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foam-extend4.1-coherent-io/applications/utilities/mesh/generation/blockMesh/createTopology.C

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C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "blockMesh.H"
#include "Time.H"
#include "preservePatchTypes.H"
#include "emptyPolyPatch.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
bool Foam::blockMesh::blockLabelsOK
(
const label blockLabel,
const pointField& points,
const cellShape& blockShape
)
{
bool ok = true;
for (int i=0; i<blockShape.size(); i++)
{
if (blockShape[i] < 0)
{
ok = false;
WarningIn
(
"bool Foam::blockMesh::blockLabelsOK"
"(const label blockLabel, const pointField& points, "
"const cellShape& blockShape)"
) << "block " << blockLabel
<< " point label " << blockShape[i]
<< " less than zero" << endl;
}
else if (blockShape[i] >= points.size())
{
ok = false;
WarningIn
(
"bool Foam::blockMesh::blockLabelsOK"
"(const label blockLabel, const pointField& points, "
"const cellShape& blockShape)"
) << "block " << blockLabel
<< " point label " << blockShape[i]
<< " larger than " << points.size() - 1
<< " the largest defined point label" << endl;
}
}
return ok;
}
bool Foam::blockMesh::patchLabelsOK
(
const label patchLabel,
const pointField& points,
const faceList& patchFaces
)
{
bool ok = true;
for (label facei=0; facei<patchFaces.size(); facei++)
{
const labelList& labels = patchFaces[facei];
for (int i=0; i<labels.size(); i++)
{
if (labels[i] < 0)
{
ok = false;
WarningIn
(
"bool Foam::blockMesh::patchLabelsOK"
"(const label patchLabel, const pointField& points, "
"const faceList& patchFaces)"
) << "patch " << patchLabel
<< " face " << facei
<< " point label " << labels[i]
<< " less than zero" << endl;
}
else if (labels[i] >= points.size())
{
ok = false;
WarningIn
(
"bool Foam::blockMesh::patchLabelsOK"
"(const label patchLabel, const pointField& points, "
"const faceList& patchFaces)"
) << "patch " << patchLabel
<< " face " << facei
<< " point label " << labels[i]
<< " larger than " << points.size() - 1
<< " the largest defined point label" << endl;
}
}
}
return ok;
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
Foam::polyMesh* Foam::blockMesh::createTopology(IOdictionary& meshDescription)
{
bool topologyOK = true;
blockMesh& blocks = *this;
word defaultPatchName = "defaultFaces";
word defaultPatchType = emptyPolyPatch::typeName;
// get names and types for the unassigned patch faces
if (meshDescription.found("defaultPatch"))
{
const dictionary& defaultPatch =
meshDescription.subDict("defaultPatch");
// this is a bit heavy handed (and ugly), but there is currently
// no easy way to rename polyMesh patches subsequently
if (defaultPatch.found("name"))
{
defaultPatch.lookup("name") >> defaultPatchName;
}
if (defaultPatch.found("type"))
{
defaultPatch.lookup("type") >> defaultPatchType;
}
}
Info<< nl << "Creating blockCorners" << endl;
// create blockCorners
pointField tmpBlockPoints(meshDescription.lookup("vertices"));
if (meshDescription.found("edges"))
{
// read number of non-linear edges in mesh
Info<< nl << "Creating curved edges" << endl;
ITstream& edgesStream(meshDescription.lookup("edges"));
label nEdges = 0;
token firstToken(edgesStream);
if (firstToken.isLabel())
{
nEdges = firstToken.labelToken();
edges_.setSize(nEdges);
}
else
{
edgesStream.putBack(firstToken);
}
// Read beginning of edges
edgesStream.readBegin("edges");
nEdges = 0;
token lastToken(edgesStream);
while
(
!(
lastToken.isPunctuation()
&& lastToken.pToken() == token::END_LIST
)
)
{
if (edges_.size() <= nEdges)
{
edges_.setSize(nEdges + 1);
}
edgesStream.putBack(lastToken);
edges_.set
(
nEdges,
curvedEdge::New(tmpBlockPoints, edgesStream)
);
nEdges++;
edgesStream >> lastToken;
}
edgesStream.putBack(lastToken);
// Read end of edges
edgesStream.readEnd("edges");
}
else
