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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2017-2026 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 "EDC.H"
#include "addToRunTimeSelectionTable.H"

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

const Foam::NamedEnum<Foam::reactionModels::EDCversions, 4>
Foam::reactionModels::EDCversionNames
{"v1981", "v1996", "v2005", "v2016"};

const Foam::reactionModels::EDCversions
    Foam::reactionModels::EDCdefaultVersion =
    Foam::reactionModels::EDCversions::v2005;

namespace Foam
{
namespace reactionModels
{
    defineTypeNameAndDebug(EDC, 0);
    addToRunTimeSelectionTable(reactionModel, EDC, dictionary);
}
}

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

Foam::reactionModels::EDC::EDC
(
    const word& modelType,
    const fluidMulticomponentThermo& thermo,
    const compressibleMomentumTransportModel& turb,
    const word& reactionProperties
)
:
    reactionModel(modelType, thermo, turb, reactionProperties),
    version_
    (
        EDCversionNames
        [
            this->coeffs().lookupOrDefault
            (
                "version",
                word(EDCversionNames[EDCdefaultVersion])
            )
        ]
    ),
    C1_(this->coeffs().lookupOrDefault("C1", 0.05774)),
    C2_(this->coeffs().lookupOrDefault("C2", 0.5)),
    Cgamma_(this->coeffs().lookupOrDefault("Cgamma", 2.1377)),
    Ctau_(this->coeffs().lookupOrDefault("Ctau", 0.4083)),
    exp1_(this->coeffs().lookupOrDefault("exp1", EDCexp1[int(version_)])),
    exp2_(this->coeffs().lookupOrDefault("exp2", EDCexp2[int(version_)])),
    kappa_
    (
        IOobject
        (
            this->thermo().phasePropertyName(typedName("kappa")),
            this->mesh().time().name(),
            this->mesh(),
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        this->mesh(),
        dimensionedScalar(dimless, 0)
    ),
    outerCorrect_
    (
        this->coeffs().lookupOrDefault("outerCorrect", true)
    ),
    timeIndex_(-1),
    chemistryPtr_(chemistryModel::New(thermo))
{}


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

Foam::reactionModels::EDC::~EDC()
{}


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

void Foam::reactionModels::EDC::correct()
{
    if (!outerCorrect_ && timeIndex_ == this->mesh().time().timeIndex())
    {
        return;
    }

    tmp<volScalarField> tepsilon(this->turbulence().epsilon());
    const volScalarField& epsilon = tepsilon();

    tmp<volScalarField> tnu(this->turbulence().nu());
    const volScalarField& nu = tnu();

    tmp<volScalarField> tk(this->turbulence().k());
    const volScalarField& k = tk();

    scalarField tauStar(epsilon.size(), 0);

    if (version_ == EDCversions::v2016)
    {
        tmp<volInternalScalarField> ttc(chemistryPtr_->tc());
        const volInternalScalarField& tc = ttc();

        forAll(tauStar, i)
        {
            const scalar Da =
                max(min(sqrt(nu[i]/(epsilon[i] + small))/tc[i], 10), 1e-10);

            const scalar ReT = sqr(k[i])/(nu[i]*epsilon[i] + small);
            const scalar CtauI = min(C1_/(Da*sqrt(ReT + 1)), Ctau_);

            const scalar CgammaI =
                max(min(C2_*sqrt(Da*(ReT + 1)), 5), Cgamma_);

            const scalar gammaL =
                CgammaI*pow025(nu[i]*epsilon[i]/(sqr(k[i]) + small));

            tauStar[i] = CtauI*sqrt(nu[i]/(epsilon[i] + small));

            if (gammaL >= 1)
            {
                kappa_[i] = 1;
            }
            else
            {
                kappa_[i] =
                    max
                    (
                        min
                        (
                            pow(gammaL, exp1_)/(1 - pow(gammaL, exp2_)),
                            1
                        ),
                        0
                    );
            }
        }
    }
    else
    {
        forAll(tauStar, i)
        {
            const scalar gammaL =
                Cgamma_*pow025(nu[i]*epsilon[i]/(sqr(k[i]) + small));

            tauStar[i] = Ctau_*sqrt(nu[i]/(epsilon[i] + small));
            if (gammaL >= 1)
            {
                kappa_[i] = 1;
            }
            else
            {
                kappa_[i] =
                    max
                    (
                        min
                        (
                            pow(gammaL, exp1_)/(1 - pow(gammaL, exp2_)),
                            1
                        ),
                        0
                    );
            }
        }
    }

    chemistryPtr_->solve(tauStar);

    timeIndex_ = this->mesh().time().timeIndex();
}


Foam::tmp<Foam::volInternalScalarField>
Foam::reactionModels::EDC::R(const label speciei) const
{
    return kappa_()*chemistryPtr_->RR()[speciei];
}


Foam::tmp<Foam::fvScalarMatrix>
Foam::reactionModels::EDC::R(volScalarField& Y) const
{
    tmp<fvScalarMatrix> tSu
    (
        new fvScalarMatrix(Y, dimensions::mass/dimensions::time)
    );
    fvScalarMatrix& Su = tSu.ref();

    const label speciei = this->thermo().species()[Y.member()];
    Su += chemistryPtr_->RR()[speciei];

    return kappa_*tSu;
}


Foam::tmp<Foam::volInternalScalarField>
Foam::reactionModels::EDC::Qdot() const
{
    return volInternalScalarField::New
    (
        this->thermo().phasePropertyName(typedName("Qdot")),
        kappa_()*chemistryPtr_->Qdot()
    );
}


bool Foam::reactionModels::EDC::read()
{
    if (reactionModel::read())
    {
        version_ =
        (
            EDCversionNames
            [
                this->coeffs().lookupOrDefault
                (
                    "version",
                    word(EDCversionNames[EDCdefaultVersion])
                )
            ]
        );
        C1_ = this->coeffs().lookupOrDefault("C1", 0.05774);
        C2_ = this->coeffs().lookupOrDefault("C2", 0.5);
        Cgamma_ = this->coeffs().lookupOrDefault("Cgamma", 2.1377);
        Ctau_ = this->coeffs().lookupOrDefault("Ctau", 0.4083);
        exp1_ = this->coeffs().lookupOrDefault("exp1", EDCexp1[int(version_)]);
        exp2_ = this->coeffs().lookupOrDefault("exp2", EDCexp2[int(version_)]);
        outerCorrect_ = this->coeffs().lookupOrDefault("outerCorrect", true);

        return true;
    }
    else
    {
        return false;
    }
}


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

	/---------------------------------------------------------------------------\
	========= \|
	\\ / F ield \| OpenFOAM: The Open Source CFD Toolbox
	\\ / O peration \| Website: https://openfoam.org
	\\ / A nd \| Copyright (C) 2017-2026 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 "EDC.H"
	#include "addToRunTimeSelectionTable.H"

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

	const Foam::NamedEnum<Foam::reactionModels::EDCversions, 4>
	Foam::reactionModels::EDCversionNames
	{"v1981", "v1996", "v2005", "v2016"};

	const Foam::reactionModels::EDCversions
	Foam::reactionModels::EDCdefaultVersion =
	Foam::reactionModels::EDCversions::v2005;

	namespace Foam
	{
	namespace reactionModels
	{
	defineTypeNameAndDebug(EDC, 0);
	addToRunTimeSelectionTable(reactionModel, EDC, dictionary);
	}
	}

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

	Foam::reactionModels::EDC::EDC
	(
	const word& modelType,
	const fluidMulticomponentThermo& thermo,
	const compressibleMomentumTransportModel& turb,
	const word& reactionProperties
	)
	:
	reactionModel(modelType, thermo, turb, reactionProperties),
	version_
	(
	EDCversionNames
	[
	this->coeffs().lookupOrDefault
	(
	"version",
	word(EDCversionNames[EDCdefaultVersion])
	)
	]
	),
	C1_(this->coeffs().lookupOrDefault("C1", 0.05774)),
	C2_(this->coeffs().lookupOrDefault("C2", 0.5)),
	Cgamma_(this->coeffs().lookupOrDefault("Cgamma", 2.1377)),
	Ctau_(this->coeffs().lookupOrDefault("Ctau", 0.4083)),
	exp1_(this->coeffs().lookupOrDefault("exp1", EDCexp1[int(version_)])),
	exp2_(this->coeffs().lookupOrDefault("exp2", EDCexp2[int(version_)])),
	kappa_
	(
	IOobject
	(
	this->thermo().phasePropertyName(typedName("kappa")),
	this->mesh().time().name(),
	this->mesh(),
	IOobject::NO_READ,
	IOobject::AUTO_WRITE
	),
	this->mesh(),
	dimensionedScalar(dimless, 0)
	),
	outerCorrect_
	(
	this->coeffs().lookupOrDefault("outerCorrect", true)
	),
	timeIndex_(-1),
	chemistryPtr_(chemistryModel::New(thermo))
	{}


