87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | foam-extend: Open Source CFD
|
|
\\ / O peration | Version: 4.1
|
|
\\ / A nd | Web: http://www.foam-extend.org
|
|
\\/ M anipulation | For copyright notice see file Copyright
|
|
-------------------------------------------------------------------------------
|
|
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/>.
|
|
|
|
Description
|
|
Linear cohesive law.
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "linearCohesiveLaw.H"
|
|
#include "addToRunTimeSelectionTable.H"
|
|
|
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
defineTypeNameAndDebug(linearCohesiveLaw, 0);
|
|
addToRunTimeSelectionTable(cohesiveLaw, linearCohesiveLaw, dictionary);
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
|
|
|
// Construct from components
|
|
Foam::linearCohesiveLaw::linearCohesiveLaw
|
|
(
|
|
const word& cohesiveLawName,
|
|
const dictionary& dict
|
|
)
|
|
:
|
|
cohesiveLaw(cohesiveLawName, dict),
|
|
deltaC_(2.0*GIc()/sigmaMax())
|
|
{}
|
|
|
|
|
|
Foam::linearCohesiveLaw::linearCohesiveLaw
|
|
(
|
|
const linearCohesiveLaw& lcl
|
|
)
|
|
:
|
|
cohesiveLaw(lcl),
|
|
deltaC_(lcl.deltaC_)
|
|
{}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
|
|
|
|
Foam::linearCohesiveLaw::~linearCohesiveLaw()
|
|
{}
|
|
|
|
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
|
|
|
|
//- Return current holding traction
|
|
Foam::scalar Foam::linearCohesiveLaw::traction(scalar delta) const
|
|
{
|
|
if (delta > deltaC().value())
|
|
{
|
|
return 0.0;
|
|
}
|
|
else if (delta < 0)
|
|
{
|
|
return sigmaMax().value();
|
|
}
|
|
|
|
return sigmaMax().value()*(1.0 - delta/deltaC().value());
|
|
}
|
|
|
|
// ************************************************************************* //
|