap.size());
forAll(patchFields, patchi)
{
// Set the first one by hand as it corresponds to the
// exposed internal faces. Additional interpolation can be put here
// as necessary.
if (patchMap[patchi] == -1)
{
patchFields.set
(
patchi,
new internalFvPatchField<Type>
(
sMesh.boundary()[patchi],
DimensionedField<Type, fvMesh>::null()
)
);
}
else
{
patchFields.set
(
patchi,
fvPatchField<Type>::New
(
calculatedFvPatchField<Type>::typeName,
sMesh.boundary()[patchi],
DimensionedField<Type, fvMesh>::null()
)
);
}
}
tmp<VolField<Type>> tresF
(
new VolField<Type>
(
IOobject
(
"subset"+vf.name(),
sMesh.time().name(),
sMesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
sMesh,
vf.dimensions(),
Field<Type>(vf.primitiveField(), cellMap),
patchFields
)
);
VolField<Type>& resF = tresF.ref();
// 2. Change the fvPatchFields to the correct type using a mapper
// constructor (with reference to the now correct internal field)
typename VolField<Type>::BoundaryField& bf = resF.boundaryFieldRef();
forAll(bf, patchi)
{
if (patchMap[patchi] != -1)
{
// Construct addressing
const fvPatch& subPatch = sMesh.boundary()[patchi];
const fvPatch& basePatch = vf.mesh().boundary()[patchMap[patchi]];
const label baseStart = basePatch.start();
const label baseSize = basePatch.size();
labelList directAddressing(subPatch.size());
forAll(directAddressing, i)
{
const label baseFacei = faceMap[subPatch.start() + i];
if (baseFacei >= baseStart && baseFacei < baseStart+baseSize)
{
directAddressing[i] = baseFacei-baseStart;
}
else
{
// Mapped from internal face. Do what? Leave up to
// fvPatchField
directAddressing[i] = -1;
}
}
bf.set
(
patchi,
fvPatchField<Type>::New
(
vf.boundaryField()[patchMap[patchi]],
subPatch,
resF(),
forwardFieldMapper(directAddressing)
)
);
}
}
return tresF;
}
template<class Type>
Foam::tmp<Foam::VolField<Type>>
Foam::fvMeshSubset::interpolate
(
const VolField<Type>& vf
) const
{
return interpolate
(
vf,
subMesh(),
patchMap(),
cellMap(),
faceMap()
);
}
template<class Type>
Foam::tmp<Foam::SurfaceField<Type>>
Foam::fvMeshSubset::interpolate
(
const SurfaceField<Type>& sf,
const fvMesh& sMesh,
const labelList& patchMap,
const labelList& cellMap,
const labelList& faceMap
)
{
const bool negateIfFlipped = isFlux(sf);
// 1. Create the complete field with dummy patch fields
PtrField<fvsPatchField<Type>> patchFields(patchMap.size());
forAll(patchFields, patchi)
{
// Set the first one by hand as it corresponds to the
// exposed internal faces. Additional interpolation can be put here
// as necessary.
if (patchMap[patchi] == -1)
{
patchFields.set
(
patchi,
new internalFvsPatchField<Type>
(
sMesh.boundary()[patchi],
DimensionedField<Type, surfaceMesh>::null()
)
);
}
else
{
patchFields.set
(
patchi,
fvsPatchField<Type>::New
(
calculatedFvsPatchField<Type>::typeName,
sMesh.boundary()[patchi],
DimensionedField<Type, surfaceMesh>::null()
)
);
}
}
// Create the complete field from the pieces
tmp<SurfaceField<Type>> tresF
(
new SurfaceField<Type>
(
IOobject
(
"subset"+sf.name(),
sMesh.time().name(),
sMesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
sMesh,
sf.dimensions(),
Field<Type>
(
sf.primitiveField(),
SubList<label>
(
faceMap,
sMesh.nInternalFaces()
)
),
patchFields
)
);
SurfaceField<Type>& resF = tresF.ref();
// 2. Change the fvsPatchFields to the correct type using a mapper
// constructor (with reference to the now correct internal field)
typename SurfaceField<Type>::BoundaryField& bf = resF.boundaryFieldRef();
forAll(bf, patchi)
{
const fvPatch& subPatch = sMesh.boundary()[patchi];
labelList directAddressing(subPatch.size(), -1);
if (patchMap[patchi] != -1)
{
// Construct addressing
const fvPatch& basePatch = sf.mesh().boundary()[patchMap[patchi]];
const label baseStart = basePatch.start();
const label baseSize = basePatch.size();
forAll(directAddressing, i)
{
const label baseFacei = faceMap[subPatch.start() + i];
if (baseFacei >= baseStart && baseFacei < baseStart+baseSize)
{
directAddressing[i] = baseFacei-baseStart;
}
}
bf.set
(
patchi,
fvsPatchField<Type>::New
(
sf.boundaryField()[patchMap[patchi]],
subPatch,
resF(),
forwardFieldMapper(directAddressing)
)
);
}
// Map internal face values onto the patch elected to hold
// the exposed faces
const polyMesh& mesh = sf.mesh()();
fvsPatchField<Type>& pfld = bf[patchi];
const labelUList& fc = bf[patchi].patch().faceCells();
const labelList& own = mesh.faceOwner();
