130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Application
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potentialFoam
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Description
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Simple potential flow solver which can be used to generate starting fields
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for full Navier-Stokes codes.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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argList::validOptions.insert("writep", "");
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# include "setRootCase.H"
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# include "createTime.H"
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# include "createMesh.H"
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# include "createFields.H"
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# include "readSIMPLEControls.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Info<< nl << "Calculating potential flow" << endl;
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adjustPhi(phi, U, p);
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for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
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{
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p.storePrevIter();
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fvScalarMatrix pEqn
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(
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fvm::laplacian
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(
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dimensionedScalar
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(
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"1",
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dimTime/p.dimensions()*dimensionSet(0, 2, -2, 0, 0),
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1
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),
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p
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)
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==
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fvc::div(phi)
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);
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pEqn.setReference(pRefCell, pRefValue);
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pEqn.solve();
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if (nonOrth == nNonOrthCorr)
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{
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phi -= pEqn.flux();
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}
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else
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{
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p.relax();
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}
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}
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Info<< "continuity error = "
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<< mag(fvc::div(phi))().weightedAverage(mesh.V()).value()
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<< endl;
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U = fvc::reconstruct(phi);
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U.correctBoundaryConditions();
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Info<< "Interpolated U error = "
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<< (sqrt(sum(sqr((fvc::interpolate(U) & mesh.Sf()) - phi)))
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/sum(mesh.magSf())).value()
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<< endl;
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// Calculate velocity magnitude
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{
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volScalarField magU = mag(U);
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Info << "mag(U): max: " << gMax(magU.internalField())
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<< " min: " << gMin(magU.internalField()) << endl;
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}
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// Force the write
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U.write();
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phi.write();
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if (args.options().found("writep"))
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{
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p.write();
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}
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Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
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<< " ClockTime = " << runTime.elapsedClockTime() << " s"
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<< nl << endl;
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Info<< "End\n" << endl;
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return(0);
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}
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// ************************************************************************* //
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