Files
openfoam/src/postProcessing/functionObjects/utilities/staticPressure/staticPressure.C
2009-07-06 19:45:31 +01:00

148 lines
3.9 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2009-2009 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "staticPressure.H"
#include "volFields.H"
#include "dictionary.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
defineTypeNameAndDebug(staticPressure, 0);
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
bool Foam::staticPressure::isKinematicPressure()
{
const volScalarField& p = obr_.lookupObject<volScalarField>(pName_);
return p.dimensions() == sqr(dimLength)/sqr(dimTime);
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::staticPressure::staticPressure
(
const word& name,
const objectRegistry& obr,
const dictionary& dict,
const bool loadFromFiles
)
:
name_(name),
obr_(obr),
active_(true),
pName_(dict.lookupOrDefault<word>("p", "p")),
rho_(readScalar(dict.lookup("rho")))
{
// Check if the available mesh is an fvMesh, otherwise deactivate
if (!isA<fvMesh>(obr_))
{
active_ = false;
WarningIn
(
"staticPressure::staticPressure"
"(const objectRegistry&, const dictionary&)"
) << "No fvMesh available, deactivating." << nl
<< endl;
}
else
{
// Check if the pressure is kinematic pressure, otherwise deactivate
if (!isKinematicPressure())
{
active_ = false;
WarningIn
(
"staticPressure::staticPressure"
"(const objectRegistry&, const dictionary&)"
) << "Pressure is not kinematic pressure, deactivating." << nl
<< endl;
}
}
read(dict);
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::staticPressure::~staticPressure()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::staticPressure::read(const dictionary& dict)
{
if (active_)
{
dict.readIfPresent("p", pName_);
dict.lookup("rho") >> rho_;
}
}
void Foam::staticPressure::execute()
{
// Do nothing - only valid on write
}
void Foam::staticPressure::end()
{
// Do nothing - only valid on write
}
void Foam::staticPressure::write()
{
if (active_)
{
const volScalarField& p = obr_.lookupObject<volScalarField>(pName_);
volScalarField pStatic
(
IOobject
(
"pStatic",
obr_.time().timeName(),
obr_,
IOobject::NO_READ
),
dimensionedScalar("rho", dimDensity, rho_)*p
);
pStatic.write();
}
}
// ************************************************************************* //