forAll(pfld, i)
{
const label baseFacei = faceMap[subPatch.start() + i];
if (directAddressing[i] == -1)
{
if (mesh.isInternalFace(baseFacei))
{
const Type val = sf.internalField()[baseFacei];
if (cellMap[fc[i]] == own[baseFacei] || !negateIfFlipped)
{
pfld[i] = val;
}
else
{
pfld[i] = flipOp()(val);
}
}
else
{
const label basePatchi =
mesh.boundary().patchIndices()
[baseFacei - mesh.nInternalFaces()];
const label basePatchFacei =
mesh.boundary()[basePatchi]
.whichFace(baseFacei);
pfld[i] = sf.boundaryField()[basePatchi][basePatchFacei];
}
}
}
}
return tresF;
}
template<class Type>
Foam::tmp<Foam::SurfaceField<Type>>
Foam::fvMeshSubset::interpolate
(
const SurfaceField<Type>& sf
) const
{
return interpolate
(
sf,
subMesh(),
patchMap(),
cellMap(),
faceMap()
);
}
template<class Type>
Foam::tmp<Foam::PointField<Type>>
Foam::fvMeshSubset::interpolate
(
const PointField<Type>& pf,
const pointMesh& sMesh,
const labelList& patchMap,
const labelList& pointMap
)
{
// 1. Create the complete field with dummy patch fields
PtrField<pointPatchField<Type>> patchFields(patchMap.size());
forAll(patchFields, patchi)
{
// Set the first one by hand as it corresponds to the
// exposed internal faces. Additional interpolation can be put here
// as necessary.
if (patchMap[patchi] == -1)
{
patchFields.set
(
patchi,
new internalPointPatchField<Type>
(
sMesh.boundary()[patchi],
DimensionedField<Type, pointMesh>::null()
)
);
}
else
{
patchFields.set
(
patchi,
pointPatchField<Type>::New
(
calculatedPointPatchField<Type>::typeName,
sMesh.boundary()[patchi],
DimensionedField<Type, pointMesh>::null()
)
);
}
}
// Create the complete field from the pieces
tmp<PointField<Type>> tresF
(
new PointField<Type>
(
IOobject
(
"subset"+pf.name(),
sMesh.time().name(),
sMesh.db(),
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
sMesh,
pf.dimensions(),
Field<Type>(pf.primitiveField(), pointMap),
patchFields
)
);
PointField<Type>& resF = tresF.ref();
// 2. Change the pointPatchFields to the correct type using a mapper
// constructor (with reference to the now correct internal field)
typename PointField<Type>::BoundaryField& bf = resF.boundaryFieldRef();
forAll(bf, patchi)
{
// Set the first one by hand as it corresponds to the
// exposed internal faces. Additional interpolation can be put here
// as necessary.
if (patchMap[patchi] != -1)
{
// Construct addressing
const pointPatch& basePatch =
pf.mesh().boundary()[patchMap[patchi]];
const labelList& meshPoints = basePatch.meshPoints();
// Make addressing from mesh to patch point
Map<label> meshPointMap(2*meshPoints.size());
forAll(meshPoints, localI)
{
meshPointMap.insert(meshPoints[localI], localI);
}
// Find which subpatch points originate from which patch point
const pointPatch& subPatch = sMesh.boundary()[patchi];
const labelList& subMeshPoints = subPatch.meshPoints();
// If mapped from outside patch leave handling up to patchField
labelList directAddressing(subPatch.size(), -1);
forAll(subMeshPoints, localI)
{
// Get mesh point on original mesh.
label meshPointi = pointMap[subMeshPoints[localI]];
Map<label>::const_iterator iter = meshPointMap.find(meshPointi);
if (iter != meshPointMap.end())
{
directAddressing[localI] = iter();
}
}
bf.set
(
patchi,
pointPatchField<Type>::New
(
pf.boundaryField()[patchMap[patchi]],
subPatch,
resF(),
forwardFieldMapper(directAddressing)
)
);
}
}
return tresF;
}
template<class Type>
Foam::tmp<Foam::PointField<Type>>
Foam::fvMeshSubset::interpolate
(
const PointField<Type>& sf
) const
{
return interpolate
(
sf,
pointMesh::New(subMesh()), // subsetted point mesh
patchMap(),
pointMap()
);
}
template<class Type>
Foam::tmp<Foam::DimensionedField<Type, Foam::fvMesh>>
Foam::fvMeshSubset::interpolate
(
const DimensionedField<Type, fvMesh>& df,
const fvMesh& sMesh,
const labelList& cellMap
)
{
// Create the complete field from the pieces
tmp<DimensionedField<Type, fvMesh>> tresF
(
new DimensionedField<Type, fvMesh>
(
IOobject
(
"subset"+df.name(),
sMesh.time().name(),
sMesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
sMesh,
df.dimensions(),
Field<Type>(df, cellMap)
)
);
return tresF;
}
template<class Type>
Foam::tmp<Foam::DimensionedField<Type, Foam::fvMesh>>
Foam::fvMeshSubset::interpolate
(
const DimensionedField<Type, fvMesh>& df
) const
{
return interpolate(df, subMesh(), cellMap());
}
// ************************************************************************* //
|