sixDoFRigidBodyMotionConstraint.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2014 OpenFOAM Foundation
    Copyright (C) 2023 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.

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Namespace
    Foam::sixDoFRigidBodyMotionConstraints

Description
    Namespace for six DoF motion constraints


Class
    Foam::sixDoFRigidBodyMotionConstraint

Description
    Base class for defining constraints for sixDoF motions

SourceFiles
    sixDoFRigidBodyMotionConstraint.C
    sixDoFRigidBodyMotionConstraintNew.C

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

#ifndef sixDoFRigidBodyMotionConstraint_H
#define sixDoFRigidBodyMotionConstraint_H

#include "Time.H"
#include "dictionary.H"
#include "autoPtr.H"
#include "point.H"
#include "pointConstraint.H"
#include "runTimeSelectionTables.H"

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

namespace Foam
{

// Forward declaration of classes
class sixDoFRigidBodyMotion;


/*---------------------------------------------------------------------------*\
                Class sixDoFRigidBodyMotionConstraint Declaration
\*---------------------------------------------------------------------------*/

class sixDoFRigidBodyMotionConstraint
{

protected:

    // Protected data

        //- Name of the constraint
        word name_;

        //- Constraint model specific coefficient dictionary
        dictionary sDoFRBMCCoeffs_;

        //- Reference to the body motion
        const sixDoFRigidBodyMotion& motion_;


public:

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


    // Declare run-time constructor selection table

        declareRunTimeSelectionTable
        (
            autoPtr,
            sixDoFRigidBodyMotionConstraint,
            dictionary,
            (
                const word& name,
                const dictionary& sDoFRBMCDict,
                const sixDoFRigidBodyMotion& motion
            ),
            (name, sDoFRBMCDict, motion)
        );


    // Constructors

        //- Construct from the sDoFRBMCDict dictionary and Time
        sixDoFRigidBodyMotionConstraint
        (
            const word& name,
            const dictionary& sDoFRBMCDict,
            const sixDoFRigidBodyMotion& motion
        );

        //- Construct and return a clone
        virtual autoPtr<sixDoFRigidBodyMotionConstraint> clone() const = 0;


    // Selectors

        //- Select constructed from the sDoFRBMCDict dictionary and Time
        static autoPtr<sixDoFRigidBodyMotionConstraint> New
        (
            const word& name,
            const dictionary& sDoFRBMCDict,
            const sixDoFRigidBodyMotion& motion
        );


    //- Destructor
    virtual ~sixDoFRigidBodyMotionConstraint();


    // Member Functions

        //- Return the name
        const word& name() const
        {
            return name_;
        }

        //- Set the centre of rotation if not the centre of mass
        virtual void setCentreOfRotation(point&) const
        {}

        //- Apply and accumulate translational constraints
        virtual void constrainTranslation(pointConstraint&) const = 0;

        //- Apply and accumulate rotational constraints
        virtual void constrainRotation(pointConstraint&) const = 0;

        //- Update properties from given dictionary
        virtual bool read(const dictionary& sDoFRBMCDict);

        // Access

            // Return access to sDoFRBMCCoeffs
            inline const dictionary& coeffDict() const
            {
                return sDoFRBMCCoeffs_;
            }

        //- Return const access to motion
        const sixDoFRigidBodyMotion& motion() const noexcept { return motion_; }


    // I-O

        //- Write
        virtual void write(Ostream&) const;
};


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

} // End namespace Foam

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

#endif

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