rotateMesh.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
     \\/     M anispulation  |
-------------------------------------------------------------------------------
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
    rotateMesh

Description
    Rotates the mesh and fields from the direcion n1 to the direction n2.

Usage

    - rotateMesh [OPTIONS] <old direction (nx,ny,nz)> <new direction (nx,ny,nz)>

    @param <old direction (nx,ny,nz)> \n
    @todo Detailed description of argument.

    @param <new direction (nx,ny,nz)> \n
    @todo Detailed description of argument.

    @param -noZero \n
    Ignore timestep 0.

    @param -constant \n
    Include the constant directory.

    @param -time <time>\n
    Apply only to specific time.

    @param -latestTime \n
    Only apply to latest time step.

    @param -case <dir>\n
    Case directory.

    @param -parallel \n
    Run in parallel.

    @param -help \n
    Display help message.

    @param -doc \n
    Display Doxygen API documentation page for this application.

    @param -srcDoc \n
    Display Doxygen source documentation page for this application.

\*---------------------------------------------------------------------------*/

#include <OpenFOAM/argList.H>
#include <OpenFOAM/timeSelector.H>
#include <OpenFOAM/Time.H>
#include <finiteVolume/fvMesh.H>
#include <finiteVolume/volFields.H>
#include <finiteVolume/surfaceFields.H>
#include <OpenFOAM/transformGeometricField.H>
#include <OpenFOAM/IOobjectList.H>

using namespace Foam;

template<class GeometricField>
void RotateFields
(
    const fvMesh& mesh,
    const IOobjectList& objects,
    const tensor& T
)
{
    // Search list of objects for volScalarFields
    IOobjectList fields(objects.lookupClass(GeometricField::typeName));

    forAllIter(IOobjectList, fields, fieldIter)
    {
        Info<< "    Rotating " << fieldIter()->name() << endl;

        GeometricField theta(*fieldIter(), mesh);
        transform(theta, dimensionedTensor(T), theta);
        theta.write();
    }
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

int main(int argc, char *argv[])
{
    timeSelector::addOptions();

    argList::validArgs.append("n1");
    argList::validArgs.append("n2");

#   include <OpenFOAM/setRootCase.H>
#   include <OpenFOAM/createTime.H>

    vector n1(IStringStream(args.additionalArgs()[0])());
    n1 /= mag(n1);

    vector n2(IStringStream(args.additionalArgs()[1])());
    n2 /= mag(n2);

    tensor T = rotationTensor(n1, n2);

    {
        pointIOField points
        (
            IOobject
            (
                "points",
                runTime.findInstance(polyMesh::meshSubDir, "points"),
                polyMesh::meshSubDir,
                runTime,
                IOobject::MUST_READ,
                IOobject::NO_WRITE,
                false
            )
        );

        points = transform(T, points);

        // Set the precision of the points data to 10
        IOstream::defaultPrecision(10);

        Info << "Writing points into directory " << points.path() << nl << endl;
        points.write();
    }


    instantList timeDirs = timeSelector::select0(runTime, args);

#   include <OpenFOAM/createMesh.H>


    forAll(timeDirs, timeI)
    {
        runTime.setTime(timeDirs[timeI], timeI);

        Info<< "Time = " << runTime.timeName() << endl;

        // Search for list of objects for this time
        IOobjectList objects(mesh, runTime.timeName());

        RotateFields<volVectorField>(mesh, objects, T);
        RotateFields<volSphericalTensorField>(mesh, objects, T);
        RotateFields<volSymmTensorField>(mesh, objects, T);
        RotateFields<volTensorField>(mesh, objects, T);

        RotateFields<surfaceVectorField>(mesh, objects, T);
        RotateFields<surfaceSphericalTensorField>(mesh, objects, T);
        RotateFields<surfaceSymmTensorField>(mesh, objects, T);
        RotateFields<surfaceTensorField>(mesh, objects, T);
    }

    Info<< "\nEnd.\n" << endl;

    return 0;
}


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