inclinedFilmNusseltHeightFvPatchScalarField.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2012-2015 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
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    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
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\*---------------------------------------------------------------------------*/
 
#include "inclinedFilmNusseltHeightFvPatchScalarField.H"
#include "volFields.H"
#include "kinematicSingleLayer.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::inclinedFilmNusseltHeightFvPatchScalarField::
inclinedFilmNusseltHeightFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedValueFvPatchScalarField(p, iF),
    filmRegionName_("surfaceFilmProperties"),
    GammaMean_(),
    a_(),
    omega_()
{}
 
 
Foam::inclinedFilmNusseltHeightFvPatchScalarField::
inclinedFilmNusseltHeightFvPatchScalarField
(
    const inclinedFilmNusseltHeightFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchScalarField(ptf, p, iF, mapper),
    filmRegionName_(ptf.filmRegionName_),
    GammaMean_(ptf.GammaMean_().clone().ptr()),
    a_(ptf.a_().clone().ptr()),
    omega_(ptf.omega_().clone().ptr())
{}
 
 
Foam::inclinedFilmNusseltHeightFvPatchScalarField::
inclinedFilmNusseltHeightFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchScalarField(p, iF),
    filmRegionName_
    (
        dict.lookupOrDefault<word>("filmRegion", "surfaceFilmProperties")
    ),
    GammaMean_(DataEntry<scalar>::New("GammaMean", dict)),
    a_(DataEntry<scalar>::New("a", dict)),
    omega_(DataEntry<scalar>::New("omega", dict))
{
    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
}
 
 
Foam::inclinedFilmNusseltHeightFvPatchScalarField::
inclinedFilmNusseltHeightFvPatchScalarField
(
    const inclinedFilmNusseltHeightFvPatchScalarField& wmfrhpsf
)
:
    fixedValueFvPatchScalarField(wmfrhpsf),
    filmRegionName_(wmfrhpsf.filmRegionName_),
    GammaMean_(wmfrhpsf.GammaMean_().clone().ptr()),
    a_(wmfrhpsf.a_().clone().ptr()),
    omega_(wmfrhpsf.omega_().clone().ptr())
{}
 
 
Foam::inclinedFilmNusseltHeightFvPatchScalarField::
inclinedFilmNusseltHeightFvPatchScalarField
(
    const inclinedFilmNusseltHeightFvPatchScalarField& wmfrhpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedValueFvPatchScalarField(wmfrhpsf, iF),
    filmRegionName_(wmfrhpsf.filmRegionName_),
    GammaMean_(wmfrhpsf.GammaMean_().clone().ptr()),
    a_(wmfrhpsf.a_().clone().ptr()),
    omega_(wmfrhpsf.omega_().clone().ptr())
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::inclinedFilmNusseltHeightFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const label patchI = patch().index();
 
    // retrieve the film region from the database
 
    const regionModels::regionModel& region =
        db().time().lookupObject<regionModels::regionModel>(filmRegionName_);
 
    const regionModels::surfaceFilmModels::kinematicSingleLayer& film =
        dynamic_cast
        <
            const regionModels::surfaceFilmModels::kinematicSingleLayer&
        >(region);
 
    // calculate the vector tangential to the patch
 
    // note: normal pointing into the domain
    const vectorField n(-patch().nf());
 
    const scalarField gTan(film.gTan(patchI) & n);
 
    if (patch().size() && (max(mag(gTan)) < SMALL))
    {
        WarningInFunction
            << "is designed to operate on patches inclined with respect to "
            << "gravity"
            << endl;
    }
 
    const volVectorField& nHat = film.nHat();
 
    const vectorField nHatp(nHat.boundaryField()[patchI].patchInternalField());
 
    vectorField nTan(nHatp ^ n);
    nTan /= mag(nTan) + ROOTVSMALL;
 
    // calculate distance in patch tangential direction
 
    const vectorField& Cf = patch().Cf();
    scalarField d(nTan & Cf);
 
    // calculate the wavy film height
 
    const scalar t = db().time().timeOutputValue();
 
    const scalar GMean = GammaMean_->value(t);
    const scalar a = a_->value(t);
    const scalar omega = omega_->value(t);
 
    const scalarField G(GMean + a*sin(omega*constant::mathematical::twoPi*d));
 
    const volScalarField& mu = film.mu();
    const scalarField mup(mu.boundaryField()[patchI].patchInternalField());
 
    const volScalarField& rho = film.rho();
    const scalarField rhop(rho.boundaryField()[patchI].patchInternalField());
 
    const scalarField Re(max(G, scalar(0.0))/mup);
 
    operator==
    (
        pow(3.0*sqr(mup/rhop)/(gTan + ROOTVSMALL), 0.333)*pow(Re, 0.333)
    );
 
    fixedValueFvPatchScalarField::updateCoeffs();
}
 
 
void Foam::inclinedFilmNusseltHeightFvPatchScalarField::write
(
    Ostream& os
) const
{
    fixedValueFvPatchScalarField::write(os);
    writeEntryIfDifferent<word>
    (
        os,
        "filmRegion",
        "surfaceFilmProperties",
        filmRegionName_
    );
    GammaMean_->writeData(os);
    a_->writeData(os);
    omega_->writeData(os);
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        inclinedFilmNusseltHeightFvPatchScalarField
    );
}
 
 
// ************************************************************************* //