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

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Text this: Post-buckling loads of a horizontal pipe string with variable length