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

	Foam::reactionModels::EDC::~EDC()
	{}


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

	void Foam::reactionModels::EDC::correct()
	{
	if (!outerCorrect_ && timeIndex_ == this->mesh().time().timeIndex())
	{
	return;
	}

	tmp<volScalarField> tepsilon(this->turbulence().epsilon());
	const volScalarField& epsilon = tepsilon();

	tmp<volScalarField> tnu(this->turbulence().nu());
	const volScalarField& nu = tnu();

	tmp<volScalarField> tk(this->turbulence().k());
	const volScalarField& k = tk();

	scalarField tauStar(epsilon.size(), 0);

	if (version_ == EDCversions::v2016)
	{
	tmp<volInternalScalarField> ttc(chemistryPtr_->tc());
	const volInternalScalarField& tc = ttc();

	forAll(tauStar, i)
	{
	const scalar Da =
	max(min(sqrt(nu[i]/(epsilon[i] + small))/tc[i], 10), 1e-10);

	const scalar ReT = sqr(k[i])/(nu[i]*epsilon[i] + small);
	const scalar CtauI = min(C1_/(Da*sqrt(ReT + 1)), Ctau_);

	const scalar CgammaI =
	max(min(C2_sqrt(Da(ReT + 1)), 5), Cgamma_);

	const scalar gammaL =
	CgammaIpow025(nu[i]epsilon[i]/(sqr(k[i]) + small));

	tauStar[i] = CtauI*sqrt(nu[i]/(epsilon[i] + small));

	if (gammaL >= 1)
	{
	kappa_[i] = 1;
	}
	else
	{
	kappa_[i] =
	max
	(
	min
	(
	pow(gammaL, exp1_)/(1 - pow(gammaL, exp2_)),
	1
	),
	0
	);
	}
	}
	}
	else
	{
	forAll(tauStar, i)
	{
	const scalar gammaL =
	Cgamma_pow025(nu[i]epsilon[i]/(sqr(k[i]) + small));

	tauStar[i] = Ctau_*sqrt(nu[i]/(epsilon[i] + small));
	if (gammaL >= 1)
	{
	kappa_[i] = 1;
	}
	else
	{
	kappa_[i] =
	max
	(
	min
	(
	pow(gammaL, exp1_)/(1 - pow(gammaL, exp2_)),
	1
	),
	0
	);
	}
	}
	}

	chemistryPtr_->solve(tauStar);

	timeIndex_ = this->mesh().time().timeIndex();
	}


	Foam::tmp<Foam::volInternalScalarField>
	Foam::reactionModels::EDC::R(const label speciei) const
	{
	return kappa_()*chemistryPtr_->RR()[speciei];
	}


	Foam::tmp<Foam::fvScalarMatrix>
	Foam::reactionModels::EDC::R(volScalarField& Y) const
	{
	tmp<fvScalarMatrix> tSu
	(
	new fvScalarMatrix(Y, dimensions::mass/dimensions::time)
	);
	fvScalarMatrix& Su = tSu.ref();

	const label speciei = this->thermo().species()[Y.member()];
	Su += chemistryPtr_->RR()[speciei];

	return kappa_*tSu;
	}


	Foam::tmp<Foam::volInternalScalarField>
	Foam::reactionModels::EDC::Qdot() const
	{
	return volInternalScalarField::New
	(
	this->thermo().phasePropertyName(typedName("Qdot")),
	kappa_()*chemistryPtr_->Qdot()
	);
	}


	bool Foam::reactionModels::EDC::read()
	{
	if (reactionModel::read())
	{
	version_ =
	(
	EDCversionNames
	[
	this->coeffs().lookupOrDefault
	(
	"version",
	word(EDCversionNames[EDCdefaultVersion])
	)
	]
	);
	C1_ = this->coeffs().lookupOrDefault("C1", 0.05774);
	C2_ = this->coeffs().lookupOrDefault("C2", 0.5);
	Cgamma_ = this->coeffs().lookupOrDefault("Cgamma", 2.1377);
	Ctau_ = this->coeffs().lookupOrDefault("Ctau", 0.4083);
	exp1_ = this->coeffs().lookupOrDefault("exp1", EDCexp1[int(version_)]);
	exp2_ = this->coeffs().lookupOrDefault("exp2", EDCexp2[int(version_)]);
	outerCorrect_ = this->coeffs().lookupOrDefault("outerCorrect", true);

	return true;
	}
	else
	{
	return false;
	}
	}


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