softWall.H

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    Copyright (C) 2022 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
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Class
    Foam::sixDoFRigidBodyMotionRestraints::softWall
 
Description
    sixDoFRigidBodyMotionRestraints model.  Soft wall.
 
SourceFiles
    softWall.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef sixDoFRigidBodyMotionRestraints_softWall_H
#define sixDoFRigidBodyMotionRestraints_softWall_H
 
#include "sixDoFRigidBodyMotionRestraint.H"
#include "point.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
namespace sixDoFRigidBodyMotionRestraints
{
 
/*---------------------------------------------------------------------------*\
                          Class softWall Declaration
\*---------------------------------------------------------------------------*/
 
class softWall
:
    public sixDoFRigidBodyMotionRestraint
{
    // Private Data
 
        //- Anchor point, where the spring is attached to an immovable
        //- object
        point anchor_;
 
        //- Reference point of attachment to the solid body
        point refAttachmentPt_;
 
        //- Wall normal
        vector wallNormal_;
 
        //- Damping factor
        scalar psi_;
 
        //- Damping coefficient [1/sec]
        scalar C_;
 
 
public:
 
    //- Runtime type information
    TypeName("softWall");
 
 
    // Constructors
 
        //- Construct from components
        softWall
        (
            const word& name,
            const dictionary& sDoFRBMRDict
        );
 
        //- Construct and return a clone
        virtual autoPtr<sixDoFRigidBodyMotionRestraint> clone() const
        {
            return autoPtr<sixDoFRigidBodyMotionRestraint>
            (
                new softWall(*this)
            );
        }
 
 
    //- Destructor
    virtual ~softWall() = default;
 
 
    // Member Functions
 
        //- Calculate the restraint position, force and moment.
        //  Global reference frame vectors.
        virtual void restrain
        (
            const sixDoFRigidBodyMotion& motion,
            vector& restraintPosition,
            vector& restraintForce,
            vector& restraintMoment
        ) const;
 
        //- Update properties from given dictionary
        virtual bool read(const dictionary& sDoFRBMRCoeff);
 
        //- Write
        virtual void write(Ostream&) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace solidBodyMotionFunctions
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //