i 



i 



,Undeformed 

 Shell 



D« formed 

 Shell 



-Frame 



-P 



UHIU 



yy^^^/ ' 



r 



eg 



^i 



W7^?^V77?i 



YZA 



IT 



e.g. 



Figure 11 - Symmetrically Loaded Cylindrical Shell with Equally Spaced 



Reinforcing Ring Frames 



29 



