R.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
    R
 
Description
    Calculates and writes the Reynolds stress R for the current time step.
 
    Compressible modes is automatically selected based on the existence of the
    "thermophysicalProperties" dictionary required to construct the
    thermodynamics package.
 
\*---------------------------------------------------------------------------*/
 
#include "fvCFD.H"
#include "turbulentTransportModel.H"
#include "turbulentFluidThermoModel.H"
#include "incompressible/singlePhaseTransportModel/singlePhaseTransportModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
void calcIncompressibleR
(
    const fvMesh& mesh,
    const Time& runTime,
    const volVectorField& U
)
{
    #include "createPhi.H"
 
    singlePhaseTransportModel laminarTransport(U, phi);
 
    autoPtr<incompressible::turbulenceModel> model
    (
        incompressible::turbulenceModel::New(U, phi, laminarTransport)
    );
 
    Info<< "Writing R field" << nl << endl;
 
    model->R()().write();
}
 
 
void calcCompressibleR
(
    const fvMesh& mesh,
    const Time& runTime,
    const volVectorField& U
)
{
    IOobject rhoHeader
    (
        "rho",
        runTime.timeName(),
        mesh,
        IOobject::MUST_READ,
        IOobject::NO_WRITE
    );
 
    if (!rhoHeader.headerOk())
    {
        Info<< "    no " << rhoHeader.name() <<" field" << endl;
        return;
    }
 
    Info<< "Reading field rho\n" << endl;
    volScalarField rho(rhoHeader, mesh);
 
    #include "compressibleCreatePhi.H"
 
    autoPtr<fluidThermo> pThermo(fluidThermo::New(mesh));
    fluidThermo& thermo = pThermo();
 
    autoPtr<compressible::turbulenceModel> model
    (
        compressible::turbulenceModel::New
        (
            rho,
            U,
            phi,
            thermo
        )
    );
 
    Info<< "Writing R field" << nl << endl;
 
    model->R()().write();
}
 
 
int main(int argc, char *argv[])
{
    timeSelector::addOptions();
    #include "addRegionOption.H"
    #include "setRootCase.H"
    #include "createTime.H"
    instantList timeDirs = timeSelector::select0(runTime, args);
    #include "createNamedMesh.H"
 
    forAll(timeDirs, timeI)
    {
        runTime.setTime(timeDirs[timeI], timeI);
        Info<< "Time = " << runTime.timeName() << endl;
 
        IOobject UHeader
        (
            "U",
            runTime.timeName(),
            mesh,
            IOobject::MUST_READ,
            IOobject::NO_WRITE
        );
 
        if (UHeader.headerOk())
        {
            Info<< "Reading field " << UHeader.name() << nl << endl;
            volVectorField U(UHeader, mesh);
 
            if
            (
                IOobject
                (
                    basicThermo::dictName,
                    runTime.constant(),
                    mesh
                ).headerOk()
            )
            {
                calcCompressibleR(mesh, runTime, U);
            }
            else
            {
                calcIncompressibleR(mesh, runTime, U);
            }
        }
        else
        {
            Info<< "    no " << UHeader.name() << " field" << endl;
        }
    }
 
    Info<< "End\n" << endl;
 
    return 0;
}
 
 
// ************************************************************************* //