Final report for WP4.3: Enhancement of design methods ... - Upwind
Final report for WP4.3: Enhancement of design methods ... - Upwind
Final report for WP4.3: Enhancement of design methods ... - Upwind
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Figure 5.11: Normalised DELs with variation in availability<br />
Wind class<br />
The baseline fatigue loads were calculated using site-specific data <strong>for</strong> the annual wind speed distribution,<br />
as presented in Figure 5.12 using the blue line. In order to test the influence <strong>of</strong> wind class on jacket structures,<br />
three additional cases were considered using the wind speed distributions from IEC wind classes I<br />
to III (shown in Figure 5.12).<br />
Hours per year [hr]<br />
2000<br />
1800<br />
1600<br />
1400<br />
1200<br />
1000<br />
800<br />
600<br />
400<br />
200<br />
Design Basis Class I Class II Class III<br />
0<br />
0 5 10 15 20 25 30 35<br />
64<br />
Mean wind speed [m/s]<br />
Figure 5.12: Wind speed distributions considered
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