openfoam/applications/utilities/mesh/manipulation/checkMesh/checkTopology.C

501 lines
14 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 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 "checkTopology.H"
#include "polyMesh.H"
#include "Time.H"
#include "regionSplit.H"
#include "cellSet.H"
#include "faceSet.H"
#include "pointSet.H"
#include "IOmanip.H"
#include "emptyPolyPatch.H"
#include "processorPolyPatch.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Foam::label Foam::checkTopology
(
const polyMesh& mesh,
const bool allTopology,
const bool allGeometry
)
{
label noFailedChecks = 0;
Info<< "Checking topology..." << endl;
// Check if the boundary definition is unique
mesh.boundaryMesh().checkDefinition(true);
// Check that empty patches cover all sides of the mesh
{
label nEmpty = 0;
forAll(mesh.boundaryMesh(), patchI)
{
if (isA<emptyPolyPatch>(mesh.boundaryMesh()[patchI]))
{
nEmpty += mesh.boundaryMesh()[patchI].size();
}
}
reduce(nEmpty, sumOp<label>());
label nTotCells = returnReduce(mesh.cells().size(), sumOp<label>());
// These are actually warnings, not errors.
if (nTotCells && (nEmpty % nTotCells))
{
Info<< " ***Total number of faces on empty patches"
<< " is not divisible by the number of cells in the mesh."
<< " Hence this mesh is not 1D or 2D."
<< endl;
}
}
// Check if the boundary processor patches are correct
mesh.boundaryMesh().checkParallelSync(true);
// Check names of zones are equal
mesh.cellZones().checkDefinition(true);
if (mesh.cellZones().checkParallelSync(true))
{
noFailedChecks++;
}
mesh.faceZones().checkDefinition(true);
if (mesh.faceZones().checkParallelSync(true))
{
noFailedChecks++;
}
mesh.pointZones().checkDefinition(true);
if (mesh.pointZones().checkParallelSync(true))
{
noFailedChecks++;
}
{
cellSet cells(mesh, "illegalCells", mesh.nCells()/100);
forAll(mesh.cells(), cellI)
{
const cell& cFaces = mesh.cells()[cellI];
if (cFaces.size() <= 3)
{
cells.insert(cellI);
}
forAll(cFaces, i)
{
if (cFaces[i] < 0 || cFaces[i] >= mesh.nFaces())
{
cells.insert(cellI);
break;
}
}
}
label nCells = returnReduce(cells.size(), sumOp<label>());
if (nCells > 0)
{
Info<< " Illegal cells (less than 4 faces or out of range faces)"
<< " found, number of cells: " << nCells << endl;
noFailedChecks++;
Info<< " <<Writing " << nCells
<< " illegal cells to set " << cells.name() << endl;
cells.instance() = mesh.pointsInstance();
cells.write();
}
else
{
Info<< " Cell to face addressing OK." << endl;
}
}
{
pointSet points(mesh, "unusedPoints", mesh.nPoints()/100);
if (mesh.checkPoints(true, &points))
{
noFailedChecks++;
label nPoints = returnReduce(points.size(), sumOp<label>());
Info<< " <<Writing " << nPoints
<< " unused points to set " << points.name() << endl;
points.instance() = mesh.pointsInstance();
points.write();
}
}
{
faceSet faces(mesh, "upperTriangularFace", mesh.nFaces()/100);
if (mesh.checkUpperTriangular(true, &faces))
{
noFailedChecks++;
}
label nFaces = returnReduce(faces.size(), sumOp<label>());
if (nFaces > 0)
{
Info<< " <<Writing " << nFaces
<< " unordered faces to set " << faces.name() << endl;
faces.instance() = mesh.pointsInstance();
faces.write();
}
}
{
faceSet faces(mesh, "outOfRangeFaces", mesh.nFaces()/100);
if (mesh.checkFaceVertices(true, &faces))
{
noFailedChecks++;
label nFaces = returnReduce(faces.size(), sumOp<label>());
Info<< " <<Writing " << nFaces
<< " faces with out-of-range or duplicate vertices to set "
<< faces.name() << endl;
faces.instance() = mesh.pointsInstance();
faces.write();
}
}
if (allTopology)
{
cellSet cells(mesh, "zipUpCells", mesh.nCells()/100);
if (mesh.checkCellsZipUp(true, &cells))
{
noFailedChecks++;
label nCells = returnReduce(cells.size(), sumOp<label>());
Info<< " <<Writing " << nCells
<< " cells with over used edges to set " << cells.name()
<< endl;
cells.instance() = mesh.pointsInstance();
cells.write();
}
}
if (allTopology)
{
faceSet faces(mesh, "edgeFaces", mesh.nFaces()/100);
if (mesh.checkFaceFaces(true, &faces))
{
noFailedChecks++;
}
label nFaces = returnReduce(faces.size(), sumOp<label>());
if (nFaces > 0)
{
Info<< " <<Writing " << nFaces
<< " faces with non-standard edge connectivity to set "
<< faces.name() << endl;
faces.instance() = mesh.pointsInstance();
faces.write();
}
}
if (allTopology)
{
labelList nInternalFaces(mesh.nCells(), 0);
for (label faceI = 0; faceI < mesh.nInternalFaces(); faceI++)
{
nInternalFaces[mesh.faceOwner()[faceI]]++;
nInternalFaces[mesh.faceNeighbour()[faceI]]++;
}
const polyBoundaryMesh& patches = mesh.boundaryMesh();
forAll(patches, patchI)
{
if (patches[patchI].coupled())
{
const labelUList& owners = patches[patchI].faceCells();
forAll(owners, i)
{
nInternalFaces[owners[i]]++;
}
}
}
cellSet oneCells(mesh, "oneInternalFaceCells", mesh.nCells()/100);
cellSet twoCells(mesh, "twoInternalFacesCells", mesh.nCells()/100);
forAll(nInternalFaces, cellI)
{
if (nInternalFaces[cellI] <= 1)
{
oneCells.insert(cellI);
}
else if (nInternalFaces[cellI] == 2)
{
twoCells.insert(cellI);
}
}
label nOneCells = returnReduce(oneCells.size(), sumOp<label>());
if (nOneCells > 0)
{
Info<< " <<Writing " << nOneCells
<< " cells with zero or one non-boundary face to set "
<< oneCells.name()
<< endl;
oneCells.instance() = mesh.pointsInstance();
oneCells.write();
}
label nTwoCells = returnReduce(twoCells.size(), sumOp<label>());
if (nTwoCells > 0)
{
Info<< " <<Writing " << nTwoCells
<< " cells with two non-boundary faces to set "
<< twoCells.name()
<< endl;
twoCells.instance() = mesh.pointsInstance();
twoCells.write();
}
}
{
regionSplit rs(mesh);
if (rs.nRegions() <= 1)
{
Info<< " Number of regions: " << rs.nRegions() << " (OK)."
