HexExp.h

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///////////////////////////////////////////////////////////////////////////////
//
// File HexExp.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
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description: Header routines for Hex expansion
//
///////////////////////////////////////////////////////////////////////////////
 
#ifndef HEXEXP_H
#define HEXEXP_H
 
#include <LibUtilities/BasicUtils/NekManager.hpp> // for NekManager
 
#include <LocalRegions/Expansion3D.h>
#include <LocalRegions/LocalRegionsDeclspec.h>
#include <LocalRegions/MatrixKey.h>
#include <SpatialDomains/HexGeom.h>
#include <StdRegions/StdHexExp.h>
 
namespace Nektar
{
namespace SpatialDomains
{
class HexGeom;
typedef std::shared_ptr<HexGeom> HexGeomSharedPtr;
} // namespace SpatialDomains
 
namespace LocalRegions
{
class HexExp;
 
typedef std::shared_ptr<HexExp> HexExpSharedPtr;
typedef std::vector<HexExpSharedPtr> HexExpVector;
 
class HexExp : virtual public StdRegions::StdHexExp, virtual public Expansion3D
{
public:
    LOCAL_REGIONS_EXPORT HexExp(const LibUtilities::BasisKey &Ba,
                                const LibUtilities::BasisKey &Bb,
                                const LibUtilities::BasisKey &Bc,
                                const SpatialDomains::HexGeomSharedPtr &geom);
 
    LOCAL_REGIONS_EXPORT HexExp(const HexExp &T);
 
    LOCAL_REGIONS_EXPORT ~HexExp();
 
protected:
    //------------------------------
    //    Integration Method
    //------------------------------
    LOCAL_REGIONS_EXPORT virtual NekDouble v_Integral(
        const Array<OneD, const NekDouble> &inarray);
 
    //-----------------------------
    // Differentiation Methods
    //-----------------------------
    LOCAL_REGIONS_EXPORT virtual void v_PhysDeriv(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &out_d0, Array<OneD, NekDouble> &out_d1,
        Array<OneD, NekDouble> &out_d2);
 
    LOCAL_REGIONS_EXPORT virtual void v_PhysDeriv(
        const int dir, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    LOCAL_REGIONS_EXPORT void v_PhysDirectionalDeriv(
        const Array<OneD, const NekDouble> &inarray,
        const Array<OneD, const NekDouble> &direction,
        Array<OneD, NekDouble> &out);
 
    //---------------------------------------
    // Transforms
    //---------------------------------------
    LOCAL_REGIONS_EXPORT virtual void v_FwdTrans(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    //---------------------------------------
    // Inner product functions
    //---------------------------------------
    LOCAL_REGIONS_EXPORT virtual void v_IProductWRTBase(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    LOCAL_REGIONS_EXPORT virtual void v_IProductWRTBase_SumFac(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, bool multiplybyweights = true);
 
    LOCAL_REGIONS_EXPORT virtual void v_IProductWRTDerivBase(
        const int dir, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    LOCAL_REGIONS_EXPORT void IProductWRTDerivBase_SumFac(
        const int dir, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    LOCAL_REGIONS_EXPORT virtual void v_AlignVectorToCollapsedDir(
        const int dir, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, Array<OneD, NekDouble>> &outarray);
 
    LOCAL_REGIONS_EXPORT void IProductWRTDerivBase_MatOp(
        const int dir, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    LOCAL_REGIONS_EXPORT void v_IProductWRTDirectionalDerivBase(
        const Array<OneD, const NekDouble> &direction,
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray)
    {
        IProductWRTDirectionalDerivBase_SumFac(direction, inarray, outarray);
    }
 
    LOCAL_REGIONS_EXPORT void IProductWRTDirectionalDerivBase_SumFac(
        const Array<OneD, const NekDouble> &direction,
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    //---------------------------------------
    // Evaluation functions
    //---------------------------------------
    LOCAL_REGIONS_EXPORT virtual NekDouble v_StdPhysEvaluate(
        const Array<OneD, const NekDouble> &Lcoord,
        const Array<OneD, const NekDouble> &physvals);
 
