zhyang-dev/openfoam
1
0
Fork 0
mirror of https://develop.openfoam.com/Development/openfoam.git synced 2025-11-28 03:28:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
Files
d0a00a6b27d598592f93a7509740745194c48490
openfoam/src/OpenFOAM/meshes/polyMesh/polyMesh.C

1542 lines
35 KiB
C
Raw Blame History

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 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 "polyMesh.H"
#include "Time.H"
#include "cellIOList.H"
#include "wedgePolyPatch.H"
#include "emptyPolyPatch.H"
#include "globalMeshData.H"
#include "processorPolyPatch.H"
#include "polyMeshTetDecomposition.H"
#include "indexedOctree.H"
#include "treeDataCell.H"
#include "MeshObject.H"
#include "pointMesh.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
defineTypeNameAndDebug(polyMesh, 0);
word polyMesh::defaultRegion = "region0";
word polyMesh::meshSubDir = "polyMesh";
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::polyMesh::calcDirections() const
{
for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
{
solutionD_[cmpt] = 1;
}
// Knock out empty and wedge directions. Note:they will be present on all
// domains.
label nEmptyPatches = 0;
label nWedgePatches = 0;
vector emptyDirVec = vector::zero;
vector wedgeDirVec = vector::zero;
forAll(boundaryMesh(), patchi)
{
if (boundaryMesh()[patchi].size())
{
if (isA<emptyPolyPatch>(boundaryMesh()[patchi]))
{
nEmptyPatches++;
emptyDirVec += sum(cmptMag(boundaryMesh()[patchi].faceAreas()));
}
else if (isA<wedgePolyPatch>(boundaryMesh()[patchi]))
{
const wedgePolyPatch& wpp = refCast<const wedgePolyPatch>
(
boundaryMesh()[patchi]
);
nWedgePatches++;
wedgeDirVec += cmptMag(wpp.centreNormal());
}
}
}
reduce(nEmptyPatches, maxOp<label>());
reduce(nWedgePatches, maxOp<label>());
if (nEmptyPatches)
{
reduce(emptyDirVec, sumOp<vector>());
emptyDirVec /= mag(emptyDirVec);
for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
{
if (emptyDirVec[cmpt] > 1e-6)
{
solutionD_[cmpt] = -1;
}
else
{
solutionD_[cmpt] = 1;
}
}
}
// Knock out wedge directions
geometricD_ = solutionD_;
if (nWedgePatches)
{
reduce(wedgeDirVec, sumOp<vector>());
wedgeDirVec /= mag(wedgeDirVec);
for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
{
if (wedgeDirVec[cmpt] > 1e-6)
{
geometricD_[cmpt] = -1;
}
else
{
geometricD_[cmpt] = 1;
}
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::polyMesh::polyMesh(const IOobject& io)
:
objectRegistry(io),
primitiveMesh(),
points_
(
IOobject
(
"points",
time().findInstance(meshDir(), "points"),
meshSubDir,
*this,
IOobject::MUST_READ,
IOobject::NO_WRITE
)
),
faces_
(
IOobject
(
"faces",
time().findInstance(meshDir(), "faces"),
meshSubDir,
*this,
IOobject::MUST_READ,
IOobject::NO_WRITE
)
),
owner_
(
IOobject
(
"owner",
faces_.instance(),
meshSubDir,
*this,
IOobject::READ_IF_PRESENT,
IOobject::NO_WRITE
)
),
neighbour_
(
IOobject
(
"neighbour",
faces_.instance(),
meshSubDir,
*this,
IOobject::READ_IF_PRESENT,
IOobject::NO_WRITE
)
),
clearedPrimitives_(false),
boundary_
(
IOobject
(
"boundary",
time().findInstance(meshDir(), "boundary"),
meshSubDir,
*this,
IOobject::MUST_READ,
IOobject::NO_WRITE
),
*this
),
bounds_(points_),
comm_(UPstream::worldComm),
geometricD_(Vector<label>::zero),
solutionD_(Vector<label>::zero),
tetBasePtIsPtr_(NULL),
cellTreePtr_(NULL),
pointZones_
(
IOobject
(
"pointZones",
time().findInstance
(
meshDir(),
"pointZones",
IOobject::READ_IF_PRESENT
),
meshSubDir,
*this,
IOobject::READ_IF_PRESENT,
IOobject::NO_WRITE
),
*this
),
faceZones_
(
IOobject
(
"faceZones",
time().findInstance
(
meshDir(),
"faceZones",
IOobject::READ_IF_PRESENT
