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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2025-2026 OpenFOAM Foundation
\\/ 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 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/>.
\*---------------------------------------------------------------------------*/
#include "annulus.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace zoneGenerators
{
defineTypeNameAndDebug(annulus, 0);
addToRunTimeSelectionTable(zoneGenerator, annulus, dictionary);
}
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
inline bool Foam::zoneGenerators::annulus::contains(const point& p) const
{
const vector d = p - point1_;
const scalar magda = d & axis_;
if ((magda > 0) && (magda < magAxis2_))
{
const scalar d2 = magSqr(d) - sqr(magda)/magAxis2_;
if ((d2 < outerRadius2_) && (d2 > innerRadius2_))
{
return true;
}
}
return false;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::zoneGenerators::annulus::annulus
(
const word& name,
const polyMesh& mesh,
const dictionary& dict
)
:
volume(name, mesh, dict),
point1_(dict.lookup<point>("point1", dimensions::length)),
point2_(dict.lookup<point>("point2", dimensions::length)),
outerRadius_(dict.lookup<scalar>("outerRadius", dimensions::length)),
innerRadius_(dict.lookup<scalar>("innerRadius", dimensions::length)),
axis_(point2_ - point1_),
magAxis2_(magSqr(axis_)),
outerRadius2_(sqr(outerRadius_)),
innerRadius2_(sqr(innerRadius_))
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::zoneGenerators::annulus::~annulus()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
Foam::zoneSet Foam::zoneGenerators::annulus::generate() const
{
return volume::generate(*this);
}
// ************************************************************************* //
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