electrostaticFoam.C

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/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
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-------------------------------------------------------------------------------
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
    electrostaticFoam
 
Description
    Solver for electrostatics.
 
\*---------------------------------------------------------------------------*/
 
#include "argList.H"
 
#include "fvMesh.H"
 
#include "fvcSnGrad.H"
 
#include "fvmDdt.H"
#include "fvmDiv.H"
#include "fvmLaplacian.H"
 
using namespace Foam;
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
int main(int argc, char *argv[])
{
    #include "setRootCase.H"
 
    #include "createTime.H"
    #include "createMesh.H"
    #include "createFields.H"
 
    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
    Info<< "\nStarting iteration loop\n" << endl;
 
    while (runTime.loop())
    {
        Info<< "Iteration = " << runTime.name() << nl << endl;
 
        solve
        (
            fvm::laplacian(phi) + rho/epsilon0
        );
 
        rhoFlux = -k*mesh.magSf()*fvc::snGrad(phi);
 
        solve
        (
            fvm::ddt(rho) + fvm::div(rhoFlux, rho)
        );
 
        runTime.write();
 
        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
            << nl << endl;
    }
 
    Info<< "End\n" << endl;
 
    return 0;
}
 
 
// ************************************************************************* //