    LOCAL_REGIONS_EXPORT virtual NekDouble v_PhysEvaluate(
        const Array<OneD, const NekDouble> &coords,
        const Array<OneD, const NekDouble> &physvals);
 
    LOCAL_REGIONS_EXPORT virtual void v_GetCoord(
        const Array<OneD, const NekDouble> &Lcoords,
        Array<OneD, NekDouble> &coords);
 
    LOCAL_REGIONS_EXPORT virtual void v_GetCoords(
        Array<OneD, NekDouble> &coords_1, Array<OneD, NekDouble> &coords_2,
        Array<OneD, NekDouble> &coords_3);
 
    //---------------------------------------
    // Helper functions
    //---------------------------------------
    LOCAL_REGIONS_EXPORT virtual LibUtilities::ShapeType v_DetShapeType() const;
 
    LOCAL_REGIONS_EXPORT virtual StdRegions::StdExpansionSharedPtr v_GetStdExp(
        void) const;
 
    LOCAL_REGIONS_EXPORT virtual StdRegions::StdExpansionSharedPtr v_GetLinStdExp(
        void) const;
 
    LOCAL_REGIONS_EXPORT virtual void v_ExtractDataToCoeffs(
        const NekDouble *data, const std::vector<unsigned int> &nummodes,
        const int mode_offset, NekDouble *coeffs,
        std::vector<LibUtilities::BasisType> &fromType);
 
    LOCAL_REGIONS_EXPORT virtual bool v_GetFaceDGForwards(const int i) const;
 
    LOCAL_REGIONS_EXPORT virtual void v_GetTracePhysMap(
        const int face, Array<OneD, int> &outarray);
 
    LOCAL_REGIONS_EXPORT void v_ComputeTraceNormal(const int face);
 
    //---------------------------------------
    // Operator creation functions
    //---------------------------------------
    LOCAL_REGIONS_EXPORT virtual void v_MassMatrixOp(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_LaplacianMatrixOp(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_LaplacianMatrixOp(
        const int k1, const int k2, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_WeakDerivMatrixOp(
        const int i, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_WeakDirectionalDerivMatrixOp(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_MassLevelCurvatureMatrixOp(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_HelmholtzMatrixOp(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT void v_GeneralMatrixOp_MatOp(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_ReduceOrderCoeffs(
        int numMin, const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray);
 
    LOCAL_REGIONS_EXPORT virtual void v_SVVLaplacianFilter(
        Array<OneD, NekDouble> &array, const StdRegions::StdMatrixKey &mkey);
 
    //---------------------------------------
    // Matrix creation functions
    //---------------------------------------
    LOCAL_REGIONS_EXPORT virtual DNekMatSharedPtr v_GenMatrix(
        const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual DNekMatSharedPtr v_CreateStdMatrix(
        const StdRegions::StdMatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual DNekScalMatSharedPtr v_GetLocMatrix(
        const MatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual DNekScalBlkMatSharedPtr v_GetLocStaticCondMatrix(
        const MatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT void v_DropLocStaticCondMatrix(const MatrixKey &mkey);
 
    LOCAL_REGIONS_EXPORT virtual void v_ComputeLaplacianMetric();
 
private:
    LibUtilities::NekManager<MatrixKey, DNekScalMat, MatrixKey::opLess>
        m_matrixManager;
    LibUtilities::NekManager<MatrixKey, DNekScalBlkMat, MatrixKey::opLess>
        m_staticCondMatrixManager;
 
    HexExp();
 
    virtual void v_LaplacianMatrixOp_MatFree_Kernel(
        const Array<OneD, const NekDouble> &inarray,
        Array<OneD, NekDouble> &outarray, Array<OneD, NekDouble> &wsp);
 
    virtual void v_NormalTraceDerivFactors(
        Array<OneD, Array<OneD, NekDouble>> &factors,
        Array<OneD, Array<OneD, NekDouble>> &d0factors,
        Array<OneD, Array<OneD, NekDouble>> &d1factors);
};
 
} // namespace LocalRegions
} // namespace Nektar
 
#endif // HEX_EXP_H