456 lines
13 KiB
C
456 lines
13 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2009-2011 OpenCFD Ltd.
|
|
\\/ 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 "parallelHierarchicalDensityWeightedStochastic.H"
|
|
#include "addToRunTimeSelectionTable.H"
|
|
|
|
#include "zeroGradientFvPatchFields.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
|
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
|
|
|
defineTypeNameAndDebug(parallelHierarchicalDensityWeightedStochastic, 0);
|
|
addToRunTimeSelectionTable
|
|
(
|
|
initialPointsMethod,
|
|
parallelHierarchicalDensityWeightedStochastic,
|
|
dictionary
|
|
);
|
|
|
|
|
|
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
|
|
|
|
void parallelHierarchicalDensityWeightedStochastic::printMeshData
|
|
(
|
|
const polyMesh& mesh
|
|
) const
|
|
{
|
|
// Collect all data on master
|
|
|
|
globalIndex globalCells(mesh.nCells());
|
|
labelListList patchNeiProcNo(Pstream::nProcs());
|
|
labelListList patchSize(Pstream::nProcs());
|
|
const labelList& pPatches = mesh.globalData().processorPatches();
|
|
patchNeiProcNo[Pstream::myProcNo()].setSize(pPatches.size());
|
|
patchSize[Pstream::myProcNo()].setSize(pPatches.size());
|
|
forAll(pPatches, i)
|
|
{
|
|
const processorPolyPatch& ppp = refCast<const processorPolyPatch>
|
|
(
|
|
mesh.boundaryMesh()[pPatches[i]]
|
|
);
|
|
patchNeiProcNo[Pstream::myProcNo()][i] = ppp.neighbProcNo();
|
|
patchSize[Pstream::myProcNo()][i] = ppp.size();
|
|
}
|
|
Pstream::gatherList(patchNeiProcNo);
|
|
Pstream::gatherList(patchSize);
|
|
|
|
|
|
// Print stats
|
|
|
|
globalIndex globalBoundaryFaces(mesh.nFaces()-mesh.nInternalFaces());
|
|
|
|
for (label procI = 0; procI < Pstream::nProcs(); procI++)
|
|
{
|
|
Info<< endl
|
|
<< "Processor " << procI << nl
|
|
<< " Number of cells = " << globalCells.localSize(procI)
|
|
<< endl;
|
|
|
|
label nProcFaces = 0;
|
|
|
|
const labelList& nei = patchNeiProcNo[procI];
|
|
|
|
forAll(patchNeiProcNo[procI], i)
|
|
{
|
|
Info<< " Number of faces shared with processor "
|
|
<< patchNeiProcNo[procI][i] << " = " << patchSize[procI][i]
|
|
<< endl;
|
|
|
|
nProcFaces += patchSize[procI][i];
|
|
}
|
|
|
|
Info<< " Number of processor patches = " << nei.size() << nl
|
|
<< " Number of processor faces = " << nProcFaces << nl
|
|
<< " Number of boundary faces = "
|
|
<< globalBoundaryFaces.localSize(procI) << endl;
|
|
}
|
|
}
|
|
|
|
|
|
bool parallelHierarchicalDensityWeightedStochastic::estimateCellWeight
|
|
(
|
|
const polyMesh& mesh,
|
|
label cellI,
|
|
label volType,
|
|
scalar& weightEstimate
|
|
) const
|
|
{
|
|
weightEstimate = 10*scalar(Pstream::myProcNo() + 1.0);
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
labelList parallelHierarchicalDensityWeightedStochastic::selectRefinementCells
|
|
(
|
|
const hexRef8& meshCutter,
|
|
labelList& volumeStatus,
|
|
volScalarField& cellWeights
|
|
) const
|
|
{
|
|
labelHashSet cellsToRefine;
|
|
|
|
const polyMesh& mesh = meshCutter.mesh();
|
|
|
|
// Determine/update the status of each cell
|
|
forAll(volumeStatus, cellI)
|
|
{
|
|
if (volumeStatus[cellI] == searchableSurface::MIXED)
|
|
{
|
|
if (meshCutter.cellLevel()[cellI] <= minLevels_)
|
|
{
|
|
cellsToRefine.insert(cellI);
|
|
}
|
|
}
|
|
|
|
if
|
|
(
|
|
estimateCellWeight
