194 lines
5.4 KiB
C
194 lines
5.4 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration |
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\\ / A nd | For copyright notice see file Copyright
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Application
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sonicDyMFoam
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Description
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Transient solver for trans-sonic/supersonic, laminar flow of a
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compressible gas with support for mesh motion and topological changes
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Updated from sonicFoamAutoMotion by Hrvoje Jasak
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Author
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Hrvoje Jasak, Wikki Ltd. All rights reserved.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "dynamicFvMesh.H"
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#include "specie.H"
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#include "basicPsiThermo.H"
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#include "turbulenceModel.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 "createFields.H"
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# include "initContinuityErrs.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 "readFieldBounds.H"
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# include "compressibleCourantNo.H"
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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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# include "volContinuity.H"
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if (checkMeshCourantNo)
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{
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# include "meshCourantNo.H"
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}
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// Mesh motion update
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// if (correctPhi && meshChanged)
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// {
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// # include "correctPhi.H"
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// }
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if (meshChanged)
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{
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# include "CourantNo.H"
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}
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// --- PIMPLE loop
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label oCorr = 0;
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do
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{
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// Under-relax pDivU term
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pDivU.storePrevIter();
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pDivU = p*fvc::div(phi/fvc::interpolate(rho));
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pDivU.relax();
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# include "rhoEqn.H"
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# include "eEqn.H"
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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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U = UEqn.H()/UEqn.A();
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# include "limitU.H"
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surfaceScalarField phid
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(
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"phid",
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fvc::interpolate(psi)*
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(
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(fvc::interpolate(U) & mesh.Sf())
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- fvc::meshPhi(rho, U)
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)
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);
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for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
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{
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// Store pressure for under-relaxation
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p.storePrevIter();
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fvScalarMatrix pEqn
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(
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fvm::ddt(psi, p)
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+ fvm::div(phid, p)
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- fvm::laplacian(rho/UEqn.A(), p)
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);
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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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// Bound the pressure
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if (min(p) < pMin || max(p) > pMax)
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{
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p.max(pMin);
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p.min(pMax);
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p.correctBoundaryConditions();
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}
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// Relax the pressure
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p.relax();
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}
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# include "compressibleContinuityErrs.H"
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U -= fvc::grad(p)/UEqn.A();
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U.correctBoundaryConditions();
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# include "limitU.H"
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}
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// Recalculate density
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rho = thermo.rho();
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turbulence->correct();
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} while (++oCorr < nOuterCorr);
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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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