/usr/include/freefoam/OpenFOAM/tetrahedron.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 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 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/>.
Class
Foam::tetrahedron
Description
A tetrahedron primitive.
Ordering of edges needs to be the same for a tetrahedron
class, a tetrahedron cell shape model and a tetCell.
SourceFiles
tetrahedronI.H
tetrahedron.C
\*---------------------------------------------------------------------------*/
#ifndef tetrahedron_H
#define tetrahedron_H
#include <OpenFOAM/point.H>
#include <OpenFOAM/primitiveFieldsFwd.H>
#include <OpenFOAM/pointHit.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
class Istream;
class Ostream;
// Forward declaration of friend functions and operators
template<class Point, class PointRef> class tetrahedron;
template<class Point, class PointRef>
inline Istream& operator>>
(
Istream&,
tetrahedron<Point, PointRef>&
);
template<class Point, class PointRef>
inline Ostream& operator<<
(
Ostream&,
const tetrahedron<Point, PointRef>&
);
/*---------------------------------------------------------------------------*\
class tetrahedron Declaration
\*---------------------------------------------------------------------------*/
template<class Point, class PointRef>
class tetrahedron
{
// Private data
PointRef a_, b_, c_, d_;
public:
// Member constants
enum
{
nVertices = 4, // Number of vertices in tetrahedron
nEdges = 6 // Number of edges in tetrahedron
};
// Constructors
//- Construct from points
inline tetrahedron
(
const Point& a,
const Point& b,
const Point& c,
const Point& d
);
//- Construct from Istream
inline tetrahedron(Istream&);
// Member Functions
// Access
//- Return vertices
inline const Point& a() const;
inline const Point& b() const;
inline const Point& c() const;
inline const Point& d() const;
// Properties
//- Return face normal
inline vector Sa() const;
inline vector Sb() const;
inline vector Sc() const;
inline vector Sd() const;
//- Return centre (centroid)
inline Point centre() const;
//- Return volume
inline scalar mag() const;
//- Return circum-centre
inline Point circumCentre() const;
//- Return circum-radius
inline scalar circumRadius() const;
//- Return (min)containment sphere, i.e. the smallest sphere with
// all points inside. Returns pointHit with:
// - hit : if sphere is equal to circumsphere
// (biggest sphere)
// - point : centre of sphere
// - distance : radius of sphere
// - eligiblemiss: false
// Tol (small compared to 1, e.g. 1E-9) is used to determine
// whether point is inside: mag(pt - ctr) < (1+tol)*radius.
pointHit containmentSphere(const scalar tol) const;
//- Fill buffer with shape function products
void gradNiSquared(scalarField& buffer) const;
void gradNiDotGradNj(scalarField& buffer) const;
void gradNiGradNi(tensorField& buffer) const;
void gradNiGradNj(tensorField& buffer) const;
// IOstream operators
friend Istream& operator>> <Point, PointRef>
(
Istream&,
tetrahedron&
);
friend Ostream& operator<< <Point, PointRef>
(
Ostream&,
const tetrahedron&
);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include <OpenFOAM/tetrahedronI.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
# include <OpenFOAM/tetrahedron.C>
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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