{
Info<< nl << "There are no non-linear edges" << endl;
}
Info<< nl << "Creating blocks" << endl;
{
ITstream& blockDescriptorStream(meshDescription.lookup("blocks"));
// read number of blocks in mesh
label nBlocks = 0;
token firstToken(blockDescriptorStream);
if (firstToken.isLabel())
{
nBlocks = firstToken.labelToken();
blocks.setSize(nBlocks);
}
else
{
blockDescriptorStream.putBack(firstToken);
}
// Read beginning of blocks
blockDescriptorStream.readBegin("blocks");
nBlocks = 0;
token lastToken(blockDescriptorStream);
while
(
!(
lastToken.isPunctuation()
&& lastToken.pToken() == token::END_LIST
)
)
{
if (blocks.size() <= nBlocks)
{
blocks.setSize(nBlocks + 1);
}
blockDescriptorStream.putBack(lastToken);
blocks.set
(
nBlocks,
new block
(
blockDescriptor
(
tmpBlockPoints,
edges_,
blockDescriptorStream
)
)
);
topologyOK = topologyOK && blockLabelsOK
(
nBlocks,
tmpBlockPoints,
blocks[nBlocks].blockDef().blockShape()
);
nBlocks++;
blockDescriptorStream >> lastToken;
}
blockDescriptorStream.putBack(lastToken);
// Read end of blocks
blockDescriptorStream.readEnd("blocks");
}
Info<< nl << "Creating patches" << endl;
faceListList tmpBlocksPatches;
wordList patchNames;
wordList patchTypes;
{
ITstream& patchStream(meshDescription.lookup("patches"));
// read number of patches in mesh
label nPatches = 0;
token firstToken(patchStream);
if (firstToken.isLabel())
{
nPatches = firstToken.labelToken();
tmpBlocksPatches.setSize(nPatches);
patchNames.setSize(nPatches);
patchTypes.setSize(nPatches);
}
else
{
patchStream.putBack(firstToken);
}
// Read beginning of blocks
patchStream.readBegin("patches");
nPatches = 0;
token lastToken(patchStream);
while
(
!(
lastToken.isPunctuation()
&& lastToken.pToken() == token::END_LIST
)
)
{
if (tmpBlocksPatches.size() <= nPatches)
{
tmpBlocksPatches.setSize(nPatches + 1);
patchNames.setSize(nPatches + 1);
patchTypes.setSize(nPatches + 1);
}
patchStream.putBack(lastToken);
patchStream
>> patchTypes[nPatches]
>> patchNames[nPatches]
>> tmpBlocksPatches[nPatches];
// Catch multiple patches asap.
for (label i = 0; i < nPatches; i++)
{
if (patchNames[nPatches] == patchNames[i])
{
FatalErrorIn
(
"blockMesh::createTopology(IOdictionary&)"
) << "Duplicate patch " << patchNames[nPatches]
<< " at line " << patchStream.lineNumber()
<< ". Exiting !" << nl
<< exit(FatalError);
}
}
topologyOK = topologyOK && patchLabelsOK
(
nPatches,
tmpBlockPoints,
tmpBlocksPatches[nPatches]
);
nPatches++;
patchStream >> lastToken;
}
patchStream.putBack(lastToken);
// Read end of blocks
patchStream.readEnd("patches");
}
if (!topologyOK)
{
FatalErrorIn("blockMesh::createTopology(IOdictionary&)")
<< "Cannot create mesh due to errors in topology, exiting !" << nl
<< exit(FatalError);
}
Info<< nl << "Creating block mesh topology" << endl;
PtrList<cellShape> tmpBlockCells(blocks.size());
forAll(blocks, blockLabel)
{
tmpBlockCells.set
(
blockLabel,
new cellShape(blocks[blockLabel].blockDef().blockShape())
);
if (tmpBlockCells[blockLabel].mag(tmpBlockPoints) < 0.0)
{
WarningIn
(
"blockMesh::createTopology(IOdictionary&)"
) << "negative volume block : " << blockLabel
<< ", probably defined inside-out" << endl;
}
}
wordList patchPhysicalTypes(tmpBlocksPatches.size());
preservePatchTypes
(
meshDescription.time(),
meshDescription.time().constant(),
polyMesh::meshSubDir,
patchNames,
patchTypes,
defaultPatchName,
defaultPatchType,
patchPhysicalTypes
);
polyMesh* blockMeshPtr = new polyMesh
(
IOobject
(
"blockMesh",
meshDescription.time().constant(),
meshDescription.time(),
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
tmpBlockPoints,
tmpBlockCells,
tmpBlocksPatches,
patchNames,
patchTypes,
defaultPatchName,
defaultPatchType,
patchPhysicalTypes
);
checkBlockMesh(*blockMeshPtr);
return blockMeshPtr;
}
// ************************************************************************* //