|
|
(
|
|
mesh,
|
|
cellI,
|
|
volumeStatus[cellI],
|
|
cellWeights.internalField()[cellI]
|
|
)
|
|
)
|
|
{
|
|
cellsToRefine.insert(cellI);
|
|
}
|
|
}
|
|
|
|
return cellsToRefine.toc();
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
|
|
|
parallelHierarchicalDensityWeightedStochastic::
|
|
parallelHierarchicalDensityWeightedStochastic
|
|
(
|
|
const dictionary& initialPointsDict,
|
|
const conformalVoronoiMesh& cvMesh
|
|
)
|
|
:
|
|
initialPointsMethod(typeName, initialPointsDict, cvMesh),
|
|
globalTrialPoints_(0),
|
|
minCellSizeLimit_
|
|
(
|
|
detailsDict().lookupOrDefault<scalar>("minCellSizeLimit", 0.0)
|
|
),
|
|
minLevels_(readLabel(detailsDict().lookup("minLevels"))),
|
|
maxSizeRatio_(readScalar(detailsDict().lookup("maxSizeRatio"))),
|
|
volRes_(readLabel(detailsDict().lookup("sampleResolution"))),
|
|
surfRes_
|
|
(
|
|
detailsDict().lookupOrDefault<label>("surfaceSampleResolution", volRes_)
|
|
)
|
|
{
|
|
if (maxSizeRatio_ <= 1.0)
|
|
{
|
|
maxSizeRatio_ = 2.0;
|
|
|
|
WarningIn
|
|
(
|
|
"parallelHierarchicalDensityWeightedStochastic::"
|
|
"parallelHierarchicalDensityWeightedStochastic"
|
|
"("
|
|
"const dictionary& initialPointsDict,"
|
|
"const conformalVoronoiMesh& cvMesh"
|
|
")"
|
|
)
|
|
<< "The maxSizeRatio must be greater than one to be sensible, "
|
|
<< "setting to " << maxSizeRatio_
|
|
<< endl;
|
|
}
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
|
|
|
|
std::vector<Vb::Point>
|
|
parallelHierarchicalDensityWeightedStochastic::initialPoints() const
|
|
{
|
|
std::vector<Vb::Point> initialPoints;
|
|
|
|
if (Pstream::parRun())
|
|
{
|
|
fvMesh mesh
|
|
(
|
|
IOobject
|
|
(
|
|
fvMesh::defaultRegion,
|
|
cvMesh_.time().timeName(),
|
|
cvMesh_.time(),
|
|
IOobject::MUST_READ
|
|
)
|
|
);
|
|
|
|
//Read decomposePar dictionary
|
|
IOdictionary decomposeDict
|
|
(
|
|
IOobject
|
|
(
|
|
"decomposeParDict",
|
|
cvMesh_.time().system(),
|
|
cvMesh_.time(),
|
|
IOobject::MUST_READ_IF_MODIFIED,
|
|
IOobject::NO_WRITE
|
|
)
|
|
);
|
|
|
|
scalar mergeDist = 1e-6*mesh.bounds().mag();
|
|
|
|
volScalarField cellWeights
|
|
(
|
|
IOobject
|
|
(
|
|
"cellWeights",
|
|
mesh.time().timeName(),
|
|
mesh,
|
|
IOobject::NO_READ,
|
|
IOobject::NO_WRITE
|
|
),
|
|
mesh,
|
|
dimensionedScalar("one", dimless, 1.0),
|
|
zeroGradientFvPatchScalarField::typeName
|
|
);
|
|
|
|
const conformationSurfaces& geometry = cvMesh_.geometryToConformTo();
|
|
|
|
// Decomposition
|
|
autoPtr<decompositionMethod> decomposerPtr
|
|
(
|
|
decompositionMethod::New(decomposeDict)
|
|
);
|
|
|
|
decompositionMethod& decomposer = decomposerPtr();
|
|
|
|
if (!decomposer.parallelAware())
|
|
{
|
|
FatalErrorIn
|
|
(
|
|
"parallelHierarchicalDensityWeightedStochastic"
|
|
)
|
|
<< "You have selected decomposition method "
|
|
<< decomposer.typeName
|
|
<< " which is not parallel aware." << endl
|
|
<< exit(FatalError);
|
|
}
|
|
|
|
hexRef8 meshCutter
|
|
(
|
|
mesh,
|
|
labelList(mesh.nCells(), 0),
|
|
labelList(mesh.nPoints(), 0)
|
|
);
|
|
|
|
// For each cell in the mesh has it been determined if it is fully
|
|
// inside, outside, or overlaps the surface
|
|
labelList volumeStatus
|
|
(
|
|
mesh.nCells(),
|
|
searchableSurface::UNKNOWN
|
|
);
|
|
|
|
// Surface refinement
|
|
{
|
|
while (true)
|
|
{
|
