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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 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 "patchDistWave.H"
#include "FaceCellWave.H"
#include "wallPoint.H"
#include "WallInfo.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Foam::labelList Foam::patchDistWave::getChangedFaces
(
const polyMesh& mesh,
const labelHashSet& patchIDs
)
{
label nChangedFaces = 0;
forAllConstIter(labelHashSet, patchIDs, iter)
{
nChangedFaces += mesh.boundary()[iter.key()].size();
}
labelList changedFaces(nChangedFaces);
label changedFacei = 0;
forAllConstIter(labelHashSet, patchIDs, iter)
{
const label patchi = iter.key();
const polyPatch& patch = mesh.boundary()[patchi];
forAll(patch.faceCentres(), patchFacei)
{
const label meshFacei = patch.start() + patchFacei;
changedFaces[changedFacei] = meshFacei;
changedFacei++;
}
}
return changedFaces;
}
Foam::label Foam::patchDistWave::wave
(
const polyMesh& mesh,
const labelList& changedFaces,
scalarField& cellDistance
)
{
// Initialise changedFacesInfo to face centres on patches
List<WallInfo<wallPoint>> changedFacesInfo(changedFaces.size());
forAll(changedFaces, changedFacei)
{
const label facei = changedFaces[changedFacei];
changedFacesInfo[changedFacei] =
WallInfo<wallPoint>(mesh.faceCentres()[facei], scalar(0));
}
// Do calculate patch distance by 'growing' from faces.
List<WallInfo<wallPoint>> faceInfo(mesh.nFaces()), cellInfo(mesh.nCells());
FaceCellWave<WallInfo<wallPoint>> wave
(
mesh,
changedFaces,
changedFacesInfo,
faceInfo,
cellInfo,
mesh.globalData().nTotalCells() + 1 // max iterations
);
// Copy distances into field
label nUnset = 0;
forAll(cellInfo, celli)
{
nUnset += !cellInfo[celli].valid(wave.data());
cellDistance[celli] = cellInfo[celli].dist(wave.data());
}
return nUnset;
}
Foam::label Foam::patchDistWave::calculate
(
const polyMesh& mesh,
const labelHashSet& patchIDs,
scalarField& cellDistance
)
{
return wave(mesh, getChangedFaces(mesh, patchIDs), cellDistance);
}
// ************************************************************************* //
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