/usr/include/freefoam/finiteVolume/boundedBackwardDdtScheme.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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/>.
Class
Foam::fv::boundedBackwardDdtScheme
Description
Second-order bounded-backward-differencing ddt using the current and
two previous time-step values.
SourceFiles
boundedBackwardDdtScheme.C
\*---------------------------------------------------------------------------*/
#ifndef boundedBackwardDdtScheme_H
#define boundedBackwardDdtScheme_H
#include <finiteVolume/ddtScheme.H>
#include <finiteVolume/fvMatrices.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace fv
{
/*---------------------------------------------------------------------------*\
Class boundedBackwardDdtScheme Declaration
\*---------------------------------------------------------------------------*/
class boundedBackwardDdtScheme
:
public fv::ddtScheme<scalar>
{
// Private Member Functions
//- Return the current time-step
scalar deltaT_() const;
//- Return the previous time-step
scalar deltaT0_() const;
//- Return the previous time-step or GREAT if the old timestep field
// wasn't available in which case Euler ddt is used
template<class GeoField>
scalar deltaT0_(const GeoField& vf) const
{
if (vf.oldTime().timeIndex() == vf.oldTime().oldTime().timeIndex())
{
return GREAT;
}
else
{
return deltaT0_();
}
}
//- Disallow default bitwise copy construct
boundedBackwardDdtScheme(const boundedBackwardDdtScheme&);
//- Disallow default bitwise assignment
void operator=(const boundedBackwardDdtScheme&);
public:
//- Runtime type information
TypeName("boundedBackward");
// Constructors
//- Construct from mesh
boundedBackwardDdtScheme(const fvMesh& mesh)
:
ddtScheme<scalar>(mesh)
{}
//- Construct from mesh and Istream
boundedBackwardDdtScheme(const fvMesh& mesh, Istream& is)
:
ddtScheme<scalar>(mesh, is)
{}
// Member Functions
//- Return mesh reference
const fvMesh& mesh() const
{
return fv::ddtScheme<scalar>::mesh();
}
tmp<volScalarField> fvcDdt
(
const dimensionedScalar&
);
tmp<volScalarField> fvcDdt
(
const volScalarField&
);
tmp<volScalarField> fvcDdt
(
const dimensionedScalar&,
const volScalarField&
);
tmp<volScalarField> fvcDdt
(
const volScalarField&,
const volScalarField&
);
tmp<fvScalarMatrix> fvmDdt
(
volScalarField&
);
tmp<fvScalarMatrix> fvmDdt
(
const dimensionedScalar&,
volScalarField&
);
tmp<fvScalarMatrix> fvmDdt
(
const volScalarField&,
volScalarField&
);
tmp<surfaceScalarField> fvcDdtPhiCorr
(
const volScalarField& rA,
const volScalarField& U,
const surfaceScalarField& phi
);
tmp<surfaceScalarField> fvcDdtPhiCorr
(
const volScalarField& rA,
const volScalarField& rho,
const volScalarField& U,
const surfaceScalarField& phi
);
tmp<surfaceScalarField> meshPhi
(
const volScalarField&
);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fv
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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