PressureOutflowNonReflectiveBC.h

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///////////////////////////////////////////////////////////////////////////////
//
// File: PressureOutflowNonReflectiveBC.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"),
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// Description: Pressure outflow non-reflective boundary condition
//
///////////////////////////////////////////////////////////////////////////////
 
#ifndef NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_BNDCOND_PRESOUTFLOWNONREFBC
#define NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_BNDCOND_PRESOUTFLOWNONREFBC
 
#include "CFSBndCond.h"
 
namespace Nektar
{
 
/**
 * @brief Pressure outflow non-reflective
 * boundary conditions for compressible flow
 * problems.
 */
class PressureOutflowNonReflectiveBC : public CFSBndCond
{
public:
    friend class MemoryManager<PressureOutflowNonReflectiveBC>;
 
    /// Creates an instance of this class
    static CFSBndCondSharedPtr create(
        const LibUtilities::SessionReaderSharedPtr &pSession,
        const Array<OneD, MultiRegions::ExpListSharedPtr> &pFields,
        const Array<OneD, Array<OneD, NekDouble>> &pTraceNormals,
        const Array<OneD, Array<OneD, NekDouble>> &pGridVelocity,
        const int pSpaceDim, const int bcRegion, const int cnt)
    {
        CFSBndCondSharedPtr p =
            MemoryManager<PressureOutflowNonReflectiveBC>::AllocateSharedPtr(
                pSession, pFields, pTraceNormals, pGridVelocity, pSpaceDim,
                bcRegion, cnt);
        return p;
    }
 
    /// Name of the class
    static std::string className;
 
protected:
    void v_Apply(Array<OneD, Array<OneD, NekDouble>> &Fwd,
                 Array<OneD, Array<OneD, NekDouble>> &physarray,
                 const NekDouble &time) override;
 
private:
    PressureOutflowNonReflectiveBC(
        const LibUtilities::SessionReaderSharedPtr &pSession,
        const Array<OneD, MultiRegions::ExpListSharedPtr> &pFields,
        const Array<OneD, Array<OneD, NekDouble>> &pTraceNormals,
        const Array<OneD, Array<OneD, NekDouble>> &pGridVelocity,
        const int pSpaceDim, const int bcRegion, const int cnt);
 
    ~PressureOutflowNonReflectiveBC(void) override{};
 
    // Field storage for PressureOutflow
    Array<OneD, NekDouble> m_pressureStorage;
};
 
} // namespace Nektar
 
#endif