أرسل هذا في رسالة قصيرة: Axisymmetric Plastic Plates with Ring Supports at Optimum Locations

  _____      ___     __   _     _____    _    _   
 / ____||   / _ \\  | || | ||  |  ___|| | || | || 
/ //---`'  | / \ || | '--' ||  | ||__   | || | || 
\ \\___    | \_/ || | .--. ||  | ||__   | \\_/ || 
 \_____||   \___//  |_|| |_||  |_____||  \____//  
  `----`    `---`   `-`  `-`   `-----`    `---`