boxTurb.C

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
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
    boxTurb
 
Group
    grpPreProcessingUtilities
 
Description
    Create a box of divergence-free turbulence conforming to a given
    energy spectrum.
 
\*---------------------------------------------------------------------------*/
 
#include "fvCFD.H"
#include "graph.H"
#include "OFstream.H"
#include "Kmesh.H"
#include "turbGen.H"
#include "calcEk.H"
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
int main(int argc, char *argv[])
{
    argList::addNote
    (
        "Create a box of divergence-free turbulence conforming to a given"
        " energy spectrum"
    );
 
    argList::noParallel();
    #include "setRootCase.H"
 
    #include "createTime.H"
    #include "createNamedMesh.H"
    #include "createFields.H"
    #include "readBoxTurbDict.H"
 
 
    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
    Kmesh K(mesh);
 
    turbGen Ugen(K, Ea, k0);
 
    U.primitiveFieldRef() = Ugen.U();
    U.correctBoundaryConditions();
 
    Info<< "k("
         << runTime.timeName()
         << ") = "
         << 3.0/2.0*average(magSqr(U)).value() << endl;
 
    U.write();
 
    calcEk(U, K).write
    (
        runTime.path()/"graphs"/runTime.timeName(),
        "Ek",
        runTime.graphFormat()
    );
 
    Info<< "End\n" << endl;
 
    return 0;
}
 
 
// ************************************************************************* //