139 lines
4.2 KiB
C
139 lines
4.2 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | foam-extend: Open Source CFD
|
|
\\ / O peration | Version: 3.2
|
|
\\ / A nd | Web: http://www.foam-extend.org
|
|
\\/ M anipulation | For copyright notice see file Copyright
|
|
-------------------------------------------------------------------------------
|
|
License
|
|
This file is part of foam-extend.
|
|
|
|
foam-extend 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.
|
|
|
|
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Description
|
|
Create intermediate mesh files from PROSTAR files
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "starMesh.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
void starMesh::calcPointCells() const
|
|
{
|
|
const static label UNIT_POINT_CELLS = 12;
|
|
|
|
if (pointCellsPtr_)
|
|
{
|
|
FatalErrorIn("starMesh::calcPointCells() const")
|
|
<< "pointCells already calculated"
|
|
<< abort(FatalError);
|
|
}
|
|
|
|
|
|
pointCellsPtr_ = new labelListList(points_.size());
|
|
|
|
labelListList& pc = *pointCellsPtr_;
|
|
|
|
forAll(pc, i)
|
|
{
|
|
pc[i].setSize(UNIT_POINT_CELLS);
|
|
}
|
|
|
|
// Initialise the list of labels which will hold the count the
|
|
// actual number of cells per point during the analysis
|
|
labelList cellCount(points_.size());
|
|
|
|
forAll(cellCount, i)
|
|
{
|
|
cellCount[i] = 0;
|
|
}
|
|
|
|
// Note. Unlike the standard point-cell algorithm, which asks the cell for
|
|
// the supporting point labels, we need to work based on the cell faces.
|
|
// This is because some of the faces for meshes with arbitrary interfaces
|
|
// do not come from the cell shape, but from the slaves of the coupled
|
|
// match. It is also adventageous to remove the duplicates from the
|
|
// point-cell addressing, because this removes a lot of waste later.
|
|
//
|
|
|
|
// For each cell
|
|
forAll(cellShapes_, cellI)
|
|
{
|
|
const faceList& faces = cellFaces_[cellI];
|
|
|
|
forAll (faces, i)
|
|
{
|
|
// For each vertex
|
|
const labelList& labels = faces[i];
|
|
|
|
forAll(labels, j)
|
|
{
|
|
// Set working point label
|
|
label curPoint = labels[j];
|
|
labelList& curPointCells = pc[curPoint];
|
|
label curCount = cellCount[curPoint];
|
|
|
|
// check if the cell has been added before
|
|
bool found = false;
|
|
|
|
for (label f = 0; f < curCount; f++)
|
|
{
|
|
if (curPointCells[f] == cellI)
|
|
{
|
|
found = true;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
|
|
// If the list of pointCells is not big enough, double it
|
|
if (curPointCells.size() <= curCount)
|
|
{
|
|
curPointCells.setSize(curPointCells.size()*2);
|
|
}
|
|
|
|
// Enter the cell label in the point's cell list
|
|
curPointCells[curCount] = cellI;
|
|
|
|
// Increment the cell count for the point addressed
|
|
cellCount[curPoint]++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Finally, truncate the lists made to their active size
|
|
forAll(pc, i)
|
|
{
|
|
pc[i].setSize(cellCount[i]);
|
|
}
|
|
}
|
|
|
|
|
|
const labelListList& starMesh::pointCells() const
|
|
{
|
|
if (!pointCellsPtr_)
|
|
{
|
|
calcPointCells();
|
|
}
|
|
|
|
return *pointCellsPtr_;
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|