pointMasses.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2016-2026 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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
    Foam::RBD::pointMasses
 
Description
    Specialisation of rigidBody to construct a pointMasses given the mass and
    lengths of the sides.
 
SourceFiles
    pointMassesI.H
    pointMasses.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef RBD_pointMasses_H
#define RBD_pointMasses_H
 
#include "rigidBody.H"
#include "TableReader.H"
#include "pointField.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace RBD
{
 
/*---------------------------------------------------------------------------*\
                           Class pointMasses Declaration
\*---------------------------------------------------------------------------*/
 
class pointMasses
:
    public rigidBody
{
    // Private Data
 
        //- Table reader
        const autoPtr<TableReader<point, scalar>> reader_;
 
        //- Points
        pointField points_;
 
        //- Masses
        scalarField masses_;
 
        //- Indices of the points when sorted in the three axes
        mutable PtrList<labelList> sortedPointis_;
 
 
    // Private Member Functions
 
        //- Return the n-th moments of the sections of the body between
        //  planes defined by distances along the given axis
        template<class Type, class Op>
        tmp<Field<Type>> sectionMuNs
        (
            const direction axis,
            const scalarField& distances,
            const Op& op
        ) const;
 
 
public:
 
    //- Runtime type information
    TypeName("pointMasses");
 
 
    // Constructors
 
        //- Construct from dictionary
        pointMasses
        (
            const word& name,
            const dictionary& dict
        );
 
        //- Copy construct
        pointMasses(const pointMasses&);
 
        //- Return clone of this pointMasses
        virtual autoPtr<rigidBody> clone() const;
 
 
    //- Destructor
    virtual ~pointMasses();
 
 
    // Member Functions
 
        //- 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
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //