Text this: DEM study on the effect of particle-size distribution on jamming in a 3D conical hopper

           _    _     ______   __   __   __   __  
  ____    | || | ||  /_   _//  \ \\/ //  \ \\/ // 
 |    \\  | || | ||  `-| |,-    \ ` //    \   //  
 | [] ||  | \\_/ ||    | ||      | ||     / . \\  
 |  __//   \____//     |_||      |_||    /_//\_\\ 
 |_|`-`     `---`      `-`'      `-`'    `-`  --` 
 `-`