uniformInterpolatedDisplacementPointPatchVectorField.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2012-2016 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.

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Class
    Foam::uniformInterpolatedDisplacementPointPatchVectorField

Description
    Interpolates pre-specified motion.

    Motion specified as pointVectorFields.

Usage
    Example:
    \verbatim
    walls
    {
        type                uniformInterpolatedDisplacement;
        value               uniform (0 0 0);
        field               wantedDisplacement;
        interpolationScheme linear;
    }
    \endverbatim

    This will scan the case for \a wantedDisplacement pointVectorFields
    and interpolate those in time (using \c linear interpolation) to
    obtain the current displacement.
    The advantage of specifying displacement in this way is that it
    automatically works through decomposePar.

SourceFiles
    uniformInterpolatedDisplacementPointPatchVectorField.cxx

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

#ifndef Foam_uniformInterpolatedDisplacementPointPatchVectorField_H
#define Foam_uniformInterpolatedDisplacementPointPatchVectorField_H

#include "fixedValuePointPatchField.H"

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

namespace Foam
{

class interpolationWeights;

/*---------------------------------------------------------------------------*\
    Class uniformInterpolatedDisplacementPointPatchVectorField Declaration
\*---------------------------------------------------------------------------*/

class uniformInterpolatedDisplacementPointPatchVectorField
:
    public fixedValuePointPatchField<vector>
{
    typedef uniformInterpolatedDisplacementPointPatchVectorField this_bctype;
    typedef fixedValuePointPatchField<vector> parent_bctype;

    // Private Data

        //- Name of displacement field
        const word fieldName_;

        const word interpolationScheme_;

        //- Times with pre-specified displacement
        wordList timeNames_;

        //- Times with pre-specified displacement
        scalarField timeVals_;

        //- User-specified interpolator
        autoPtr<interpolationWeights> interpolatorPtr_;


        //- Cached interpolation times
        labelList currentIndices_;

        //- Cached interpolation weights
        scalarField currentWeights_;

public:

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


    // Constructors

        //- Construct from patch and internal field
        uniformInterpolatedDisplacementPointPatchVectorField
        (
            const pointPatch&,
            const DimensionedField<vector, pointMesh>&
        );

        //- Construct from patch, internal field and dictionary
        uniformInterpolatedDisplacementPointPatchVectorField
        (
            const pointPatch&,
            const DimensionedField<vector, pointMesh>&,
            const dictionary&
        );

        //- Construct by mapping onto a new patch
        uniformInterpolatedDisplacementPointPatchVectorField
        (
            const this_bctype&,
            const pointPatch&,
            const DimensionedField<vector, pointMesh>&,
            const pointPatchFieldMapper&
        );

        //- Construct as copy setting internal field reference
        uniformInterpolatedDisplacementPointPatchVectorField
        (
            const this_bctype&,
            const DimensionedField<vector, pointMesh>&
        );

        //- No copy without an internal field
        uniformInterpolatedDisplacementPointPatchVectorField
        (
            const this_bctype&
        ) = delete;

        //- Clone with an internal field reference
        virtual autoPtr<pointPatchField<vector>> clone
        (
            const DimensionedField<vector, pointMesh>& iF
        ) const
        {
            return pointPatchField<vector>::Clone(*this, iF);
        }


    // Member Functions

        // Evaluation functions

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


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


    // Member Operators

        //- Inherit assignment
        using parent_bctype::operator=;
};


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

} // End namespace Foam

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

#endif

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