In-Line and Cross-Flow Coupling Vibration Response Characteristics of a Marine Viscoelastic Riser Subjected to Two-Phase Internal Flow

Figure 6

The influences of the viscoelastic coefficient on average displacement at different sea water velocities. (a) and (b) With U = 0.3 m/s; (c) and (d) with U = 0.8 m/s.

(a)

(b)

(c)

(d)