cyclicACMIFvPatchField.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2013-2016 OpenFOAM Foundation
    Copyright (C) 2019 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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    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
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Class
    Foam::cyclicACMIFvPatchField

Group
    grpCoupledBoundaryConditions

Description
    This boundary condition enforces a cyclic condition between a pair of
    boundaries, whereby communication between the patches is performed using
    an arbitrarily coupled mesh interface (ACMI) interpolation.

Usage
    Example of the boundary condition specification:
    \verbatim
    <patchName>
    {
        type            cyclicACMI;
    }
    \endverbatim

See also
    Foam::AMIInterpolation

SourceFiles
    cyclicACMIFvPatchField.C

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

#ifndef Foam_cyclicACMIFvPatchField_H
#define Foam_cyclicACMIFvPatchField_H

#include "coupledFvPatchField.H"
#include "cyclicACMILduInterfaceField.H"
#include "cyclicACMIFvPatch.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                   Class cyclicACMIFvPatchField Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class cyclicACMIFvPatchField
:
    virtual public cyclicACMILduInterfaceField,
    public coupledFvPatchField<Type>
{
    // Private data

        //- Local reference cast into the cyclic patch
        const cyclicACMIFvPatch& cyclicACMIPatch_;


    // Private Member Functions

        //- Return neighbour side field given internal fields
        template<class Type2>
        tmp<Field<Type2>> neighbourSideField
        (
            const Field<Type2>&
        ) const;

         //- Return new matrix coeffs
        tmp<Field<scalar>> coeffs
        (
            fvMatrix<Type>& matrix,
            const Field<scalar>&,
            const label
        ) const;



public:

    //- Runtime type information
    TypeName(cyclicACMIFvPatch::typeName_());


    // Constructors

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

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

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

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

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

        //- Construct as copy setting internal field reference
        cyclicACMIFvPatchField
        (
            const cyclicACMIFvPatchField<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 cyclicACMIFvPatchField<Type>(*this, iF)
            );
        }


    // Member functions

        // Access

            //- Return local reference cast into the cyclic AMI patch
            const cyclicACMIFvPatch& cyclicACMIPatch() const
            {
                return cyclicACMIPatch_;
            }


        // Evaluation functions

            //- Return true if coupled. Note that the underlying patch
            //  is not coupled() - the points don't align
            virtual bool coupled() const;

            //- Return true if this patch field fixes a value
            //  Needed to check if a level has to be specified while solving
            //  Poisson equations
            virtual bool fixesValue() const
            {
                const scalarField& mask =
                    cyclicACMIPatch_.cyclicACMIPatch().mask();

                if (gMax(mask) > 1e-5)
                {
                    // regions connected
                    return false;
                }
                else
                {
                    // fully separated
                    return nonOverlapPatchField().fixesValue();
                }
            }


            //- Return neighbour coupled internal cell data
            virtual tmp<Field<Type>> patchNeighbourField() const;

            //- Return reference to neighbour patchField
            const cyclicACMIFvPatchField<Type>& neighbourPatchField() const;

            //- Return reference to non-overlapping patchField
            const fvPatchField<Type>& nonOverlapPatchField() const;

            //- Update result field based on interface functionality
            virtual void updateInterfaceMatrix
            (
                solveScalarField& result,
                const bool add,
                const lduAddressing& lduAddr,
                const label patchId,
                const solveScalarField& psiInternal,
                const scalarField& coeffs,
                const direction cmpt,
                const Pstream::commsTypes commsType
            ) const;

            //- Update result field based on interface functionality
            virtual void updateInterfaceMatrix
            (
                Field<Type>&,
                const bool add,
                const lduAddressing& lduAddr,
                const label patchId,
                const Field<Type>&,
                const scalarField&,
                const Pstream::commsTypes commsType
            ) const;

            //- Manipulate matrix
            virtual void manipulateMatrix(fvMatrix<Type>& matrix);

            //- Manipulate matrix
            virtual void manipulateMatrix
            (
                fvMatrix<Type>& m,
                const label iMatrix,
                const direction cmpt
            );

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


        // Cyclic AMI coupled interface functions

            //- Does the patch field perform the transformation
            virtual bool doTransform() const
            {
                return (pTraits<Type>::rank && !cyclicACMIPatch_.parallel());
            }

            //- Return face transformation tensor
            virtual const tensorField& forwardT() const
            {
                return cyclicACMIPatch_.forwardT();
            }

            //- Return neighbour-cell transformation tensor
            virtual const tensorField& reverseT() const
            {
                return cyclicACMIPatch_.reverseT();
            }

            //- Return rank of component for transform
            virtual int rank() const
            {
                return pTraits<Type>::rank;
            }


        // I-O

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


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

} // End namespace Foam

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

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

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

#endif

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