zeroValuePointPatchField.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2014 OpenFOAM Foundation
    Copyright (C) 2023-2025 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::zeroValuePointPatchField
 
Description
    Specifies a zero fixed value boundary condition
 
    Example of the boundary condition specification:
    \verbatim
    inlet
    {
        type    zeroValue;
    }
    \endverbatim
 
SourceFiles
    zeroValuePointPatchField.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_zeroValuePointPatchField_H
#define Foam_zeroValuePointPatchField_H
 
#include "fixedValuePointPatchField.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                  Class zeroValuePointPatchField Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class zeroValuePointPatchField
:
    public fixedValuePointPatchField<Type>
{
    //- The parent boundary condition type
    typedef fixedValuePointPatchField<Type> parent_bctype;
 
public:
 
    //- Runtime type information
    TypeName("zeroValue");
 
 
    // Constructors
 
        //- Construct from patch and internal field
        zeroValuePointPatchField
        (
            const pointPatch&,
            const DimensionedField<Type, pointMesh>&
        );
 
        //- Construct from patch, internal field and dictionary
        zeroValuePointPatchField
        (
            const pointPatch&,
            const DimensionedField<Type, pointMesh>&,
            const dictionary&
        );
 
        //- Copy construct onto a new patch
        zeroValuePointPatchField
        (
            const zeroValuePointPatchField<Type>& pfld,
            const pointPatch& p,
            const DimensionedField<Type, pointMesh>& iF,
            const pointPatchFieldMapper&
        );
 
        //- Copy construct with internal field reference
        zeroValuePointPatchField
        (
            const zeroValuePointPatchField<Type>& pfld,
            const DimensionedField<Type, pointMesh>& iF
        );
 
        //- Copy construct
        zeroValuePointPatchField(const zeroValuePointPatchField<Type>& pfld)
        :
            zeroValuePointPatchField<Type>(pfld, pfld.internalField())
        {}
 
 
        //- Return a clone
        virtual autoPtr<pointPatchField<Type>> clone() const
        {
            return pointPatchField<Type>::Clone(*this);
        }
 
        //- Construct and return a clone setting internal field reference
        virtual autoPtr<pointPatchField<Type>> clone
        (
            const DimensionedField<Type, pointMesh>& iF
        ) const
        {
            return pointPatchField<Type>::Clone(*this, iF);
        }
 
 
    // Member Functions
 
        //- True: this patch field fixes a value.
        virtual bool fixesValue() const { return true; }
 
        //- False: this patch field is not altered by assignment.
        virtual bool assignable() const { return false; }
 
        //- Write (without "value" entry)
        virtual void write(Ostream& os) const;
 
 
    // Member Operators
 
        // Disable assignment operators
        virtual void operator=(const valuePointPatchField<Type>&) {}
        virtual void operator=(const pointPatchField<Type>&) {}
        virtual void operator=(const Field<Type>&) {}
        virtual void operator=(const Type&) {}
 
        // Disable forced assignment operators
        virtual void operator==(const valuePointPatchField<Type>&) {}
        virtual void operator==(const pointPatchField<Type>&) {}
        virtual void operator==(const Field<Type>&) {}
        virtual void operator==(const Type&) {}
 
        // Prevent automatic comparison rewriting (c++20)
        bool operator!=(const valuePointPatchField<Type>&) const = delete;
        bool operator!=(const pointPatchField<Type>&) const = delete;
        bool operator!=(const Field<Type>&) const = delete;
        bool operator!=(const Type&) const = delete;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "zeroValuePointPatchField.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //