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

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