MapFaAreaField.H

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-------------------------------------------------------------------------------
    Copyright (C) 2016-2017 Wikki Ltd
-------------------------------------------------------------------------------
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/>.
 
Class
    Foam::MapFaAreaField
 
Description
    Map area internal field on topology change.  This is a partial
    template specialisation, see MapGeometricFields.
 
Author
    Zeljko Tukovic, FMENA
    Hrvoje Jasak, Wikki Ltd.
 
\*---------------------------------------------------------------------------*/
 
#ifndef MapFaAreaField_H
#define MapFaAreaField_H
 
#include "Field.H"
#include "areaFaMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
template<class Type, class MeshMapper>
class MapInternalField<Type, MeshMapper, areaMesh>
{
public:
 
    MapInternalField()
    {}
 
    void operator()
    (
        Field<Type>& field,
        const MeshMapper& mapper
    ) const;
};
 
 
template<class Type, class MeshMapper>
void MapInternalField<Type, MeshMapper, areaMesh>::operator()
(
    Field<Type>& field,
    const MeshMapper& mapper
) const
{
    if (field.size() != mapper.areaMap().sizeBeforeMapping())
    {
        FatalErrorInFunction
           << "Incompatible size before mapping.  Field size: " << field.size()
           << " map size: " << mapper.areaMap().sizeBeforeMapping()
           << abort(FatalError);
    }
 
    field.autoMap(mapper.areaMap());
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //