HollenbachCurve.h

#ifndef _CHOLLENBACH_CURVE_H_
#define _CHOLLENBACH_CURVE_H_
 
#include <array>
#include "ResistanceCurve.h"
 
namespace Ship{
    class HollenbachCurve: public ResistanceCurve
    {
    public:
        enum PredictionType
        {
            PREDICITON_SINGLE_DESIGN=0,
            PREDICTION_SINGLE_BALLAST,
            PREDICTION_TWIN_DESIGN,
            PREDICTION_SINGLE_DESIGN_MIN,
            PREDICTIOON_TWIN_DESIGN_MINIMUM,
            NUM_PREDICTION
        };
    
        HollenbachCurve(double _Cb, double S,PredictionType _Pred);
        ~HollenbachCurve();
    
        void SetBredth( float _B );
        void SetDimPropeller( float _Dp );
        void SetLength(double _Lpp, float _Los, float _Lwl );
        void SetDraught( double _Tm, float _Ta, float _Tf);
    
    
        void SetNumAppendages( unsigned short _Nrud, unsigned short _Nbrac, unsigned short _Nboss, unsigned short _Nthr);
    
        bool Initialized();
    
        virtual double GetValue( double _xval );
        void SetWetSurface( float _S );
    private:
    
        float Factor;
    
        PredictionType m_Pred;
    
        // Hollenbachs coefficients
        std::array<float,10> a{};
        std::array<std::array<float,3>,3> b{};
        std::array<float,1> c{};
        std::array<float,3> d{};
        std::array<float,2> e{};
        std::array<float,3> f{};
        std::array<float,3> g{};
        std::array<float,1> h{};
    
        float m_Fnmin; // Minimum froude number
        float m_Fnmax; // Maximum froude number
        float m_kl;
        float m_Fnkrit;
    
        unsigned short m_Nrud;  // Number of rudders
        unsigned short m_Nbrac; // Number of brackets
        unsigned short m_Nboss; // Number of boss
        unsigned short m_Nthr;  // Number of thrusters
    
        float m_Cb;     // Block coefficient
    
        float m_Dp;     // Diameter propeller
    
        float m_Lpp;    // Length between parpendicular
        float m_Los;    // Overall length og ship
        float m_Lwl;    // Length of waterline
    
        float m_T;      // Draught midship
        float m_Ta;     // Draught aft perpendicular
        float m_Tf;     // Draught fore perpendicular
        float m_B;      // Bredth
        float m_S;
    
    };
}
 
#endif