),
meshSubDir,
*this,
IOobject::READ_IF_PRESENT,
IOobject::NO_WRITE
),
*this
),
cellZones_
(
IOobject
(
"cellZones",
time().findInstance
(
meshDir(),
"cellZones",
IOobject::READ_IF_PRESENT
),
meshSubDir,
*this,
IOobject::READ_IF_PRESENT,
IOobject::NO_WRITE
),
*this
),
globalMeshDataPtr_(NULL),
moving_(false),
topoChanging_(false),
curMotionTimeIndex_(time().timeIndex()),
oldPointsPtr_(NULL)
{
if (exists(owner_.objectPath()))
{
initMesh();
}
else
{
cellCompactIOList cLst
(
IOobject
(
"cells",
time().findInstance(meshDir(), "cells"),
meshSubDir,
*this,
IOobject::MUST_READ,
IOobject::NO_WRITE
)
);
// Set the primitive mesh
initMesh(cLst);
owner_.write();
neighbour_.write();
}
// Calculate topology for the patches (processor-processor comms etc.)
boundary_.updateMesh();
// Calculate the geometry for the patches (transformation tensors etc.)
boundary_.calcGeometry();
// Warn if global empty mesh
if (returnReduce(nPoints(), sumOp<label>()) == 0)
{
WarningIn("polyMesh(const IOobject&)")
<< "no points in mesh" << endl;
}
if (returnReduce(nCells(), sumOp<label>()) == 0)
{
WarningIn("polyMesh(const IOobject&)")
<< "no cells in mesh" << endl;
}
// Initialise demand-driven data
calcDirections();
}
Foam::polyMesh::polyMesh
(
const IOobject& io,
const Xfer<pointField>& points,
const Xfer<faceList>& faces,
const Xfer<labelList>& owner,
const Xfer<labelList>& neighbour,
const bool syncPar
)
:
objectRegistry(io),
primitiveMesh(),
points_
(
IOobject
(
"points",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::AUTO_WRITE
),
points
),
faces_
(
IOobject
(
"faces",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::AUTO_WRITE
),
faces
),
owner_
(
IOobject
(
"owner",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::AUTO_WRITE
),
owner
),
neighbour_
(
IOobject
(
"neighbour",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::AUTO_WRITE
),
neighbour
),
clearedPrimitives_(false),
boundary_
(
IOobject
(
"boundary",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::AUTO_WRITE
),
*this,
polyPatchList()
),
bounds_(points_, syncPar),
comm_(UPstream::worldComm),
geometricD_(Vector<label>::zero),
solutionD_(Vector<label>::zero),
tetBasePtIsPtr_(NULL),
cellTreePtr_(NULL),
pointZones_
(
IOobject
(
"pointZones",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::NO_WRITE
),
*this,
PtrList<pointZone>()
),
faceZones_
(
IOobject
(
"faceZones",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::NO_WRITE
),
*this,
PtrList<faceZone>()
),
cellZones_
(
IOobject
(
"cellZones",
instance(),
meshSubDir,
*this,
io.readOpt(),
IOobject::NO_WRITE
),
*this,
PtrList<cellZone>()
),
globalMeshDataPtr_(NULL),
moving_(false),
topoChanging_(false),
curMotionTimeIndex_(time().timeIndex()),
oldPointsPtr_(NULL)
{
// Check if the faces and cells are valid
forAll(faces_, facei)
{
const face& curFace = faces_[facei];
if (min(curFace) < 0 || max(curFace) > points_.size())
{
FatalErrorIn
(
"polyMesh::polyMesh\n"
"(\n"
" const IOobject& io,\n"
" const pointField& points,\n"
" const faceList& faces,\n"
" const cellList& cells\n"
")\n"
) << "Face " << facei << "contains vertex labels out of range: "
<< curFace << " Max point index = " << points_.size()
<< abort(FatalError);
}
}
// Set the primitive mesh
initMesh();
}
Foam::polyMesh::polyMesh
(
const IOobject& io,
const Xfer<pointField>& points,
const Xfer<faceList>& faces,
const Xfer<cellList>& cells,
const bool syncPar
)
:
objectRegistry(io),
primitiveMesh(),
points_
(
IOobject
(
"points",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
points
),
faces_
(
IOobject
(
"faces",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
faces
),
owner_
(
IOobject
(
"owner",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
0
),
neighbour_
(
IOobject
(
"neighbour",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
0
),
clearedPrimitives_(false),
boundary_
(
IOobject
(
"boundary",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
*this,
0
),
bounds_(points_, syncPar),
comm_(UPstream::worldComm),
geometricD_(Vector<label>::zero),
solutionD_(Vector<label>::zero),
tetBasePtIsPtr_(NULL),
cellTreePtr_(NULL),
pointZones_
(
IOobject
(
"pointZones",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::NO_WRITE
),
*this,
0
),
faceZones_
(
IOobject
(
"faceZones",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::NO_WRITE
),
*this,
0
),
cellZones_
(
IOobject
(
"cellZones",
instance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::NO_WRITE
),
*this,
0
),
globalMeshDataPtr_(NULL),
moving_(false),
topoChanging_(false),
curMotionTimeIndex_(time().timeIndex()),
oldPointsPtr_(NULL)
{
// Check if faces are valid
forAll(faces_, facei)
{
const face& curFace = faces_[facei];
if (min(curFace) < 0 || max(curFace) > points_.size())
{
FatalErrorIn
(
"polyMesh::polyMesh\n"
"(\n"
" const IOobject&,\n"
" const Xfer<pointField>&,\n"
" const Xfer<faceList>&,\n"
" const Xfer<cellList>&\n"
")\n"
) << "Face " << facei << "contains vertex labels out of range: "
<< curFace << " Max point index = " << points_.size()
<< abort(FatalError);
}
}
// transfer in cell list
cellList cLst(cells);
// Check if cells are valid
forAll(cLst, celli)
{
const cell& curCell = cLst[celli];
if (min(curCell) < 0 || max(curCell) > faces_.size())
{
FatalErrorIn
(
"polyMesh::polyMesh\n"
"(\n"
" const IOobject&,\n"
" const Xfer<pointField>&,\n"
" const Xfer<faceList>&,\n"
" const Xfer<cellList>&\n"
")\n"
) << "Cell " << celli << "contains face labels out of range: "
<< curCell << " Max face index = " << faces_.size()
<< abort(FatalError);
}
}
// Set the primitive mesh
initMesh(cLst);
}
void Foam::polyMesh::resetPrimitives
(
const Xfer<pointField>& points,
const Xfer<faceList>& faces,
const Xfer<labelList>& owner,
const Xfer<labelList>& neighbour,
const labelList& patchSizes,
const labelList& patchStarts,
const bool validBoundary
)
{
// Clear addressing. Keep geometric props and updateable props for mapping.
clearAddressing(true);
// Take over new primitive data.
// Optimized to avoid overwriting data at all
if (notNull(points))
{
points_.transfer(points());
bounds_ = boundBox(points_, validBoundary);
}
if (notNull(faces))
{
faces_.transfer(faces());
}
if (notNull(owner))
{
owner_.transfer(owner());
}
if (notNull(neighbour))
{
neighbour_.transfer(neighbour());
}
// Reset patch sizes and starts
forAll(boundary_, patchI)
{
boundary_[patchI] = polyPatch
(
boundary_[patchI],
boundary_,
patchI,
patchSizes[patchI],
patchStarts[patchI]
);
}
// Flags the mesh files as being changed
setInstance(time().timeName());
// Check if the faces and cells are valid
forAll(faces_, facei)
{
const face& curFace = faces_[facei];
if (min(curFace) < 0 || max(curFace) > points_.size())
{
FatalErrorIn
(
"polyMesh::polyMesh::resetPrimitives\n"
"(\n"
" const Xfer<pointField>&,\n"
" const Xfer<faceList>&,\n"
" const Xfer<labelList>& owner,\n"
" const Xfer<labelList>& neighbour,\n"
" const labelList& patchSizes,\n"
" const labelList& patchStarts\n"
" const bool validBoundary\n"
")\n"
) << "Face " << facei << " contains vertex labels out of range: "
<< curFace << " Max point index = " << points_.size()
<< abort(FatalError);
}
}
// Set the primitive mesh from the owner_, neighbour_.
// Works out from patch end where the active faces stop.
initMesh();
if (validBoundary)
{
// Note that we assume that all the patches stay the same and are
// correct etc. so we can already use the patches to do
// processor-processor comms.
// Calculate topology for the patches (processor-processor comms etc.)
boundary_.updateMesh();
// Calculate the geometry for the patches (transformation tensors etc.)
boundary_.calcGeometry();
// Warn if global empty mesh
if
(
(returnReduce(nPoints(), sumOp<label>()) == 0)
|| (returnReduce(nCells(), sumOp<label>()) == 0)
)
{
FatalErrorIn
(
"polyMesh::polyMesh::resetPrimitives\n"
"(\n"
" const Xfer<pointField>&,\n"
" const Xfer<faceList>&,\n"
" const Xfer<labelList>& owner,\n"
" const Xfer<labelList>& neighbour,\n"
" const labelList& patchSizes,\n"
" const labelList& patchStarts\n"
" const bool validBoundary\n"
")\n"
) << "no points or no cells in mesh" << endl;
}
}
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::polyMesh::~polyMesh()
{
clearOut();
resetMotion();
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
const Foam::fileName& Foam::polyMesh::dbDir() const
{
if (objectRegistry::dbDir() == defaultRegion)
{
return parent().dbDir();
}
else
{
return objectRegistry::dbDir();
}
}
Foam::fileName Foam::polyMesh::meshDir() const
{
return dbDir()/meshSubDir;
}
const Foam::fileName& Foam::polyMesh::pointsInstance() const
{
return points_.instance();
}
const Foam::fileName& Foam::polyMesh::facesInstance() const
{
return faces_.instance();
}
const Foam::Vector<Foam::label>& Foam::polyMesh::geometricD() const
{
if (geometricD_.x() == 0)
{
calcDirections();
}
return geometricD_;
}
Foam::label Foam::polyMesh::nGeometricD() const
{
return cmptSum(geometricD() + Vector<label>::one)/2;
}
const Foam::Vector<Foam::label>& Foam::polyMesh::solutionD() const
{
if (solutionD_.x() == 0)
{
calcDirections();
}
return solutionD_;
}
Foam::label Foam::polyMesh::nSolutionD() const
{
return cmptSum(solutionD() + Vector<label>::one)/2;
}
const Foam::labelList& Foam::polyMesh::tetBasePtIs() const
{
if (tetBasePtIsPtr_.empty())
{
if (debug)
{
WarningIn("const labelList& polyMesh::tetBasePtIs() const")
<< "Tet base point indices not available. "
<< "Forcing storage of base points."
<< endl;
}
tetBasePtIsPtr_.reset
(
new labelList
(
polyMeshTetDecomposition::findFaceBasePts(*this)
)
);
}
return tetBasePtIsPtr_();
}
const Foam::indexedOctree<Foam::treeDataCell>&
Foam::polyMesh::cellTree() const
{
if (cellTreePtr_.empty())
{
treeBoundBox overallBb(points());
Random rndGen(261782);
overallBb = overallBb.extend(rndGen, 1e-4);
overallBb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
overallBb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
cellTreePtr_.reset
(
new indexedOctree<treeDataCell>
(
treeDataCell
(
false, // not cache bb
*this,
CELL_TETS // use tet-decomposition for any inside test
),
overallBb,
8, // maxLevel
10, // leafsize
5.0 // duplicity
)
);
}
return cellTreePtr_();
}
void Foam::polyMesh::addPatches
(
const List<polyPatch*>& p,
const bool validBoundary
)
{
if (boundaryMesh().size())
{
FatalErrorIn
(
"void polyMesh::addPatches(const List<polyPatch*>&, const bool)"
) << "boundary already exists"
<< abort(FatalError);
}
// Reset valid directions
geometricD_ = Vector<label>::zero;
solutionD_ = Vector<label>::zero;
boundary_.setSize(p.size());
// Copy the patch pointers
forAll(p, pI)
{
boundary_.set(pI, p[pI]);
}
// parallelData depends on the processorPatch ordering so force
// recalculation. Problem: should really be done in removeBoundary but
// there is some info in parallelData which might be interesting inbetween
// removeBoundary and addPatches.
globalMeshDataPtr_.clear();
if (validBoundary)
{
// Calculate topology for the patches (processor-processor comms etc.)
boundary_.updateMesh();
// Calculate the geometry for the patches (transformation tensors etc.)
boundary_.calcGeometry();
boundary_.checkDefinition();
}
}
void Foam::polyMesh::addZones
(
const List<pointZone*>& pz,
const List<faceZone*>& fz,
const List<cellZone*>& cz
)
{
if (pointZones().size() || faceZones().size() || cellZones().size())
{
FatalErrorIn
(
"void addZones\n"
"(\n"
" const List<pointZone*>&,\n"
" const List<faceZone*>&,\n"
" const List<cellZone*>&\n"
")"
) << "point, face or cell zone already exists"
<< abort(FatalError);
}
// Point zones
if (pz.size())
{
pointZones_.setSize(pz.size());
// Copy the zone pointers
forAll(pz, pI)
{
pointZones_.set(pI, pz[pI]);
}
pointZones_.writeOpt() = IOobject::AUTO_WRITE;
}
// Face zones
if (fz.size())
{
faceZones_.setSize(fz.size());
// Copy the zone pointers
forAll(fz, fI)
{
faceZones_.set(fI, fz[fI]);
}
faceZones_.writeOpt() = IOobject::AUTO_WRITE;
}
// Cell zones
if (cz.size())
{
cellZones_.setSize(cz.size());
// Copy the zone pointers
forAll(cz, cI)
{
cellZones_.set(cI, cz[cI]);
}
cellZones_.writeOpt() = IOobject::AUTO_WRITE;
}
}
const Foam::pointField& Foam::polyMesh::points() const
{
if (clearedPrimitives_)
{
FatalErrorIn("const pointField& polyMesh::points() const")
<< "points deallocated"
<< abort(FatalError);
}
return points_;
}
bool Foam::polyMesh::upToDatePoints(const regIOobject& io) const
{
return io.upToDate(points_);
}
void Foam::polyMesh::setUpToDatePoints(regIOobject& io) const
{
io.eventNo() = points_.eventNo();
}
const Foam::faceList& Foam::polyMesh::faces() const
{
if (clearedPrimitives_)
{
FatalErrorIn("const faceList& polyMesh::faces() const")
<< "faces deallocated"
<< abort(FatalError);
}
return faces_;
}
const Foam::labelList& Foam::polyMesh::faceOwner() const
{
return owner_;
}
const Foam::labelList& Foam::polyMesh::faceNeighbour() const
{
return neighbour_;
}
const Foam::pointField& Foam::polyMesh::oldPoints() const
{
if (oldPointsPtr_.empty())
{
if (debug)
{
WarningIn("const pointField& polyMesh::oldPoints() const")
<< "Old points not available. Forcing storage of old points"
<< endl;
}
oldPointsPtr_.reset(new pointField(points_));
curMotionTimeIndex_ = time().timeIndex();
}
return oldPointsPtr_();
}
Foam::tmp<Foam::scalarField> Foam::polyMesh::movePoints
(
const pointField& newPoints
)
{
if (debug)
{
Info<< "tmp<scalarField> polyMesh::movePoints(const pointField&) : "
<< " Moving points for time " << time().value()
<< " index " << time().timeIndex() << endl;
}
moving(true);
// Pick up old points
if (curMotionTimeIndex_ != time().timeIndex())
{
// Mesh motion in the new time step
oldPointsPtr_.clear();
oldPointsPtr_.reset(new pointField(points_));
curMotionTimeIndex_ = time().timeIndex();
}
points_ = newPoints;
bool moveError = false;
if (debug)
{
// Check mesh motion
if (checkMeshMotion(points_, true))
{
moveError = true;
Info<< "tmp<scalarField> polyMesh::movePoints"
<< "(const pointField&) : "
<< "Moving the mesh with given points will "
<< "invalidate the mesh." << nl
<< "Mesh motion should not be executed." << endl;
}
}
points_.writeOpt() = IOobject::AUTO_WRITE;
points_.instance() = time().timeName();
points_.eventNo() = getEvent();
tmp<scalarField> sweptVols = primitiveMesh::movePoints
