/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     |
    \\  /    A nd           | For copyright notice see file Copyright
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of foam-extend.

    foam-extend 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.

    foam-extend 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 foam-extend.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "constantThermalGap.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(constantThermalGap, 0);
    addToRunTimeSelectionTable(thermalGap, constantThermalGap, dictionary);
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

// Construct from dictionary
Foam::constantThermalGap::constantThermalGap
(
    const word& name,
    const volScalarField& T,
    const dictionary& dict
)
:
    thermalGap(name, T, dict),
    beta_(dict.lookup("beta")),
    zones_(dict.lookup("zones"))
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::constantThermalGap::~constantThermalGap()
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void Foam::constantThermalGap::modifyResistance(surfaceScalarField& DT) const
{
    forAll(zones_, zoneI)
    {
        const label zoneID = mesh().faceZones().findZoneID(zones_[zoneI]);

        if ( zoneID < 0 )
        {
            FatalErrorIn
            (
                "constantThermalGap::modifyResistance()\n"
            )   << "Zone " << zones_[zoneI]
                << " specified in gap " << name()
                << " does not exist"
                << abort(FatalError);
        }

        const labelList& faces = mesh().faceZones()[zoneID];

        forAll(faces, faceI)
        {
            label fI = faces[faceI];
            if(fI < mesh().nInternalFaces())
            {
                DT[fI] = beta_.value();
            }
            else
            {
                const label patchI = mesh().boundaryMesh().whichPatch(fI);
                fI -= mesh().boundaryMesh()[patchI].start();
                DT.boundaryField()[patchI][fI] = beta_.value();
            }
        }
    }
}


// ************************************************************************* //