/************************************************************************ PURPOSE: (Simulate a hor-air balloon.) LIBRARY DEPENDENCIES: ((balloon/src/Balloon.o)) **************************************************************************/ #ifndef BALLOON_HH #define BALLOON_HH class Balloon { public: // State Variables (Uncalculated Variables) double pos[2]; double vel[2]; double envelope_mass; double basket_mass; double burner_system_mass; double payload_mass; double envelope_air_temperature; double envelope_radius; double envelope_theta; double Cd; // Calculated Variables double acc[2]; double envelope_volume; double fixed_mass; // Control Variable int temperature_change_command; // Methods int default_data(); int state_init(); int state_deriv(); int state_integ(); int check_ground_contact(); int control(); double calc_fixed_mass(); double calc_envelope_volume(); double calc_total_mass(); double calc_envelope_air_mass(); double calc_heated_air_density(); double calc_buoyancy_force(); double calc_displaced_air_mass(); double calc_drag_force(); double volume_of_a_spherical_dome( double r, double h); double volume_of_a_cone( double r, double h); }; #endif