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

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  ______     ___     ______      ___     _    _   
 /_   _//   / _ \\  |      \\   / _ \\  | \  / || 
   | ||    | / \ || |  --  //  | / \ || |  \/  || 
  _| ||    | \_/ || |  --  \\  | \_/ || | .  . || 
 /__//      \___//  |______//   \___//  |_|\/|_|| 
 `--`       `---`   `------`    `---`   `-`  `-`

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