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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 "findRefCell.H"
#include "meshSearch.H"
// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
bool Foam::setRefCell
(
const volScalarField& field,
const volScalarField& fieldRef,
const dictionary& dict,
label& refCelli,
scalar& refValue,
const bool forceReference
)
{
if (fieldRef.needReference() || forceReference)
{
word refCellName = field.name() + "RefCell";
word refPointName = field.name() + "RefPoint";
word refValueName = field.name() + "RefValue";
if (dict.found(refCellName))
{
if (Pstream::master())
{
refCelli = dict.lookup<label>(refCellName);
if (refCelli < 0 || refCelli >= field.mesh().nCells())
{
FatalIOErrorInFunction
(
dict
) << "Illegal master cellID " << refCelli
<< ". Should be 0.." << field.mesh().nCells()
<< exit(FatalIOError);
}
}
else
{
refCelli = -1;
}
}
else if (dict.found(refPointName))
{
point refPointi(dict.lookup(refPointName));
// Try a linear search with approximate face-planes test to avoid
// octree and tet-base-point construction
refCelli =
meshSearch::findCellNoTree
(
field.mesh(),
refPointi,
pointInCellShapes::facePlanes
);
label hasRef = (refCelli >= 0 ? 1 : 0);
label sumHasRef = returnReduce<label>(hasRef, sumOp());
// If a reference cell was not found then use a robust cell-tet
// test with an octree search
if (sumHasRef != 1)
{
refCelli = meshSearch::New(field.mesh()).findCell(refPointi);
hasRef = (refCelli >= 0 ? 1 : 0);
sumHasRef = returnReduce<label>(hasRef, sumOp());
}
if (sumHasRef != 1)
{
FatalIOErrorInFunction
(
dict
) << "Unable to set reference cell for field " << field.name()
<< nl << " Reference point " << refPointName
<< " " << refPointi
<< " found on " << sumHasRef << " domains (should be one)"
<< nl << exit(FatalIOError);
}
}
else
{
FatalIOErrorInFunction
(
dict
) << "Unable to set reference cell for field " << field.name()
<< nl
<< " Please supply either " << refCellName
<< " or " << refPointName << nl << exit(FatalIOError);
}
refValue = dict.lookup<scalar>(refValueName);
return true;
}
else
{
return false;
}
}
bool Foam::setRefCell
(
const volScalarField& field,
const dictionary& dict,
label& refCelli,
scalar& refValue,
const bool forceReference
)
{
return setRefCell(field, field, dict, refCelli, refValue, forceReference);
}
Foam::scalar Foam::getRefCellValue
(
const volScalarField& field,
const label refCelli
)
{
scalar refCellValue = (refCelli >= 0 ? field[refCelli] : 0.0);
return returnReduce(refCellValue, sumOp());
}
// ************************************************************************* //
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