QInflow.h

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///////////////////////////////////////////////////////////////////////////////
//
// File: QInflow.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: QInflow header
//
///////////////////////////////////////////////////////////////////////////////
#ifndef NEKTAR_QINFLOW_H
#define NEKTAR_QINFLOW_H
 
#include <LibUtilities/Memory/NekMemoryManager.hpp>
#include <PulseWaveSolver/EquationSystems/PulseWaveBoundary.h>
#include <string>
 
namespace Nektar
{
 
// Forward declarations
class QInflow;
 
// Pointer to a PulseWaveOutflow object.
typedef std::shared_ptr<QInflow> QInflowSharedPtr;
 
// A global linear system.
class QInflow : public PulseWaveBoundary
{
public:
    friend class MemoryManager<QInflow>;
 
    // Creates an instance of this class
    static PulseWaveBoundarySharedPtr create(
        Array<OneD, MultiRegions::ExpListSharedPtr> &pVessel,
        const LibUtilities::SessionReaderSharedPtr &pSession,
        PulseWavePressureAreaSharedPtr &pressureArea)
    {
        return MemoryManager<QInflow>::AllocateSharedPtr(pVessel, pSession,
                                                         pressureArea);
    }
 
    /// Name of class
    static std::string className;
 
protected:
    QInflow(Array<OneD, MultiRegions::ExpListSharedPtr> pVessel,
            const LibUtilities::SessionReaderSharedPtr pSession,
            PulseWavePressureAreaSharedPtr pressureArea);
 
    ~QInflow() override = default;
 
    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) override;
 
private:
    void Q_RiemannSolver(NekDouble Q, NekDouble A_r, NekDouble u_r,
                         NekDouble A_0, NekDouble beta, NekDouble alpha,
                         NekDouble &Au, NekDouble &uu);
};
 
} // namespace Nektar
 
#endif