134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright held by original author
|
|
\\/ 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
|
|
|
|
Application
|
|
estimateScalarError
|
|
|
|
Description
|
|
Estimates the error in the solution for a scalar transport equation in the
|
|
standard form
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "fvCFD.H"
|
|
#include "errorEstimate.H"
|
|
#include "resError.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
timeSelector::addOptions();
|
|
|
|
# include "setRootCase.H"
|
|
# include "createTime.H"
|
|
|
|
instantList timeDirs = timeSelector::select0(runTime, args);
|
|
|
|
# include "createMesh.H"
|
|
|
|
Info<< "\nEstimating error in scalar transport equation\n"
|
|
<< "Reading transportProperties\n" << endl;
|
|
|
|
IOdictionary transportProperties
|
|
(
|
|
IOobject
|
|
(
|
|
"transportProperties",
|
|
runTime.constant(),
|
|
mesh,
|
|
IOobject::MUST_READ,
|
|
IOobject::NO_WRITE
|
|
)
|
|
);
|
|
|
|
|
|
Info<< "Reading diffusivity DT\n" << endl;
|
|
|
|
dimensionedScalar DT
|
|
(
|
|
transportProperties.lookup("DT")
|
|
);
|
|
|
|
|
|
forAll(timeDirs, timeI)
|
|
{
|
|
runTime.setTime(timeDirs[timeI], timeI);
|
|
|
|
Info<< "Time = " << runTime.timeName() << endl;
|
|
|
|
mesh.readUpdate();
|
|
|
|
IOobject THeader
|
|
(
|
|
"T",
|
|
runTime.timeName(),
|
|
mesh,
|
|
IOobject::MUST_READ
|
|
);
|
|
|
|
IOobject Uheader
|
|
(
|
|
"U",
|
|
runTime.timeName(),
|
|
mesh,
|
|
IOobject::MUST_READ
|
|
);
|
|
|
|
if (THeader.headerOk() && Uheader.headerOk())
|
|
{
|
|
Info << "Reading T" << endl;
|
|
volScalarField T(THeader, mesh);
|
|
|
|
Info << "Reading U" << endl;
|
|
volVectorField U(Uheader, mesh);
|
|
|
|
# include "createPhi.H"
|
|
|
|
errorEstimate<scalar> ee
|
|
(
|
|
resError::div(phi, T)
|
|
- resError::laplacian(DT, T)
|
|
);
|
|
|
|
ee.residual()().write();
|
|
volScalarField e = ee.error();
|
|
e.write();
|
|
mag(e)().write();
|
|
}
|
|
else
|
|
{
|
|
Info<< " No T or U" << endl;
|
|
}
|
|
|
|
Info<< endl;
|
|
}
|
|
|
|
Info<< "End\n" << endl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|