arcEdge.H 3.34 KB
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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
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    \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
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     \\/     M anipulation  | Copyright (C) 2017 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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
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    Foam::blockEdges::arcEdge
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Description
    Defines the arcEdge of a circle in terms of 3 points on its circumference

SourceFiles
    arcEdge.C

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

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#ifndef blockEdges_arcEdge_H
#define blockEdges_arcEdge_H
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#include "blockEdge.H"
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#include "cylindricalCS.H"

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

namespace Foam
{
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namespace blockEdges
{
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/*---------------------------------------------------------------------------*\
                           Class arcEdge Declaration
\*---------------------------------------------------------------------------*/

class arcEdge
:
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    public blockEdge
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{
    // Private data

        point p1_, p2_, p3_;
        scalar angle_;
        scalar radius_;
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        cylindricalCS cs_;
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    // Private Member Functions

        //- Calculate the coordinate system, angle and radius
        cylindricalCS calcAngle();

        //- Disallow default bitwise copy construct
        arcEdge(const arcEdge&);

        //- Disallow default bitwise assignment
        void operator=(const arcEdge&);

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public:

    //- Runtime type information
    TypeName("arc");


    // Constructors

        //- Construct from components
        arcEdge
        (
            const pointField& points,
            const label start, const label end,
            const point& pMid
        );

        //- Construct from Istream setting pointsList
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        arcEdge
        (
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            const dictionary& dict,
            const label index,
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            const searchableSurfaces& geometry,
            const pointField& points,
            Istream&
        );
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    //- Destructor
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    virtual ~arcEdge()
    {}
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    // Member Functions

        //- Return the point position corresponding to the curve parameter
        //  0 <= lambda <= 1
        point position(const scalar) const;

        //- Return the length of the curve
        scalar length() const;
};


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

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} // End of namespace blockEdges
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} // End namespace Foam

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

#endif

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