أرسل هذا في رسالة قصيرة: Dynamics and power limit analysis of a galloping piezoelectric energy harvester under forced excitation

__    __    _____     ______   _    _     _____   
\ \\ / //  |  ___||  /_   _// | || | ||  /  ___|| 
 \ \/ //   | ||__    `-| |,-  | || | || | // __   
  \  //    | ||__      | ||   | \\_/ || | \\_\ || 
   \//     |_____||    |_||    \____//   \____//  
    `      `-----`     `-`'     `---`     `---`