Text this: Optimal locations of internal line supports for rectangular plates against buckling

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