(
points_,
oldPoints()
);
// Adjust parallel shared points
if (globalMeshDataPtr_.valid())
{
globalMeshDataPtr_().movePoints(points_);
}
// Force recalculation of all geometric data with new points
bounds_ = boundBox(points_);
boundary_.movePoints(points_);
pointZones_.movePoints(points_);
faceZones_.movePoints(points_);
cellZones_.movePoints(points_);
// Reset valid directions (could change with rotation)
geometricD_ = Vector<label>::zero;
solutionD_ = Vector<label>::zero;
meshObject::movePoints<polyMesh>(*this);
meshObject::movePoints<pointMesh>(*this);
const_cast<Time&>(time()).functionObjects().movePoints(*this);
if (debug && moveError)
{
// Write mesh to ease debugging. Note we want to avoid calling
// e.g. fvMesh::write since meshPhi not yet complete.
polyMesh::write();
}
return sweptVols;
}
// Reset motion by deleting old points
void Foam::polyMesh::resetMotion() const
{
curMotionTimeIndex_ = 0;
oldPointsPtr_.clear();
}
// Return parallel info
const Foam::globalMeshData& Foam::polyMesh::globalData() const
{
if (globalMeshDataPtr_.empty())
{
if (debug)
{
Pout<< "polyMesh::globalData() const : "
<< "Constructing parallelData from processor topology"
<< endl;
}
// Construct globalMeshData using processorPatch information only.
globalMeshDataPtr_.reset(new globalMeshData(*this));
}
return globalMeshDataPtr_();
}
Foam::label Foam::polyMesh::comm() const
{
return comm_;
}
Foam::label& Foam::polyMesh::comm()
{
return comm_;
}
void Foam::polyMesh::removeFiles(const fileName& instanceDir) const
{
fileName meshFilesPath = thisDb().time().path()/instanceDir/meshDir();
rm(meshFilesPath/"points");
rm(meshFilesPath/"faces");
rm(meshFilesPath/"owner");
rm(meshFilesPath/"neighbour");
rm(meshFilesPath/"cells");
rm(meshFilesPath/"boundary");
rm(meshFilesPath/"pointZones");
rm(meshFilesPath/"faceZones");
rm(meshFilesPath/"cellZones");
rm(meshFilesPath/"meshModifiers");
rm(meshFilesPath/"parallelData");
// remove subdirectories
if (isDir(meshFilesPath/"sets"))
{
rmDir(meshFilesPath/"sets");
}
}
void Foam::polyMesh::removeFiles() const
{
removeFiles(instance());
}
void Foam::polyMesh::findCellFacePt
(
const point& p,
label& celli,
label& tetFacei,
label& tetPti
) const
{
celli = -1;
tetFacei = -1;
tetPti = -1;
const indexedOctree<treeDataCell>& tree = cellTree();
// Find nearest cell to the point
pointIndexHit info = tree.findNearest(p, sqr(GREAT));
if (info.hit())
{
label nearestCellI = tree.shapes().cellLabels()[info.index()];
// Check the nearest cell to see if the point is inside.
findTetFacePt(nearestCellI, p, tetFacei, tetPti);
if (tetFacei != -1)
{
// Point was in the nearest cell
celli = nearestCellI;
return;
}
else
{
// Check the other possible cells that the point may be in
labelList testCells = tree.findIndices(p);
forAll(testCells, pCI)
{
label testCellI = tree.shapes().cellLabels()[testCells[pCI]];
if (testCellI == nearestCellI)
{
// Don't retest the nearest cell
continue;
}
// Check the test cell to see if the point is inside.
findTetFacePt(testCellI, p, tetFacei, tetPti);
if (tetFacei != -1)
{
// Point was in the test cell
celli = testCellI;
return;
}
}
}
}
else
{
FatalErrorIn
(
"void Foam::polyMesh::findCellFacePt"
"("
"const point& p, "
"label& celli, "
"label& tetFacei, "
"label& tetPti"
") const"
) << "Did not find nearest cell in search tree."
