ROutflow.h

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///////////////////////////////////////////////////////////////////////////////
//
// File ROutflow.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).
//
// License for the specific language governing rights and limitations under
// 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
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// DEALINGS IN THE SOFTWARE.
//
// Description: ROutflow header
//
///////////////////////////////////////////////////////////////////////////////
#ifndef NEKTAR_ROUTFLOW_H
#define NEKTAR_ROUTFLOW_H
 
#include <LibUtilities/Memory/NekMemoryManager.hpp>
#include <PulseWaveSolver/EquationSystems/PulseWaveBoundary.h>
#include <string>
 
namespace Nektar
{
 
// Forward declarations
class ROutflow;
 
// Pointer to a PulseWaveOutflow object.
typedef std::shared_ptr<ROutflow> ROutflowSharedPtr;
 
// A global linear system.
class ROutflow : public PulseWaveBoundary
{
    public:
        // Creates an instance of this class
        static PulseWaveBoundarySharedPtr
        create(Array<OneD, MultiRegions::ExpListSharedPtr> &pVessel,
               const LibUtilities::SessionReaderSharedPtr &pSession,
               PulseWavePressureAreaSharedPtr &pressureArea)
        {
            return MemoryManager<ROutflow>::AllocateSharedPtr(pVessel, pSession,
                                                              pressureArea);
        }
 
        // Name of class
        static std::string className;
 
        ROutflow(Array<OneD, MultiRegions::ExpListSharedPtr> pVessel,
                 const LibUtilities::SessionReaderSharedPtr pSession,
                 PulseWavePressureAreaSharedPtr pressureArea);
 
        virtual ~ROutflow();
 
    protected:
        virtual void
        v_DoBoundary(const Array<OneD, const Array<OneD, NekDouble> > &inarray,
                     Array<OneD, Array<OneD, NekDouble> > &A_0,
                     Array<OneD, Array<OneD, NekDouble> > &beta,
                     Array<OneD, Array<OneD, NekDouble> > &alpha,
                     const NekDouble time, int omega, int offset, int n);
 
      void R_RiemannSolver(NekDouble R, NekDouble A_l, NekDouble u_l,
                           NekDouble A_0, NekDouble beta, NekDouble alpha,
                           NekDouble POut, NekDouble &A_u, NekDouble &u_u);
 
    private:
};
 
} // namespace Nektar
 
#endif