openfoam/tutorials/mesh/refineMesh/refineFieldDirs/calcRadiusField/calcRadiusField.C
2019-02-06 12:28:23 +00:00

167 lines
4.8 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd |
\\/ M anipulation |
-------------------------------------------------------------------------------
| Copyright (C) 2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
This file is derived from 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/>.
Description
Write the volScalarField "radiusFieldXY" that has the distance to the
origin over X,Y.
And also write the direction fields based on the option "-calcDirections".
The resulting fields are:
- radialDirection
- angularDirection
- heightDirection
Derived from:
$FOAM_UTILITIES/postProcessing/miscellaneous/writeCellCentres
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "timeSelector.H"
#include "Time.H"
#include "fvMesh.H"
#include "vectorIOField.H"
#include "volFields.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
timeSelector::addOptions();
#include "addRegionOption.H"
argList::addBoolOption
(
"calcDirections",
"calculate the direction fields as well"
);
#include "setRootCase.H"
#include "createTime.H"
instantList timeDirs = timeSelector::select0(runTime, args);
const bool calcDirections = args.found("calcDirections");
#include "createNamedMesh.H"
forAll(timeDirs, timeI)
{
runTime.setTime(timeDirs[timeI], timeI);
Info<< "Time = " << runTime.timeName() << endl;
// Check for new mesh
mesh.readUpdate();
Info<< "Writing radius field over X,Y in "
<< runTime.timeName() << endl;
volScalarField radiusFieldXY
(
IOobject
(
"radiusFieldXY",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
sqrt
(
mesh.C().component(0)*mesh.C().component(0)
+ mesh.C().component(1)*mesh.C().component(1)
)
);
radiusFieldXY.write();
if (calcDirections)
{
vectorIOField radialDirection
(
IOobject
(
"radialDirection",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh.C()/magSqr(mesh.C())
);
radialDirection.replace(vector::Z, scalar(0));
radialDirection /= sqrt(magSqr(radialDirection));
radialDirection.write();
const tensor transform2Tangencial
(
0, -1, 0,
1, 0, 0,
0, 0, 1
);
vectorIOField angularDirection
(
IOobject
(
"angularDirection",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
transform2Tangencial & mesh.C()
);
angularDirection.replace(vector::Z, scalar(0));
angularDirection /= sqrt(magSqr(angularDirection));
angularDirection.write();
vectorIOField heightDirection
(
IOobject
(
"heightDirection",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
radialDirection ^ angularDirection
);
heightDirection.write();
}
}
Info<< "\nEnd\n" << endl;
return 0;
}
// ************************************************************************* //