cylinderAnnulusToFace.C

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/*---------------------------------------------------------------------------*\
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     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2017 OpenFOAM Foundation
    Copyright (C) 2018 OpenCFD Ltd.
-------------------------------------------------------------------------------
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
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\*---------------------------------------------------------------------------*/
 
#include "cylinderAnnulusToFace.H"
#include "polyMesh.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(cylinderAnnulusToFace, 0);
    addToRunTimeSelectionTable(topoSetSource, cylinderAnnulusToFace, word);
    addToRunTimeSelectionTable(topoSetSource, cylinderAnnulusToFace, istream);
    addToRunTimeSelectionTable
    (
        topoSetFaceSource,
        cylinderAnnulusToFace,
        word
    );
    addToRunTimeSelectionTable
    (
        topoSetFaceSource,
        cylinderAnnulusToFace,
        istream
    );
    addNamedToRunTimeSelectionTable
    (
        topoSetFaceSource,
        cylinderAnnulusToFace,
        word,
        cylinderAnnulus
    );
    addNamedToRunTimeSelectionTable
    (
        topoSetFaceSource,
        cylinderAnnulusToFace,
        istream,
        cylinderAnnulus
    );
}
 
 
Foam::topoSetSource::addToUsageTable Foam::cylinderAnnulusToFace::usage_
(
    cylinderAnnulusToFace::typeName,
    "\n    Usage: cylinderAnnulusToFace (p1X p1Y p1Z) (p2X p2Y p2Z)"
    " outerRadius innerRadius\n\n"
    "    Select all faces with face centre within bounding cylinder annulus\n\n"
);
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::cylinderAnnulusToFace::combine(topoSet& set, const bool add) const
{
    const pointField& ctrs = mesh_.faceCentres();
 
    const vector axis = (point2_ - point1_);
    const scalar magAxis2 = magSqr(axis);
    const scalar orad2 = sqr(radius_);
    const scalar irad2 = innerRadius_ > 0 ? sqr(innerRadius_) : -1;
 
    // Treat innerRadius == 0 like unspecified innerRadius (always accept)
 
    forAll(ctrs, elemi)
    {
        const vector d = ctrs[elemi] - point1_;
        const scalar magD = d & axis;
 
        if ((magD > 0) && (magD < magAxis2))
        {
            const scalar d2 = (d & d) - sqr(magD)/magAxis2;
            if ((d2 < orad2) && (d2 > irad2))
            {
                addOrDelete(set, elemi, add);
            }
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::cylinderAnnulusToFace::cylinderAnnulusToFace
(
    const polyMesh& mesh,
    const point& point1,
    const point& point2,
    const scalar radius,
    const scalar innerRadius
)
:
    topoSetFaceSource(mesh),
    point1_(point1),
    point2_(point2),
    radius_(radius),
    innerRadius_(innerRadius)
{}
 
 
Foam::cylinderAnnulusToFace::cylinderAnnulusToFace
(
    const polyMesh& mesh,
    const dictionary& dict
)
:
    cylinderAnnulusToFace
    (
        mesh,
        dict.get<point>("p1"),
        dict.get<point>("p2"),
        dict.get<scalar>("outerRadius"),
        dict.get<scalar>("innerRadius")
    )
{}
 
 
Foam::cylinderAnnulusToFace::cylinderAnnulusToFace
(
    const polyMesh& mesh,
    Istream& is
)
:
    topoSetFaceSource(mesh),
    point1_(checkIs(is)),
    point2_(checkIs(is)),
    radius_(readScalar(checkIs(is))),
    innerRadius_(readScalar(checkIs(is)))
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::cylinderAnnulusToFace::applyToSet
(
    const topoSetSource::setAction action,
    topoSet& set
) const
{
    if (action == topoSetSource::ADD || action == topoSetSource::NEW)
    {
        if (verbose_)
        {
            Info<< "    Adding faces with centre within cylinder annulus,"
                << " with p1 = " << point1_ << ", p2 = " << point2_
                << ", radius = " << radius_
                << ", inner radius = " << innerRadius_
                << endl;
        }
 
        combine(set, true);
    }
    else if (action == topoSetSource::SUBTRACT)
    {
        if (verbose_)
        {
            Info<< "    Removing faces with centre within cylinder annulus,"
                << " with p1 = " << point1_ << ", p2 = " << point2_
                << ", radius = " << radius_
                << ", inner radius = " << innerRadius_
                << endl;
        }
 
        combine(set, false);
    }
}
 
 
// ************************************************************************* //