/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | foam-extend: Open Source CFD
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License
    This file is part of foam-extend.

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    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
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

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Description
    Dugdale cohesive law.

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

#include "DugdaleCohesiveLaw.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
    defineTypeNameAndDebug(DugdaleCohesiveLaw, 0);
    addToRunTimeSelectionTable(cohesiveLaw, DugdaleCohesiveLaw, dictionary);
}


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

// Construct from components
Foam::DugdaleCohesiveLaw::DugdaleCohesiveLaw
(
    const word& cohesiveLawName,
    const dictionary& dict
)
:
    cohesiveLaw(cohesiveLawName, dict),
    deltaC_(GIc()/sigmaMax())
{}


Foam::DugdaleCohesiveLaw::DugdaleCohesiveLaw
(
    const DugdaleCohesiveLaw& dcl
)
:
    cohesiveLaw(dcl),
    deltaC_(dcl.deltaC_)
{}


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

Foam::DugdaleCohesiveLaw::~DugdaleCohesiveLaw()
{}

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

//- Return current holding traction
Foam::scalar Foam::DugdaleCohesiveLaw::traction(scalar delta) const
{
    if (delta > deltaC().value())
    {
        return 0.0;
    }
    else if (delta < 0)
    {
        return sigmaMax().value();
    }

    return sigmaMax().value();
}

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