|
// Determine/update the status of each cell
|
|
forAll(volumeStatus, cellI)
|
|
{
|
|
if (volumeStatus[cellI] == searchableSurface::UNKNOWN)
|
|
{
|
|
treeBoundBox cellBb
|
|
(
|
|
mesh.cells()[cellI].points
|
|
(
|
|
mesh.faces(),
|
|
mesh.points()
|
|
)
|
|
);
|
|
|
|
if (geometry.overlaps(cellBb))
|
|
{
|
|
volumeStatus[cellI] = searchableSurface::MIXED;
|
|
}
|
|
else if (geometry.inside(cellBb.midpoint()))
|
|
{
|
|
volumeStatus[cellI] = searchableSurface::INSIDE;
|
|
}
|
|
else
|
|
{
|
|
volumeStatus[cellI] =
|
|
searchableSurface::OUTSIDE;
|
|
}
|
|
}
|
|
}
|
|
|
|
labelList refCells = selectRefinementCells
|
|
(
|
|
meshCutter,
|
|
volumeStatus,
|
|
cellWeights
|
|
);
|
|
|
|
// Maintain 2:1 ratio
|
|
labelList newCellsToRefine
|
|
(
|
|
meshCutter.consistentRefinement
|
|
(
|
|
refCells,
|
|
true // extend set
|
|
)
|
|
);
|
|
|
|
forAll(newCellsToRefine, nCTRI)
|
|
{
|
|
label cellI = newCellsToRefine[nCTRI];
|
|
|
|
if (volumeStatus[cellI] == searchableSurface::MIXED)
|
|
{
|
|
volumeStatus[cellI] = searchableSurface::UNKNOWN;
|
|
}
|
|
|
|
cellWeights.internalField()[cellI] = max
|
|
(
|
|
1.0,
|
|
cellWeights.internalField()[cellI]/8.0
|
|
);
|
|
}
|
|
|
|
if (newCellsToRefine.empty())
|
|
{
|
|
break;
|
|
}
|
|
|
|
// Mesh changing engine.
|
|
polyTopoChange meshMod(mesh);
|
|
|
|
// Play refinement commands into mesh changer.
|
|
meshCutter.setRefinement(newCellsToRefine, meshMod);
|
|
|
|
// Create mesh, return map from old to new mesh.
|
|
autoPtr<mapPolyMesh> map = meshMod.changeMesh(mesh, false);
|
|
|
|
// Update fields
|
|
mesh.updateMesh(map);
|
|
|
|
// Update numbering of cells/vertices.
|
|
meshCutter.updateMesh(map);
|
|
|
|
{
|
|
// Map volumeStatus
|
|
|
|
const labelList& cellMap = map().cellMap();
|
|
|
|
labelList newVolumeStatus(cellMap.size());
|
|
|
|
forAll(cellMap, newCellI)
|
|
{
|
|
label oldCellI = cellMap[newCellI];
|
|
|
|
if (oldCellI == -1)
|
|
{
|
|
newVolumeStatus[newCellI] =
|
|
searchableSurface::UNKNOWN;;
|
|
}
|
|
else
|
|
{
|
|
newVolumeStatus[newCellI] = volumeStatus[oldCellI];
|
|
}
|
|
}
|
|
|
|
volumeStatus.transfer(newVolumeStatus);
|
|
}
|
|
|
|
Info<< "Refined from "
|
|
<< returnReduce(map().nOldCells(), sumOp<label>())
|
|
<< " to " << mesh.globalData().nTotalCells() << " cells."
|
|
<< nl << endl;
|
|
|
|
const_cast<Time&>(mesh.time())++;
|
|
meshCutter.write();
|
|
mesh.write();
|
|
cellWeights.write();
|
|
|
|
labelList newDecomp = decomposer.decompose
|
|
(
|
|
mesh,
|
|
mesh.cellCentres(),
|
|
cellWeights
|
|
);
|
|
|
|
fvMeshDistribute distributor(mesh, mergeDist);
|
|
|
|
autoPtr<mapDistributePolyMesh> mapDist =
|
|
distributor.distribute(newDecomp);
|
|
|
|
meshCutter.distribute(mapDist);
|
|
|
|
mapDist().distributeCellData(volumeStatus);
|
|
|
|
printMeshData(mesh);
|
|
|
|
const_cast<Time&>(mesh.time())++;
|
|
meshCutter.write();
|
|
mesh.write();
|
|
cellWeights.write();
|
|
}
|
|
}
|
|
|
|
// const_cast<Time&>(mesh.time())++;
|
|
// cellWeights.write();
|
|
// mesh.write();
|
|
|
|
// Pout<< "crash now" << endl;
|
|
// Pout<< acos(2.0) << endl;
|
|
}
|
|
|
|
return initialPoints;
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
} // End namespace Foam
|
|
|
|
// ************************************************************************* //
|