STARCDCoordinateRotation.H

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    Copyright (C) 2017-2021 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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Class
    Foam::coordinateRotations::starcd
 
Description
    A coordinateRotation defined by the STAR-CD convention.
 
    The 3 rotations are defined in the STAR-CD convention
    (around Z, around X' and around Y'').
    The order of the parameter arguments matches this rotation order.
 
    - the rotation angles are in degrees, unless otherwise explicitly specified:
 
    \verbatim
    rotation
    {
        type    starcd;
        angles  (0 0 180);
    }
    \endverbatim
 
    \heading Dictionary entries
    \table
        Property    | Description                           | Required | Default
        type        | Type name: starcd (or STARCDRotation) | yes   |
        angles      | The z-x-y rotation angles             | yes   |
        degrees     | Angles are in degrees                 | no    | true
    \endtable
 
SourceFiles
    STARCDCoordinateRotation.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef coordinateRotations_starcd_H
#define coordinateRotations_starcd_H
 
#include "coordinateRotation.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace coordinateRotations
{
 
/*---------------------------------------------------------------------------*\
                 Class coordinateRotations::starcd Declaration
\*---------------------------------------------------------------------------*/
 
class starcd
:
    public coordinateRotation
{
    // Private Data
 
        //- The rotation angles
        vector angles_;
 
        //- Angles measured in degrees
        bool degrees_;
 
 
public:
 
    //- Runtime type information
    TypeNameNoDebug("starcd");
 
 
    // Constructors
 
        //- Default construct - an identity transform
        starcd();
 
        //- Copy construct
        starcd(const starcd& crot);
 
        //- Construct from rotation vector
        starcd(const vector& rotZrotXrotY, bool degrees);
 
        //- Construct from components of rotation vector
        starcd(scalar rotZ, scalar rotX, scalar rotY, bool degrees);
 
        //- Construct from dictionary
        explicit starcd(const dictionary& dict);
 
        //- Return clone
        autoPtr<coordinateRotation> clone() const
        {
            return
                autoPtr<coordinateRotation>::NewFrom
                <coordinateRotations::starcd>(*this);
        }
 
 
    //- Destructor
    virtual ~starcd() = default;
 
 
    // Static Member Functions
 
        //- The rotation tensor calculated for the specified STARCD angles
        //- interpreted as rotate-Z, rotate-X, rotate-Y
        static tensor rotation(const vector& angles, bool degrees);
 
 
    // Member Functions
 
        //- Reset specification
        virtual void clear();
 
        //- The rotation tensor calculated for the specified STARCD angles.
        virtual tensor R() const;
 
        //- Write information
        virtual void write(Ostream& os) const;
 
        //- Write dictionary entry
        virtual void writeEntry(const word& keyword, Ostream& os) const;
 
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace coordinateRotations
 
//- Compatibility typedef 1806
typedef coordinateRotations::starcd STARCDCoordinateRotation;
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //