Text this: Buckling failure of rectangular oil tank with corrugated wall

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