settings.hpp

Go to the documentation of this file.

#pragma once
 
#include "common.hpp"
#include "domain.hpp"
 
#include <Eigen/Dense>
#include <filesystem>
 
struct Settings {
    // computational condition
    int dim{};                 
    double particleDistance{}; 
    double dt{};               
    double endTime{};          
    double outputPeriod{};     
    double cflCondition{};     
    int numPhysicalCores{};    
 
    Domain domain{}; 
 
    // physical properties
    double kinematicViscosity{}; 
    double defaultDensity{};     
 
    // gravity
    bool xyzInput;
    Eigen::Vector3d gravity; 
    double gNorm;              
    double gAngle;             
 
    // free surface detection
    // surface detection based on number density
    double surfaceDetection_numberDensity_threshold{}; 
    // surface detection based on particle distribution
    bool surfaceDetection_particleDistribution{}; 
    double surfaceDetection_particleDistribution_threshold{};
 
    // pressure calculation method
    std::string pressureCalculationMethod{}; 
    // for Implicit
    double compressibility{};                  
    double relaxationCoefficientForPressure{}; 
    // for Explicit
    double soundSpeed{}; 
 
    // collision
    double collisionDistance{};        
    double coefficientOfRestitution{}; 
 
    // effective radius
    double re_forNumberDensity{}; 
    double re_forGradient{};      
    double re_forLaplacian{};     
    double reMax{};               
 
    // i/o
    std::filesystem::path particlesPath; 
    bool outputVtkInBinary{};            
};