ScreenShots: Software Description: Ventsimâ„¢ is an underground mine ventilationsimulation software package designed to model and simulateventilation, airflows, pressures, heat, gases, financials, radon,fire, and many other types of ventilation data from a model oftunnels and shafts. Ventsim Premium Features:– Hardware Acceleration – fast, smooth 3D display of any complexityon most modern computers– Animated airflows and fans