Patent ID: 11880636
Assignee: UNIVERSITA' DEGLI STUDI DI ROMA LA SAPIENZA
Field: Transport (Mechanical engineering)
Classification: CPC B  G  Y | IPC B  G

Claim 1:
2. A method according to claim 1, wherein, as regards step A), shells whose natural stress-free configuration has average surface given by the function:, w
   0
  
  =
  
   
    
     x
     2
     2
    
    2
   
   [
   
    
     h
     0
    
    +
    
     
      (
      
       
        h
        f
       
       -
       
        h
        0
       
      
      )
     
     ⁢
     
      
       x
       1
      
      
       L
       1
      
     
    
   
   ]
  
 

wherein the design parameters representative of the shape of the shell are in this case:
h0, which is the curvature of the edge x1=0 which will be clamped to induce the prestress;
hf, which is the curvature of the opposite edge, which remains free;
L2/L1, the planform aspect ratio.