Efficient Fatigue Analysis of Helix Elements in Umbilicals and Flexible Risers: Theory and Applications

Table 3

Fatigue load case description.

Vessel heading (deg)	Direction	Probability of vessel heading per direction
0	Near	60%
15	Near	30%
30	Near	10%
0	Far	60%
15	Far	30%
30	Far	10%
0	Cross	60%
15	Cross	30%
30	Cross	10%