EmpiricalPressureArea.h

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///////////////////////////////////////////////////////////////////////////////
//
// File EmpiricalPressureArea.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
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// Description: EmpiricalPressureArea header
//
///////////////////////////////////////////////////////////////////////////////
#ifndef NEKTAR_EMPIRICALPRESSUREAREA_H
#define NEKTAR_EMPIRICALPRESSUREAREA_H
 
#include <LibUtilities/Memory/NekMemoryManager.hpp>
#include <PulseWaveSolver/EquationSystems/PulseWavePressureArea.h>
#include <string>
 
namespace Nektar
{
 
// Forward declarations
class EmpiricalPressureArea;
 
// Pointer to a PulseWaveOutflow object.
typedef std::shared_ptr<EmpiricalPressureArea> EmpiricalPressureAreaSharedPtr;
 
// A global linear system.
class EmpiricalPressureArea : public PulseWavePressureArea
{
    public:
        // Creates an instance of this class
        static PulseWavePressureAreaSharedPtr
        create(Array<OneD, MultiRegions::ExpListSharedPtr> &pVessel,
               const LibUtilities::SessionReaderSharedPtr &pSession)
        {
            return MemoryManager<EmpiricalPressureArea>::AllocateSharedPtr(
                                                             pVessel, pSession);
        }
 
        // Name of class
        static std::string className;
 
        EmpiricalPressureArea(Array<OneD, MultiRegions::ExpListSharedPtr>
                  pVessel, const LibUtilities::SessionReaderSharedPtr pSession);
 
        virtual ~EmpiricalPressureArea();
 
    protected:
        virtual void v_GetPressure(NekDouble &P, const NekDouble &beta,
                const NekDouble &A, const NekDouble &A0, const NekDouble &dAUdx,
                      const NekDouble &gamma = 0, const NekDouble &alpha = 0.5);
 
        virtual void v_GetC(NekDouble &c, const NekDouble &beta,
         const NekDouble &A, const NekDouble &A0, const NekDouble &alpha = 0.5);
 
        virtual void v_GetW1(NekDouble &W1, const NekDouble &u,
                 const NekDouble &beta, const NekDouble &A, const NekDouble &A0,
                                                  const NekDouble &alpha = 0.5);
 
        virtual void v_GetW2(NekDouble &W2, const NekDouble &u,
                 const NekDouble &beta, const NekDouble &A, const NekDouble &A0,
                                                  const NekDouble &alpha = 0.5);
 
        virtual void v_GetAFromChars(NekDouble &A, const NekDouble &W1,
                const NekDouble &W2, const NekDouble &beta, const NekDouble &A0,
                                                  const NekDouble &alpha = 0.5);
 
        virtual void v_GetUFromChars(NekDouble &u, const NekDouble &W1,
                                                           const NekDouble &W2);
 
        virtual void v_GetCharIntegral(NekDouble &I, const NekDouble &beta,
         const NekDouble &A, const NekDouble &A0, const NekDouble &alpha = 0.5);
 
        virtual void v_GetJacobianInverse(NekMatrix<NekDouble> &invJ,
             const Array<OneD, NekDouble> &Au, const Array<OneD, NekDouble> &uu,
           const Array<OneD, NekDouble> &beta, const Array<OneD, NekDouble> &A0,
                  const Array<OneD, NekDouble> &alpha, const std::string &type);
 
        void GetKappa(NekDouble &kappa, const NekDouble &A, const NekDouble &A0,
                                                  const NekDouble &alpha = 0.5);
 
    private:
};
 
} // namespace Nektar
 
#endif