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|
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2012-2016 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 "searchableSurfaceSelection.H"
#include "addToRunTimeSelectionTable.H"
#include "syncTools.H"
#include "searchableSurface.H"
#include "fvMesh.H"
#include "Time.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace faceSelections
{
defineTypeNameAndDebug(searchableSurfaceSelection, 0);
addToRunTimeSelectionTable
(
faceSelection,
searchableSurfaceSelection,
dictionary
);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::faceSelections::searchableSurfaceSelection::searchableSurfaceSelection
(
const word& name,
const fvMesh& mesh,
const dictionary& dict
)
:
faceSelection(name, mesh, dict),
surfacePtr_
(
searchableSurface::New
(
word(dict.lookup("surface")),
IOobject
(
dict.lookupOrDefault("name", mesh.objectRegistry::db().name()),
mesh.time().constant(),
"triSurface",
mesh.objectRegistry::db(),
IOobject::MUST_READ,
IOobject::NO_WRITE
),
dict
)
)
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::faceSelections::searchableSurfaceSelection::~searchableSurfaceSelection()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::faceSelections::searchableSurfaceSelection::select
(
const label zoneID,
labelList& faceToZoneID,
boolList& faceToFlip
) const
{
// Get cell-cell centre vectors
pointField start(mesh_.nFaces());
pointField end(mesh_.nFaces());
// Internal faces
for (label facei = 0; facei < mesh_.nInternalFaces(); facei++)
{
start[facei] = mesh_.cellCentres()[mesh_.faceOwner()[facei]];
end[facei] = mesh_.cellCentres()[mesh_.faceNeighbour()[facei]];
}
// Boundary faces
vectorField neighbourCellCentres;
syncTools::swapBoundaryCellPositions
(
mesh_,
mesh_.cellCentres(),
neighbourCellCentres
);
const polyBoundaryMesh& pbm = mesh_.boundaryMesh();
forAll(pbm, patchi)
{
const polyPatch& pp = pbm[patchi];
if (pp.coupled())
{
forAll(pp, i)
{
label facei = pp.start()+i;
start[facei] = mesh_.cellCentres()[mesh_.faceOwner()[facei]];
end[facei] = neighbourCellCentres[facei-mesh_.nInternalFaces()];
}
}
else
{
forAll(pp, i)
{
label facei = pp.start()+i;
start[facei] = mesh_.cellCentres()[mesh_.faceOwner()[facei]];
end[facei] = mesh_.faceCentres()[facei];
}
}
}
List<pointIndexHit> hits;
surfacePtr_().findLine(start, end, hits);
pointField normals;
surfacePtr_().getNormal(hits, normals);
//- Note: do not select boundary faces.
for (label facei = 0; facei < mesh_.nInternalFaces(); facei++)
{
if (hits[facei].hit())
{
faceToZoneID[facei] = zoneID;
vector d = end[facei]-start[facei];
faceToFlip[facei] = ((normals[facei] & d) < 0);
}
}
forAll(pbm, patchi)
{
const polyPatch& pp = pbm[patchi];
if (pp.coupled())
{
forAll(pp, i)
{
label facei = pp.start()+i;
if (hits[facei].hit())
{
faceToZoneID[facei] = zoneID;
vector d = end[facei]-start[facei];
faceToFlip[facei] = ((normals[facei] & d) < 0);
}
}
}
}
faceSelection::select(zoneID, faceToZoneID, faceToFlip);
}
// ************************************************************************* //
|