<< endl;
}
else
{
Info<< " *Number of regions: " << rs.nRegions() << endl;
Info<< " The mesh has multiple regions which are not connected "
"by any face." << endl
<< " <<Writing region information to "
<< mesh.time().timeName()/"cellToRegion"
<< endl;
labelIOList ctr
(
IOobject
(
"cellToRegion",
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
rs
);
ctr.write();
// write cellSet for each region
PtrList<cellSet> cellRegions(rs.nRegions());
for (label i = 0; i < rs.nRegions(); i++)
{
cellRegions.set
(
i,
new cellSet
(
mesh,
"region" + Foam::name(i),
mesh.nCells()/100
)
);
}
forAll(rs, i)
{
cellRegions[rs[i]].insert(i);
}
for (label i = 0; i < rs.nRegions(); i++)
{
Info<< " <<Writing region " << i << " with "
<< returnReduce(cellRegions[i].size(), sumOp<scalar>())
<< " cells to cellSet " << cellRegions[i].name() << endl;
cellRegions[i].write();
}
}
}
{
if (!Pstream::parRun())
{
Info<< "\nChecking patch topology for multiply connected"
<< " surfaces..." << endl;
}
else
{
Info<< "\nChecking basic patch addressing..." << endl;
}
const polyBoundaryMesh& patches = mesh.boundaryMesh();
// Non-manifold points
pointSet points
(
mesh,
"nonManifoldPoints",
mesh.nPoints()/1000
);
Pout.setf(ios_base::left);
Info<< " "
<< setw(20) << "Patch"
<< setw(9) << "Faces"
<< setw(9) << "Points";
if (!Pstream::parRun())
{
Info<< setw(34) << "Surface topology";
}
if (allGeometry)
{
Info<< " Bounding box";
}
Info<< endl;
forAll(patches, patchI)
{
const polyPatch& pp = patches[patchI];
if (!isA<processorPolyPatch>(pp))
{
Info<< " "
<< setw(20) << pp.name()
<< setw(9) << returnReduce(pp.size(), sumOp<label>())
<< setw(9) << returnReduce(pp.nPoints(), sumOp<label>());
if (!Pstream::parRun())
{
primitivePatch::surfaceTopo pTyp = pp.surfaceType();
if (pp.empty())
{
Info<< setw(34) << "ok (empty)";
}
else if (pTyp == primitivePatch::MANIFOLD)
{
if (pp.checkPointManifold(true, &points))
{
Info<< setw(34)
<< "multiply connected (shared point)";
}
else
{
Info<< setw(34) << "ok (closed singly connected)";
}
// Add points on non-manifold edges to make set complete
pp.checkTopology(false, &points);
}
else
{
pp.checkTopology(false, &points);
if (pTyp == primitivePatch::OPEN)
{
Info<< setw(34)
<< "ok (non-closed singly connected)";
}
else
{
Info<< setw(34)
<< "multiply connected (shared edge)";
}
}
}
if (allGeometry)
{
const pointField& pts = pp.points();
const labelList& mp = pp.meshPoints();
if (returnReduce(mp.size(), sumOp<label>()) > 0)
{
boundBox bb(point::max, point::min);
forAll(mp, i)
{
bb.min() = min(bb.min(), pts[mp[i]]);
bb.max() = max(bb.max(), pts[mp[i]]);
}
reduce(bb.min(), minOp<vector>());
reduce(bb.max(), maxOp<vector>());
Info<< ' ' << bb;
}
}
Info<< endl;
}
}
if (points.size())
{
Info<< " <<Writing " << returnReduce(points.size(), sumOp<label>())
<< " conflicting points to set "
<< points.name() << endl;
points.instance() = mesh.pointsInstance();
points.write();
}
//Info.setf(ios_base::right);
}
// Force creation of all addressing if requested.
// Errors will be reported as required
if (allTopology)
{
mesh.cells();
mesh.faces();
mesh.edges();
mesh.points();
mesh.faceOwner();
mesh.faceNeighbour();
mesh.cellCells();
mesh.edgeCells();
mesh.pointCells();
mesh.edgeFaces();
mesh.pointFaces();
mesh.cellEdges();
mesh.faceEdges();
mesh.pointEdges();
}
return noFailedChecks;
}
// ************************************************************************* //