inflow.hpp

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#pragma once
 
#include <array>
#include <cstdint>
#include <vector>
 
namespace kynema::interfaces::components {
 
struct UniformFlowParameters {
    double time;                   
    double velocity_horizontal;    
    double height_reference;       
    double shear_vertical;         
    double flow_angle_horizontal;  
 
    [[nodiscard]] std::array<double, 3> Velocity(const std::array<double, 3>& position) const;
};
 
struct UniformFlow {
    std::vector<UniformFlowParameters> data;
 
    [[nodiscard]] std::array<double, 3> Velocity(double t, const std::array<double, 3>& position)
        const;
};
 
enum class InflowType : std::uint8_t {
    Uniform = 0,  
};
 
struct Inflow {
    InflowType type{InflowType::Uniform};  
    UniformFlow uniform_flow;              
 
    Inflow(InflowType type_, UniformFlow uniform_flow_)
        : type(type_), uniform_flow(std::move(uniform_flow_)) {}
 
    static Inflow SteadyWind(double vh, double z_ref, double alpha, double angle_h);
 
    static Inflow UniformWind(double vh, double z_ref, double alpha, double angle_h);
 
    [[nodiscard]] std::array<double, 3> Velocity(double t, const std::array<double, 3>& position)
        const;
};
 
}  // namespace kynema::interfaces::components