exprMixedFvPatchField.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2019-2021 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.

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    You should have received a copy of the GNU General Public License
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Class
    Foam::exprMixedFvPatchField

Description
    A mixed boundary condition with expressions.

Usage
    \table
        Property     | Description                          | Required | Default
        valueExpr    | expression for uniformValue          | partly  | 0
        gradientExpr | expression for uniformGradient       | partly  | 0
        fractionExpr | expression for valueFraction         | partly  | depends
        value        | initial field value                  | optional |
    \endtable

Note
    The \c value entry (optional) is used for the initial values.
    Otherwise uses some heuristics of other entries
    (not properly documented now since this boundary condition is deprecated).

    This boundary condition is deprecated in favour of
    Foam::uniformMixedFvPatchField,
    Foam::uniformFixedValueFvPatchField,
    Foam::uniformFixedGradientFvPatchField
    with expression entries.

SourceFiles
    exprMixedFvPatchField.C

\*---------------------------------------------------------------------------*/

#ifndef FoamDeprecated_exprMixedFvPatchField_H
#define FoamDeprecated_exprMixedFvPatchField_H

#include "mixedFvPatchField.H"
#include "patchExprFieldBase.H"
#include "patchExprDriver.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
                    Class exprMixedFvPatchField Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class exprMixedFvPatchField
:
    public mixedFvPatchField<Type>,
    public expressions::patchExprFieldBase
{
    //- The parent boundary condition type
    typedef mixedFvPatchField<Type> parent_bctype;


protected:

    // Protected Data

        //- Dictionary contents for the boundary condition
        dictionary dict_;

        //- The expression driver
        expressions::patchExpr::parseDriver driver_;


    // Protected Member Functions

        //- Set debug ON if "debug" is enabled
        void setDebug();


public:

    //- Runtime type information
    TypeName("exprMixed");


    // Constructors

        //- Construct from patch and internal field
        exprMixedFvPatchField
        (
            const fvPatch& p,
            const DimensionedField<Type, volMesh>&
        );

        //- Construct from patch, internal field and dictionary
        exprMixedFvPatchField
        (
            const fvPatch&,
            const DimensionedField<Type, volMesh>&,
            const dictionary& dict
        );

        //- Construct by mapping onto a new patch
        exprMixedFvPatchField
        (
            const exprMixedFvPatchField<Type>&,
            const fvPatch&,
            const DimensionedField<Type, volMesh>&,
            const fvPatchFieldMapper&
        );

        //- Construct as copy
        exprMixedFvPatchField
        (
            const exprMixedFvPatchField<Type>&
        );

        //- Construct and return a clone
        virtual tmp<fvPatchField<Type>> clone() const
        {
            return tmp<fvPatchField<Type>>
            (
                new exprMixedFvPatchField<Type>(*this)
            );
        }

        //- Construct as copy setting internal field reference
        exprMixedFvPatchField
        (
            const exprMixedFvPatchField<Type>&,
            const DimensionedField<Type, volMesh>&
        );

        //- Construct and return a clone setting internal field reference
        virtual tmp<fvPatchField<Type>> clone
        (
            const DimensionedField<Type, volMesh>& iF
        ) const
        {
            return tmp<fvPatchField<Type>>
            (
                new exprMixedFvPatchField<Type>(*this, iF)
            );
        }


    // Member Functions

        //- Update the coefficients associated with the patch field
        virtual void updateCoeffs();

        //- Write
        virtual void write(Ostream& os) const;
};

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#ifdef NoRepository
    #include "exprMixedFvPatchField.C"
#endif

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //