An Analytical Method for Jack-Up Riser’s Fatigue Life Estimation

Table 3

Natural frequencies of the riser’s lateral vibration.

		(rad/s)
1	0.0312	1.3043
2	0.0618	5.1004
3	0.0910	11.0718
4	0.1200	19.2676
5	0.1490	29.6696
6	0.1776	42.1613
7	0.2062	56.8705
8	0.2349	73.7973
9	0.2636	92.8715
10	0.2922	114.1480