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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 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 "channelIndex.H"
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class T>
Foam::Field<T> Foam::channelIndex::regionSum(const Field<T>& cellField) const
{
Field<T> regionField(cellRegion_().nRegions(), Zero);
forAll(cellRegion_(), celli)
{
regionField[cellRegion_()[celli]] += cellField[celli];
}
// Global sum
Pstream::listCombineGather(regionField, plusEqOp<T>());
Pstream::listCombineScatter(regionField);
return regionField;
}
template<class T>
Foam::Field<T> Foam::channelIndex::collapse
(
const Field<T>& cellField,
const bool asymmetric
) const
{
// Average and order
const Field<T> summedField(regionSum(cellField));
Field<T> regionField
(
summedField
/ regionCount_,
sortMap_
);
// Symmetry?
if (symmetric_)
{
label nlb2 = cellRegion_().nRegions()/2;
if (asymmetric)
{
for (label j=0; j<nlb2; j++)
{
regionField[j] =
0.5
* (
regionField[j]
- regionField[cellRegion_().nRegions() - j - 1]
);
}
}
else
{
for (label j=0; j<nlb2; j++)
{
regionField[j] =
0.5
* (
regionField[j]
+ regionField[cellRegion_().nRegions() - j - 1]
);
}
}
regionField.setSize(nlb2);
}
return regionField;
}
// ************************************************************************* //
|
