175 lines
5 KiB
C
175 lines
5 KiB
C
/*---------------------------------------------------------------------------*\
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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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pimpleDyMFoam.C
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Description
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Transient solver for incompressible, flow of Newtonian fluids
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on a moving mesh using the PIMPLE (merged PISO-SIMPLE) algorithm.
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Turbulence modelling is generic, i.e. laminar, RAS or LES may be selected.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "singlePhaseTransportModel.H"
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#include "turbulenceModel.H"
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#include "dynamicFvMesh.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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# include "setRootCase.H"
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# include "createTime.H"
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# include "createDynamicFvMesh.H"
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# include "readPIMPLEControls.H"
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# include "initContinuityErrs.H"
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# include "createFields.H"
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# include "readTimeControls.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Info<< "\nStarting time loop\n" << endl;
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while (runTime.run())
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{
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# include "readControls.H"
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# include "CourantNo.H"
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// Make the fluxes absolute
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fvc::makeAbsolute(phi, U);
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# include "setDeltaT.H"
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runTime++;
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Info<< "Time = " << runTime.timeName() << nl << endl;
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bool meshChanged = mesh.update();
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if (correctPhi && (mesh.moving() || meshChanged))
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{
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# include "correctPhi.H"
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}
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// Make the fluxes relative to the mesh motion
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fvc::makeRelative(phi, U);
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if (mesh.moving() && checkMeshCourantNo)
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{
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# include "meshCourantNo.H"
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}
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// --- PIMPLE loop
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for (int ocorr=0; ocorr<nOuterCorr; ocorr++)
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{
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if (nOuterCorr != 1)
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{
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p.storePrevIter();
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}
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# include "UEqn.H"
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// --- PISO loop
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for (int corr=0; corr<nCorr; corr++)
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{
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rAU = 1.0/UEqn.A();
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U = rAU*UEqn.H();
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phi = (fvc::interpolate(U) & mesh.Sf());
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if (p.needReference())
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{
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fvc::makeRelative(phi, U);
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adjustPhi(phi, U, p);
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fvc::makeAbsolute(phi, U);
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}
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for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
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{
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fvScalarMatrix pEqn
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(
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fvm::laplacian(rAU, p) == fvc::div(phi)
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);
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pEqn.setReference(pRefCell, pRefValue);
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if
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(
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ocorr == nOuterCorr-1
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&& corr == nCorr-1
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&& nonOrth == nNonOrthCorr
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)
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{
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pEqn.solve
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(
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mesh.solutionDict().solver(p.name() + "Final")
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);
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}
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else
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{
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pEqn.solve(mesh.solutionDict().solver(p.name()));
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}
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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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}
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# include "continuityErrs.H"
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// Explicitly relax pressure for momentum corrector
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if (ocorr != nOuterCorr-1)
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{
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p.relax();
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}
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// Make the fluxes relative to the mesh motion
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fvc::makeRelative(phi, U);
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U -= rAU*fvc::grad(p);
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U.correctBoundaryConditions();
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}
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turbulence->correct();
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}
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runTime.write();
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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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}
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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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