ExpList3D.h

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///////////////////////////////////////////////////////////////////////////////
//
// File ExpList3D.h
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
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// Description: Expansion list 3D header definition
//
///////////////////////////////////////////////////////////////////////////////

#ifndef EXPLIST3D_H
#define EXPLIST3D_H

#include <MultiRegions/MultiRegionsDeclspec.h>
#include <MultiRegions/ExpList.h>       // for ExpList
#include <vector>

namespace Nektar
{
    namespace MultiRegions
    {
        /// Abstraction of a three-dimensional multi-elemental expansion which
        /// is merely a collection of local expansions.
        class ExpList3D:  public ExpList
        {
        public:
            /// Default constructor.
            MULTI_REGIONS_EXPORT ExpList3D();

            /// Copy constructor.
            MULTI_REGIONS_EXPORT ExpList3D(const ExpList3D &In);
            
            /// Constructor copying only elements defined in eIds.
            MULTI_REGIONS_EXPORT ExpList3D(  const ExpList3D &In,
                const std::vector<unsigned int> &eIDs,
                const bool DeclareCoeffPhysArrays = true,
                const Collections::ImplementationType ImpType
                        = Collections::eNoImpType);

            MULTI_REGIONS_EXPORT ExpList3D(  
                        const LibUtilities::SessionReaderSharedPtr &pSession,
                        const LibUtilities::BasisKey &TBa,
                        const LibUtilities::BasisKey &TBb,
                        const LibUtilities::BasisKey &TBc,
                        const LibUtilities::BasisKey &HBa,
                        const LibUtilities::BasisKey &HBb,
                        const LibUtilities::BasisKey &HBc,
                        const SpatialDomains::MeshGraphSharedPtr &graph3D,
                        const LibUtilities::PointsType TetNb
                        = LibUtilities::SIZE_PointsType,
                        const Collections::ImplementationType ImpType
                        = Collections::eNoImpType);

            /// Sets up a list of local expansions based on an input mesh.
            MULTI_REGIONS_EXPORT ExpList3D(
                        const LibUtilities::SessionReaderSharedPtr &pSession,
                        const SpatialDomains::MeshGraphSharedPtr &graph3D,
                        const std::string  &variable = "DefaultVar",
                        const Collections::ImplementationType ImpType
                        = Collections::eNoImpType);

            /// Sets up a list of local expansions based on an expansion vector
            MULTI_REGIONS_EXPORT  ExpList3D(const SpatialDomains::ExpansionMap &expansions,   const Collections::ImplementationType ImpType
                        = Collections::eNoImpType);

            /// Destructor.
            MULTI_REGIONS_EXPORT virtual ~ExpList3D();

        protected:

            /// Set up the normals on each expansion.
            virtual void v_SetUpPhysNormals();

        private:

            virtual void v_ReadGlobalOptimizationParameters();

            virtual void v_WriteVtkPieceHeader(std::ostream &outfile, int expansion, int istrip);

            virtual void v_PhysInterp1DScaled(const NekDouble scale, const Array<OneD, NekDouble> &inarray, Array<OneD, NekDouble> &outarray);

            virtual void v_PhysGalerkinProjection1DScaled(const NekDouble scale, const Array<OneD, NekDouble> &inarray, Array<OneD, NekDouble> &outarray);

        };

        /// Shared pointer to an ExpList3D object.
        typedef std::shared_ptr<ExpList3D>      ExpList3DSharedPtr;
        /// Vector of pointers to ExpList3D objects.
        typedef std::vector<ExpList3DSharedPtr>   ExpList3DVector;
    } //end of namespace
} //end of namespace

#endif