/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2023 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/>.

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

template<class FieldType>
void Foam::solvers::isothermalFilm::constrainField
(
    FieldType& field
) const
{
    typename FieldType::Boundary& fieldBf = field.boundaryFieldRef();

    forAll(wallPatchIDs, i)
    {
        const label patchi = wallPatchIDs[i];
        fieldBf[patchi] = Zero;
    }

    if (surfacePatchID != -1)
    {
        fieldBf[surfacePatchID] = Zero;
    }
}


template<class FieldType>
Foam::tmp<FieldType> Foam::solvers::isothermalFilm::constrainedField
(
    const FieldType& field
) const
{
    tmp<FieldType> tresult
    (
        FieldType::New
        (
            "constrained(" + field.name() + ')',
            field
        )
    );

    constrainField(tresult.ref());

    return tresult;
}


template<class FieldType>
Foam::tmp<FieldType> Foam::solvers::isothermalFilm::constrainedField
(
    const tmp<FieldType>& tfield
) const
{
    tmp<FieldType> tresult
    (
        FieldType::New
        (
            "constrained(" + tfield().name() + ')',
            tfield
        )
    );

    constrainField(tresult.ref());

    return tresult;
}


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