Research Article

Numerical and Experimental Research on the Effect of Platform Heave Motion on Vortex-Induced Vibration of Deep Sea Top-Tensioned Riser

Table 1

Base set of system parameters.

No.PropertySymbolValueUnit

1Riser length1500m
2Outer diameter0.3048m
3Wall thickness0.0136m
4Young’s modulus2.1E11Pa
5Density of steel7850kg/m3
6Density of seawater1025kg/m3
7Density of internal fluid800kg/m3
8Added mass coefficient1.0
9Drag coefficient1.0