Page 470 - Fluid-Structure Interactions Slender Structure and Axial Flow (Volume 1)
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200
     160 \

     180
           d = 4 x  tos







     140



     I20



 .   d = 2.5  x  Io"   100



 IIIIIIIIIIIIIII   80   IIIIIIIIIIIIIII
        9       17       25       33        1
 Total number of  elements

 Figure 6.8  Convergence  of  the  in-plane  eigenfrequencies  of  a  clamped-clamped  semi-circular  pipe  for  different  values  of  sd  and  ii = I7 = 0 :
 (a) first (lowest) eigenfrequency; (b) second eigenfrequency (Misra et al.  1988b).
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