Page 408 - Fluid-Structure Interactions Slender Structure and Axial Flow (Volume 1)
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                                                                              0        5         10       15
                                  (a)         Perturbation flow velocity,  E   (b)      Frequency (Hz)
                    Figure 5.51  Numerical  simulations for 3-D motions of  the  system of Figure 5.43(a): (a) the bifurcation  diagram for the system with  p = 3.55 in
                    terms of  E  = [up - (ug)~]/(ug)~; (b) the power spectrum for E  = 0.05, showing quasiperiodic motion with three fundamental frequencies (Copeland
                                                                     1992).
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