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foam-extend4.1-coherent-io/applications/utilities/errorEstimation/icoErrorEstimate/icoErrorEstimate.C

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/*---------------------------------------------------------------------------*\
========= |
\\ / 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
icoErrorEstimate
Description
Estimates error for the incompressible laminar CFD application icoFoam.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "errorEstimate.H"
#include "resError.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
# include "addTimeOptions.H"
# include "setRootCase.H"
Info<< "\nEstimating error in the incompressible momentum equation\n"
<< endl;
# include "createTime.H"
// Get times list
instantList Times = runTime.times();
# include "checkTimeOptions.H"
runTime.setTime(Times[startTime], startTime);
# include "createMesh.H"
Info<< "Reading transportProperties\n" << endl;
IOdictionary transportProperties
(
IOobject
(
"transportProperties",
runTime.constant(),
mesh,
IOobject::MUST_READ,
IOobject::NO_WRITE
)
);
dimensionedScalar nu
(
transportProperties.lookup("nu")
);
for (label i=startTime; i<endTime; i++)
{
runTime.setTime(Times[i], i);
Info<< "Time = " << runTime.timeName() << endl;
mesh.readUpdate();
IOobject pHeader
(
"p",
runTime.timeName(),
mesh,
IOobject::MUST_READ
);
IOobject Uheader
(
"U",
runTime.timeName(),
mesh,
IOobject::MUST_READ
);
if (pHeader.headerOk() && Uheader.headerOk())
{
Info << "Reading p" << endl;
volScalarField p(pHeader, mesh);
Info << "Reading U" << endl;
volVectorField U(Uheader, mesh);
# include "createPhi.H"
errorEstimate<vector> ee
(
resError::div(phi, U)
- resError::laplacian(nu, U)
==
-fvc::grad(p)
);
volVectorField e = ee.error();
e.write();
mag(e)().write();
}
else
{
Info<< " No p or U" << endl;
}
Info<< endl;
}
Info<< "End\n" << endl;
return(0);
}
// ************************************************************************* //