Describir: Stresses in framed structures /

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