ForceMain.hpp

Go to the documentation of this file.

 
#ifndef OPENSWMM_FORCEMAIN_HPP
#define OPENSWMM_FORCEMAIN_HPP
 
namespace openswmm {
 
namespace forcemain {
 
constexpr double VISCOS = 1.1e-5;  
 
enum class FrictionModel : int {
    HAZEN_WILLIAMS = 0,
    DARCY_WEISBACH = 1
};
 
double getFricSlope_HW(double velocity, double hyd_rad, double c_hw);
 
double getFricSlope_DW(double velocity, double hyd_rad, double roughness);
 
double getEquivN(FrictionModel model, double r_bot, double y_full,
                 double slope, double n_raw);
 
double getRoughFactor(FrictionModel model, double r_bot, double length_factor);
 
double getFricFactor(double r_bot, double hrad, double re);
 
void batchFricSlope(const double* velocity, const double* hyd_rad,
                    const double* param, double* fric_slope,
                    FrictionModel model, int count);
 
} // namespace forcemain
} // namespace openswmm
 
#endif // OPENSWMM_FORCEMAIN_HPP