125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.1
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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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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dbnsFoam
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Description
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Density-based compressible explicit time-marching flow solver
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using enthalpy based thermo packages
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Author
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Hrvoje Jasak
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "basicPsiThermo.H"
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#include "bound.H"
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#include "hllcFlux.H"
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#include "roeFlux.H"
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#include "rusanovFlux.H"
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#include "betaFlux.H"
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#include "MDLimiter.H"
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#include "firstOrderLimiter.H"
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#include "BarthJespersenLimiter.H"
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#include "VenkatakrishnanLimiter.H"
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#include "numericFlux.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 "createMesh.H"
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# include "createFields.H"
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# include "createTimeControls.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Info<< "\nStarting time loop\n" << endl;
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// Runge-Kutta coefficient
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scalarList beta(4);
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beta[0] = 0.1100;
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beta[1] = 0.2766;
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beta[2] = 0.5000;
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beta[3] = 1.0000;
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// Switch off solver messages
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lduMatrix::debug = 0;
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while (runTime.run())
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{
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# include "readTimeControls.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<< "\n Time = " << runTime.value() << endl;
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// Low storage Runge-Kutta time integration
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forAll (beta, i)
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{
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// Solve the approximate Riemann problem for this time step
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dbnsFlux.computeFlux();
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// Time integration
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solve
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(
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1.0/beta[i]*fvm::ddt(rho)
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+ fvc::div(dbnsFlux.rhoFlux())
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);
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solve
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(
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1.0/beta[i]*fvm::ddt(rhoU)
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+ fvc::div(dbnsFlux.rhoUFlux())
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);
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solve
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(
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1.0/beta[i]*fvm::ddt(rhoE)
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+ fvc::div(dbnsFlux.rhoEFlux())
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);
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# include "updateFields.H"
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}
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runTime.write();
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Info<< " ExecutionTime = "
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<< runTime.elapsedCpuTime()
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<< " s\n" << endl;
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}
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Info<< "\n end \n";
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return(0);
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}
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// ************************************************************************* //
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