129 lines
3.4 KiB
C
129 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
|
|
potentialFoam
|
|
|
|
Description
|
|
Simple potential flow solver which can be used to generate starting fields
|
|
for full Navier-Stokes codes.
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "fvCFD.H"
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
|
|
argList::validOptions.insert("writep", "");
|
|
|
|
# include "setRootCase.H"
|
|
|
|
# include "createTime.H"
|
|
# include "createMesh.H"
|
|
# include "createFields.H"
|
|
# include "readSIMPLEControls.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
Info<< nl << "Calculating potential flow" << endl;
|
|
|
|
adjustPhi(phi, U, p);
|
|
|
|
for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
|
|
{
|
|
p.storePrevIter();
|
|
|
|
fvScalarMatrix pEqn
|
|
(
|
|
fvm::laplacian
|
|
(
|
|
dimensionedScalar
|
|
(
|
|
"1",
|
|
dimTime/p.dimensions()*dimensionSet(0, 2, -2, 0, 0),
|
|
1
|
|
),
|
|
p
|
|
)
|
|
==
|
|
fvc::div(phi)
|
|
);
|
|
|
|
pEqn.setReference(pRefCell, pRefValue);
|
|
pEqn.solve();
|
|
|
|
if (nonOrth == nNonOrthCorr)
|
|
{
|
|
phi -= pEqn.flux();
|
|
}
|
|
else
|
|
{
|
|
p.relax();
|
|
}
|
|
}
|
|
|
|
Info<< "continuity error = "
|
|
<< mag(fvc::div(phi))().weightedAverage(mesh.V()).value()
|
|
<< endl;
|
|
|
|
U = fvc::reconstruct(phi);
|
|
U.correctBoundaryConditions();
|
|
|
|
Info<< "Interpolated U error = "
|
|
<< (sqrt(sum(sqr((fvc::interpolate(U) & mesh.Sf()) - phi)))
|
|
/sum(mesh.magSf())).value()
|
|
<< endl;
|
|
|
|
// Calculate velocity magnitude
|
|
{
|
|
volScalarField magU = mag(U);
|
|
|
|
Info << "mag(U): max: " << gMax(magU.internalField())
|
|
<< " min: " << gMin(magU.internalField()) << endl;
|
|
}
|
|
|
|
// Force the write
|
|
U.write();
|
|
phi.write();
|
|
|
|
if (args.optionFound("writep"))
|
|
{
|
|
p.write();
|
|
}
|
|
|
|
Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
|
|
<< " ClockTime = " << runTime.elapsedClockTime() << " s"
|
|
<< nl << endl;
|
|
|
|
Info<< "End\n" << endl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|