ImageWarpingSystem.h

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///////////////////////////////////////////////////////////////////////////////
//
// File ImageWarpingSystem.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
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// DEALINGS IN THE SOFTWARE.
//
// Description: Unsteady advection solve routines
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_SOLVERS_IMAGEWARPINGSOLVER_EQUATIONSYSTEMS_IMAGEWARPINGSYSTEM_H
#define NEKTAR_SOLVERS_IMAGEWARPINGSOLVER_EQUATIONSYSTEMS_IMAGEWARPINGSYSTEM_H

#include <SolverUtils/AdvectionSystem.h>
#include <SolverUtils/RiemannSolvers/RiemannSolver.h>

using namespace Nektar::SolverUtils;

namespace Nektar
{
    class ImageWarpingSystem : public AdvectionSystem
    {
    public:
        friend class MemoryManager<ImageWarpingSystem>;

        /// Creates an instance of this class
        static EquationSystemSharedPtr create(
            const LibUtilities::SessionReaderSharedPtr& pSession,
            const SpatialDomains::MeshGraphSharedPtr &pGraph)
        {
            EquationSystemSharedPtr p = MemoryManager<ImageWarpingSystem>
                ::AllocateSharedPtr(pSession, pGraph);
            p->InitObject();
            return p;
        }
        /// Name of class
        static std::string className;

        virtual ~ImageWarpingSystem();

    protected:
        SolverUtils::RiemannSolverSharedPtr     m_riemannSolver;
        Array<OneD, Array<OneD, NekDouble> > m_velocity;
        Array<OneD, NekDouble>               m_traceVn;
        NekDouble m_alpha;

        ImageWarpingSystem(
            const LibUtilities::SessionReaderSharedPtr& pSession,
            const SpatialDomains::MeshGraphSharedPtr &pGraph);

        void DoOdeRhs(const Array<OneD,  const  Array<OneD, NekDouble> > &inarray,
                      Array<OneD,  Array<OneD, NekDouble> > &outarray,
                      const NekDouble time);

        void DoOdeProjection(const Array<OneD,  const  Array<OneD, NekDouble> > &inarray,
                          Array<OneD,  Array<OneD, NekDouble> > &outarray,
                          const NekDouble time);

        /// Get the normal velocity
        Array<OneD, NekDouble> &GetNormalVelocity();

        virtual void v_InitObject();

        // DG Advection routines
        void GetFluxVector(
            const Array<OneD, Array<OneD, NekDouble> >               &physfield,
                  Array<OneD, Array<OneD, Array<OneD, NekDouble> > > &flux);

        // Print Summary
        virtual void v_GenerateSummary(SolverUtils::SummaryList& s);
    };
}

#endif