fvConstraints.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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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    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::fvConstraints
 
Description
    Finite volume constraints
 
SourceFiles
    fvConstraints.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef fvConstraints_H
#define fvConstraints_H
 
#include "fvConstraint.H"
#include "PtrListDictionary.H"
#include "DemandDrivenMeshObject.H"
#include "HashSet.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of friend functions and operators
class fvConstraints;
 
Ostream& operator<<(Ostream& os, const fvConstraints& constraints);
 
 
/*---------------------------------------------------------------------------*\
                           Class fvConstraints Declaration
\*---------------------------------------------------------------------------*/
 
class fvConstraints
:
    public DemandDrivenMeshObject<fvMesh, UpdateableMeshObject, fvConstraints>,
    public dictionary,
    public PtrListDictionary<fvConstraint>
{
    // Private Member Data
 
        //- Time index to check that all defined sources have been applied
        mutable label checkTimeIndex_;
 
        //- Sets of the fields that have been constrained by the fvConstraints
        mutable PtrList<wordHashSet> constrainedFields_;
 
 
    // Private Member Functions
 
        //- Create IO object if dictionary is present
        IOobject createIOobject(const fvMesh& mesh) const;
 
        //- Check that all fvConstraints have been applied
        void checkApplied() const;
 
 
public:
 
    //- Runtime type information
    TypeName("fvConstraints");
 
 
    // Constructors
 
        //- Construct from components with list of field names
        fvConstraints(const fvMesh& mesh);
 
        //- Disallow default bitwise copy construction
        fvConstraints(const fvConstraints&) = delete;
 
        //- Inherit the base New method
        using DemandDrivenMeshObject
        <
            fvMesh,
            UpdateableMeshObject,
            fvConstraints
        >::New;
 
 
    //- Destructor
    virtual ~fvConstraints()
    {}
 
 
    // Member Functions
 
        //- Declare fvConstraints to be a global dictionary
        virtual bool global() const
        {
            return true;
        }
 
 
        // Checks
 
            //- Return true if an fvConstraint constrains the given field
            virtual bool constrainsField(const word& fieldName) const;
 
 
        // Constraints
 
            //- Apply constraints to an equation
            template<class Type>
            bool constrain(fvMatrix<Type>& eqn) const;
 
            //- Apply constraints to a field
            template<class Type>
            bool constrain
            (
                VolField<Type>& field
            ) const;
 
 
        // Mesh changes
 
            //- Update for mesh motion
            virtual bool movePoints();
 
            //- Update topology using the given map
            virtual void topoChange(const polyTopoChangeMap&);
 
            //- Update from another mesh using the given map
            virtual void mapMesh(const polyMeshMap&);
 
            //- Redistribute or update using the given distribution map
            virtual void distribute(const polyDistributionMap&);
 
 
        // IO
 
            //- ReadData function which reads the fvConstraints dictionary
            //  required for regIOobject read operation
            virtual bool readData(Istream&);
 
            //- Write data to Ostream
            virtual bool writeData(Ostream& os) const;
 
            //- Read the fvConstraints dictionary if it has changed
            //  and update the constraints
            virtual bool read();
 
 
    // Member Operators
 
        //- Inherit the PtrListDictionary index operators
        using PtrListDictionary<fvConstraint>::operator[];
 
        //- Inherit the PtrListDictionary size function
        using PtrListDictionary<fvConstraint>::size;
 
        //- Disallow default bitwise assignment
        void operator=(const fvConstraints&) = delete;
 
 
    // IOstream Operators
 
        //- Ostream operator
        friend Ostream& operator<<
        (
            Ostream& os,
            const fvConstraints& constraints
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
//- Trait for obtaining global status
template<>
struct typeGlobal<fvConstraints>
{
    static const bool global = true;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "fvConstraintsTemplates.C"
#endif
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //