FEConductivityRealVapor.h

/*This file is part of the FEBio source code and is licensed under the MIT license
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 See Copyright-FEBio.txt for details.
 
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#pragma once
#include "FEFluidThermalConductivity.h"
#include <FECore/FEFunction1D.h>

//-----------------------------------------------------------------------------
//! Base class for fluid thermal conductivity materials.

class FEBIOFLUID_API FEConductivityRealVapor : public FEFluidThermalConductivity
{
public:
    enum { MAX_NVC = 4 };
    
public:
    FEConductivityRealVapor(FEModel* pfem);
    virtual ~FEConductivityRealVapor() {}
    
public:
    //! initialization
    bool Init() override;
    
    //! serialization
    void Serialize(DumpStream& ar) override;
    
    //! calculate thermal conductivity at material point
    double ThermalConductivity(FEMaterialPoint& pt) override;
    
    //! tangent of thermal conductivity with respect to strain J
    double Tangent_Strain(FEMaterialPoint& mp) override;
    
    //! tangent of thermal conductivity with respect to temperature T
    double Tangent_Temperature(FEMaterialPoint& mp) override;
    
public:
    double          m_Kr;   //!< thermal conductivity at reference temperature
    double          m_Tr;   //!< reference temperature
    double          m_Tc;           //!< normalized critical temperature (Tc/Tr)
    double          m_alpha;        //!< exponent alpha used for calculating temperature map
    int             m_nvc;          //!< number of virial coefficients for isochoric specific heat capacity
    FEFunction1D*   m_esat;         //!< dilatation on saturation curve
    FEFunction1D*   m_Ksat;        //!< normalized thermal conductivity vs normalized temperature on saturation curve
    FEFunction1D*   m_C[MAX_NVC];   //!< non-dimensional conductivity virial coefficient
    
    // declare parameter list
    DECLARE_FECORE_CLASS();
    
};