particle.hpp

Go to the documentation of this file.

#pragma once
 
#include "Eigen/Dense"
#include "common.hpp"
 
#include <vector>
 
enum class ParticleType {
    Ghost,     
    Fluid,     
    Wall,      
    DummyWall, 
};
 
enum class FluidState {
    Ignored,        
    FreeSurface,    
    SubFreeSurface, 
    Inner,          
    Splash          
};
 
class Neighbor {
private:
public:
    int id;          
    double distance; 
 
    Neighbor(int id, double distance) {
        this->id       = id;
        this->distance = distance;
    }
};
 
class Particle {
private:
public:
    int id;            
    ParticleType type; 
    int fluidType = 0; 
 
    Eigen::Vector3d position;                               
    Eigen::Vector3d velocity;                               
    Eigen::Vector3d acceleration = Eigen::Vector3d::Zero(); 
    double pressure              = 0;                       
    double numberDensity         = 0;                       
    double density               = 0; 
 
    FluidState boundaryCondition = FluidState::Ignored; 
    double sourceTerm            = 0;                   
    double minimumPressure       = 0;                   
 
    std::vector<Neighbor> neighbors; 
 
    Particle(int id, ParticleType type, Eigen::Vector3d pos, Eigen::Vector3d vel, double density, int fluidType = 0);
 
    double inverseDensity() const;
};