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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 "sampledPatch.H"
#include "surfaceFields.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace sampledSurfaces
{
defineTypeNameAndDebug(patch, 0);
addToRunTimeSelectionTable(sampledSurface, patch, word);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::sampledSurfaces::patch::patch
(
const word& name,
const polyMesh& mesh,
const wordReList& patchNames,
const bool triangulate
)
:
sampledSurface(name, mesh),
patchNames_(patchNames),
triangulate_(triangulate),
needsUpdate_(true)
{}
Foam::sampledSurfaces::patch::patch
(
const word& name,
const polyMesh& mesh,
const dictionary& dict
)
:
sampledSurface(name, mesh, dict),
patchNames_(dict.lookup("patches")),
triangulate_(dict.lookupOrDefault("triangulate", false)),
needsUpdate_(true)
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::sampledSurfaces::patch::~patch()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
const Foam::labelList& Foam::sampledSurfaces::patch::patchIndices() const
{
if (patchIndices_.empty())
{
patchIndices_ =
mesh().boundary().patchSet(patchNames_, false).sortedToc();
}
return patchIndices_;
}
bool Foam::sampledSurfaces::patch::needsUpdate() const
{
return needsUpdate_;
}
bool Foam::sampledSurfaces::patch::update()
{
if (!needsUpdate_)
{
return false;
}
label sz = 0;
forAll(patchIndices(), i)
{
label patchi = patchIndices()[i];
const polyPatch& pp = mesh().boundary()[patchi];
if (isA<emptyPolyPatch>(pp))
{
FatalErrorInFunction
<< "Cannot sample an empty patch. Patch " << pp.name()
<< exit(FatalError);
}
sz += pp.size();
}
// For every face (or triangle) the originating patch and local face in the
// patch.
patchIndex_.setSize(sz);
patchFaceLabels_.setSize(sz);
patchStart_.setSize(patchIndices().size());
labelList meshFaceLabels(sz);
sz = 0;
forAll(patchIndices(), i)
{
label patchi = patchIndices()[i];
patchStart_[i] = sz;
const polyPatch& pp = mesh().boundary()[patchi];
forAll(pp, j)
{
patchIndex_[sz] = i;
patchFaceLabels_[sz] = j;
meshFaceLabels[sz] = pp.start()+j;
sz++;
}
}
indirectPrimitivePatch allPatches
(
IndirectList<face>(mesh().faces(), meshFaceLabels),
mesh().points()
);
this->storedPoints() = allPatches.localPoints();
this->storedFaces() = allPatches.localFaces();
// triangulate uses remapFaces()
// - this is somewhat less efficient since it recopies the faces
// that we just created, but we probably don't want to do this
// too often anyhow.
if (triangulate_)
{
MeshedSurface<face>::triangulate();
}
if (debug)
{
print(Pout);
Pout<< endl;
}
needsUpdate_ = false;
return true;
}
// remap action on triangulation
void Foam::sampledSurfaces::patch::remapFaces(const labelUList& faceMap)
{
// recalculate the cells cut
if (notNull(faceMap) && faceMap.size())
{
MeshedSurface<face>::remapFaces(faceMap);
patchFaceLabels_ = labelList
(
UIndirectList<label>(patchFaceLabels_, faceMap)
);
patchIndex_ = labelList
(
UIndirectList<label>(patchIndex_, faceMap)
);
// Redo patchStart.
if (patchIndex_.size() > 0)
{
patchStart_[patchIndex_[0]] = 0;
for (label i = 1; i < patchIndex_.size(); i++)
{
if (patchIndex_[i] != patchIndex_[i-1])
{
patchStart_[patchIndex_[i]] = i;
}
}
}
}
}
#define IMPLEMENT_SAMPLE(Type, nullArg) \
Foam::tmp<Foam::Field<Foam::Type>> \
Foam::sampledSurfaces::patch::sample \
( \
const VolField<Type>& vField \
) const \
{ \
return sampleField(vField); \
} \
\
Foam::tmp<Foam::Field<Foam::Type>> \
Foam::sampledSurfaces::patch::sample \
( \
const SurfaceField<Type>& vField \
) const \
{ \
return sampleField(vField); \
}
FOR_ALL_FIELD_TYPES(IMPLEMENT_SAMPLE);
#undef IMPLEMENT_SAMPLE
#define IMPLEMENT_INTERPOLATE(Type, nullArg) \
Foam::tmp<Foam::Field<Foam::Type>> \
Foam::sampledSurfaces::patch::interpolate \
( \
const interpolation<Type>& interpolator \
) const \
{ \
return interpolateField(interpolator); \
}
FOR_ALL_FIELD_TYPES(IMPLEMENT_INTERPOLATE);
#undef IMPLEMENT_INTERPOLATE
void Foam::sampledSurfaces::patch::movePoints()
{
sampledSurface::clearGeom();
MeshedSurface<face>::clear();
patchIndices_.clear();
patchIndex_.clear();
patchFaceLabels_.clear();
patchStart_.clear();
needsUpdate_ = true;
}
void Foam::sampledSurfaces::patch::topoChange(const polyTopoChangeMap&)
{
movePoints();
}
void Foam::sampledSurfaces::patch::mapMesh(const polyMeshMap&)
{
movePoints();
}
void Foam::sampledSurfaces::patch::distribute(const polyDistributionMap&)
{
movePoints();
}
void Foam::sampledSurfaces::patch::print(Ostream& os) const
{
os << "patch: " << name() << " :"
<< " patches:" << patchNames()
<< " faces:" << faces().size()
<< " points:" << points().size();
}
// ************************************************************************* //
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