rhoPimpleDyMFoam.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
     \\/     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 3 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, see <http://www.gnu.org/licenses/>.
 
Application
    rhoPimpleFoam
 
Group
    grpCompressibleSolvers grpMovingMeshSolvers
 
Description
    Transient solver for laminar or turbulent flow of compressible fluids
    for HVAC and similar applications.
 
    Uses the flexible PIMPLE (PISO-SIMPLE) solution for time-resolved and
    pseudo-transient simulations.
 
\*---------------------------------------------------------------------------*/
 
#include "fvCFD.H"
#include "dynamicFvMesh.H"
#include "psiThermo.H"
#include "turbulentFluidThermoModel.H"
#include "bound.H"
#include "pimpleControl.H"
#include "CorrectPhi.H"
#include "fvOptions.H"
#include "localEulerDdtScheme.H"
#include "fvcSmooth.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
int main(int argc, char *argv[])
{
    #include "setRootCase.H"
    #include "createTime.H"
    #include "createDynamicFvMesh.H"
 
    pimpleControl pimple(mesh);
 
    #include "createRDeltaT.H"
    #include "initContinuityErrs.H"
    #include "createFields.H"
    #include "createMRF.H"
    #include "createFvOptions.H"
    #include "createRhoUf.H"
    #include "createControls.H"
 
    turbulence->validate();
 
    if (!LTS)
    {
        #include "compressibleCourantNo.H"
        #include "setInitialDeltaT.H"
    }
 
    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
    Info<< "\nStarting time loop\n" << endl;
 
    while (runTime.run())
    {
        #include "readControls.H"
 
        {
            // Store divrhoU from the previous mesh so that it can be mapped
            // and used in correctPhi to ensure the corrected phi has the
            // same divergence
            volScalarField divrhoU
            (
                "divrhoU",
                fvc::div(fvc::absolute(phi, rho, U))
            );
 
            if (LTS)
            {
                #include "setRDeltaT.H"
            }
            else
            {
                #include "compressibleCourantNo.H"
                #include "setDeltaT.H"
            }
 
            runTime++;
 
            Info<< "Time = " << runTime.timeName() << nl << endl;
 
            // Store momentum to set rhoUf for introduced faces.
            volVectorField rhoU("rhoU", rho*U);
 
            // Do any mesh changes
            mesh.update();
 
            if (mesh.changing() && correctPhi)
            {
                // Calculate absolute flux from the mapped surface velocity
                phi = mesh.Sf() & rhoUf;
 
                #include "correctPhi.H"
 
                // Make the fluxes relative to the mesh-motion
                fvc::makeRelative(phi, rho, U);
            }
        }
 
        if (mesh.changing() && checkMeshCourantNo)
        {
            #include "meshCourantNo.H"
        }
 
        #include "rhoEqn.H"
        Info<< "rhoEqn max/min : " << max(rho).value()
            << " " << min(rho).value() << endl;
 
        // --- Pressure-velocity PIMPLE corrector loop
        while (pimple.loop())
        {
            #include "UEqn.H"
            #include "EEqn.H"
 
            // --- Pressure corrector loop
            while (pimple.correct())
            {
                #include "pEqn.H"
            }
 
            if (pimple.turbCorr())
            {
                turbulence->correct();
            }
        }
 
        runTime.write();
 
        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
            << nl << endl;
    }
 
    Info<< "End\n" << endl;
 
    return 0;
}
 
 
// ************************************************************************* //