發送短信 : A numerical model based on orthogonal plate functions for vibration of ring supported elliptical plates

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