Files
OpenFOAM-12/src/dynamicMesh/attachDetach/attachDetachPointMatchMap.C
2018-07-06 21:42:54 +01:00

135 lines
4.3 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2018 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 "attachDetach.H"
#include "polyMesh.H"
#include "primitiveMesh.H"
#include "primitiveFacePatch.H"
#include "polyTopoChanger.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
const Foam::Map<Foam::label>&
Foam::attachDetach::pointMatchMap() const
{
if (!pointMatchMapPtr_)
{
calcPointMatchMap();
}
return *pointMatchMapPtr_;
}
void Foam::attachDetach::calcPointMatchMap() const
{
if (debug)
{
Pout<< "void attachDetach::calcPointMatchMap() const "
<< " for object " << name() << " : "
<< "Calculating point matching" << endl;
}
if (pointMatchMapPtr_)
{
FatalErrorInFunction
<< "Point match map already calculated for object " << name()
<< abort(FatalError);
}
const polyMesh& mesh = topoChanger().mesh();
const faceList& faces = mesh.faces();
const polyPatch& masterPatch = mesh.boundaryMesh()[masterPatchID_.index()];
const polyPatch& slavePatch = mesh.boundaryMesh()[slavePatchID_.index()];
// Create the reverse patch out of the slave patch
primitiveFacePatch reverseSlavePatch
(
faceList(slavePatch.size()),
mesh.points()
);
const label slavePatchStart = slavePatch.start();
forAll(reverseSlavePatch, facei)
{
reverseSlavePatch[facei] =
faces[slavePatchStart + facei].reverseFace();
}
// Create point merge list and remove merged points
const labelList& masterMeshPoints = masterPatch.meshPoints();
const labelList& slaveMeshPoints = reverseSlavePatch.meshPoints();
const faceList& masterLocalFaces = masterPatch.localFaces();
const faceList& slaveLocalFaces = reverseSlavePatch.localFaces();
pointMatchMapPtr_ = new Map<label>(2*slaveMeshPoints.size());
Map<label>& removedPointMap = *pointMatchMapPtr_;
forAll(masterLocalFaces, facei)
{
const face& curMasterPoints = masterLocalFaces[facei];
const face& curSlavePoints = slaveLocalFaces[facei];
forAll(curMasterPoints, pointi)
{
// If the master and slave point labels are the same, the
// point remains. Otherwise, the slave point is removed and
// replaced by the master
if
(
masterMeshPoints[curMasterPoints[pointi]]
!= slaveMeshPoints[curSlavePoints[pointi]]
)
{
// Pout<< "Matching slave point "
// << slaveMeshPoints[curSlavePoints[pointi]]
// << " with "
// << masterMeshPoints[curMasterPoints[pointi]]
// << endl;
// Grab the addressing
removedPointMap.insert
(
slaveMeshPoints[curSlavePoints[pointi]],
masterMeshPoints[curMasterPoints[pointi]]
);
}
}
}
if (debug)
{
Pout<< "void attachDetach::calcPointMatchMap() const "
<< " for object " << name() << " : "
<< "Finished calculating point matching" << endl;
}
}
// ************************************************************************* //