Adjust the belt speed interactively. 
The belt speed changes from 3 m/s to 1 m/s and then to 4 m/s.
    
    
    
    A belt feeder example running in real-time.
    
    
    
    Change material properties interactively from very free-flowing to super difficult to handle.
    
    
    
    Rigid body dynamics simulation in real-time; various size and shapes of rocks on conveyor.
    
    
    
    Rigid body dynamics simulation in real-time; bananas, apples and pears on conveyor.
    
    
    
    Rigid body dynamics simulation in real-time; big rocks and small particles.