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

Figure 12

Space-time response of stress of the marine riser under different axial tension excitation amplitudes. (a) The in-line and (b) cross-flow with A/D = 1.2. (c) The in-line and (d) cross-flow with A/D = 3.0.

(a)

(b)

(c)

(d)