cuboid.H

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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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    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::RBD::cuboid
 
Description
    Specialisation of rigidBody to construct a cuboid given the mass and
    lengths of the sides.
 
SourceFiles
    cuboidI.H
    cuboid.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef RBD_cuboid_H
#define RBD_cuboid_H
 
#include "rigidBody.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace RBD
{
 
/*---------------------------------------------------------------------------*\
                           Class cuboid Declaration
\*---------------------------------------------------------------------------*/
 
class cuboid
:
    public rigidBody
{
    // Private Data
 
        //- Lengths of the sides
        vector L_;
 
 
    // Private Member Functions
 
        // Calculate and return the inertia tensor
        inline symmTensor I(const scalar m, const vector& L) const;
 
 
public:
 
    //- Runtime type information
    TypeName("cuboid");
 
 
    // Constructors
 
        //- Construct from name, mass, centre of mass and lengths of the sides.
        inline cuboid
        (
            const word& name,
            const scalar m,
            const vector& c,
            const vector& L
        );
 
        //- Construct from dictionary
        inline cuboid
        (
            const word& name,
            const dictionary& dict
        );
 
        //- Return clone of this cuboid
        virtual autoPtr<rigidBody> clone() const;
 
 
    //- Destructor
    virtual ~cuboid();
 
 
    // Member Functions
 
        //- Return the lengths of the sides of the cuboid
        inline const vector& L() const;
 
        //- Return the zeroth moments of the sections of the body between
        //  planes defined by distances along the given axis
        virtual tmp<scalarField> sectionMu0s
        (
            const direction axis,
            const scalarField& distances
        ) const;
 
        //- Return the first moments of the sections of the body between
        //  planes defined by distances along the given axis
        virtual tmp<vectorField> sectionMu1s
        (
            const direction axis,
            const scalarField& distances
        ) const;
 
        //- Return the second moments of the sections of the body between
        //  planes defined by distances along the given axis
        virtual tmp<symmTensorField> sectionMu2s
        (
            const direction axis,
            const scalarField& distances
        ) const;
 
        //- Write
        virtual void write(Ostream&) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace RBD
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "cuboidI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //