Sfx_StVenant1DTerms.h

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#pragma once
 
// SfxBase19 include
#include "include/Sfx_UniversalConstants.h"
 
namespace Sfx 
{
    //  Design Note
 //    Also use of the inline keyword, strictly speaking means can be defined
 //    in multiple translation unit (before adding this keyword had some errors
 //    about multiple definition).

    class StVenant1DTerms
    {
    public: 
        inline static constexpr float64 CalculTermePressionHydrostatique1D(float64 A, float64 B = 1.)
        {
            return ((A * A) / (2. * B));
        }

        inline static constexpr float64 EvaluationFlux_C_1D(float64 U1, float64 U2, float64 B = 1.)
        {
            //return ((U2 * U2) / U1 + Sfx::cGravity<float64>*CalculTermePressionHydrostatique1D(U1, B));
            return EvaluationFlux_I_1D(U1,U2) + Sfx::cGravity<float64>*CalculTermePressionHydrostatique1D(U1, B);
        }

        inline static constexpr float64 EvaluationFlux_I_1D(float64 U1, float64 U2, float64 B = 1.)
        {
            return((U2 * U2) / U1);
        }
    };
} // End of namespace