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foam-extend4.1-coherent-io/tutorials/basic/PODSolver/1DPODsin/setTcos/setTcos.C

81 lines
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C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2005 OpenCFD Ltd.
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Description
Set up the gamma field
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "mathematicalConstants.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
# include "setRootCase.H"
# include "createTime.H"
# include "createMesh.H"
Info<< "Time = " << runTime.value() << endl;
Info<< " Reading field T" << endl;
volScalarField T
(
IOobject
(
"T",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::NO_WRITE
),
mesh
);
// Do cells
const volVectorField& centres = mesh.C();
Info << pos(0.02 - centres.internalField().component(vector::X))*
centres.internalField().component(vector::X)/0.02 << endl;
T.internalField() =
pos(0.02 - centres.internalField().component(vector::X))*
(
Foam::cos
(
centres.internalField().component(vector::X)/0.02*
mathematicalConstant::pi
)/2.0 + 0.5
);
T.write();
Info<< "End\n" << endl;
return(0);
}
// ************************************************************************* //