<< abort(FatalError);
}
}
void Foam::polyMesh::findTetFacePt
(
const label celli,
const point& p,
label& tetFacei,
label& tetPti
) const
{
const polyMesh& mesh = *this;
tetIndices tet(polyMeshTetDecomposition::findTet(mesh, celli, p));
tetFacei = tet.face();
tetPti = tet.tetPt();
}
bool Foam::polyMesh::pointInCell
(
const point& p,
label celli,
const cellDecomposition decompMode
) const
{
switch (decompMode)
{
case FACE_PLANES:
{
return primitiveMesh::pointInCell(p, celli);
}
break;
case FACE_CENTRE_TRIS:
{
// only test that point is on inside of plane defined by cell face
// triangles
const cell& cFaces = cells()[celli];
forAll(cFaces, cFacei)
{
label facei = cFaces[cFacei];
const face& f = faces_[facei];
const point& fc = faceCentres()[facei];
bool isOwn = (owner_[facei] == celli);
forAll(f, fp)
{
label pointI;
label nextPointI;
if (isOwn)
{
pointI = f[fp];
nextPointI = f.nextLabel(fp);
}
else
{
pointI = f.nextLabel(fp);
nextPointI = f[fp];
}
triPointRef faceTri
(
points()[pointI],
points()[nextPointI],
fc
);
vector proj = p - faceTri.centre();
if ((faceTri.normal() & proj) > 0)
{
return false;
}
}
}
return true;
}
break;
case FACE_DIAG_TRIS:
{
// only test that point is on inside of plane defined by cell face
// triangles
const cell& cFaces = cells()[celli];
forAll(cFaces, cFacei)
{
label facei = cFaces[cFacei];
const face& f = faces_[facei];
for (label tetPti = 1; tetPti < f.size() - 1; tetPti++)
{
// Get tetIndices of face triangle
tetIndices faceTetIs
(
polyMeshTetDecomposition::triangleTetIndices
(
*this,
facei,
celli,
tetPti
)
);
triPointRef faceTri = faceTetIs.faceTri(*this);
vector proj = p - faceTri.centre();
if ((faceTri.normal() & proj) > 0)
{
return false;
}
}
}
return true;
}
break;
case CELL_TETS:
{
label tetFacei;
label tetPti;
findTetFacePt(celli, p, tetFacei, tetPti);
return tetFacei != -1;
}
break;
}
return false;
}
Foam::label Foam::polyMesh::findCell
(
const point& p,
const cellDecomposition decompMode
) const
{
if (nCells() == 0)
{
return -1;
}
if (Pstream::parRun() && decompMode == FACE_DIAG_TRIS)
{
// Force construction of face-diagonal decomposition before testing
// for zero cells.
//
// If parallel running a local domain might have zero cells so never
// construct the face-diagonal decomposition which uses parallel
// transfers.
(void)tetBasePtIs();
}
if (decompMode == CELL_TETS)
{
// Advanced search method utilizing an octree
// and tet-decomposition of the cells
label celli;
label tetFacei;
label tetPti;
findCellFacePt(p, celli, tetFacei, tetPti);
return celli;
}
else
{
// Approximate search avoiding the construction of an octree
// and cell decomposition
// Find the nearest cell centre to this location
label celli = findNearestCell(p);
// If point is in the nearest cell return
if (pointInCell(p, celli, decompMode))
{
return celli;
}
else
{
// Point is not in the nearest cell so search all cells
for (label celli = 0; celli < nCells(); celli++)
{
if (pointInCell(p, celli, decompMode))
{
return celli;
}
}
return -1;
}
}
}
// ************************************************************************* //
Reference in New Issue View Git Blame Copy Permalink