u - NREL
u - NREL
u - NREL
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Tower section height / h<br />
Barge-Supported Turbine Modes<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
-0.1 -0.05 0 0.05 0.1 0.15<br />
Modal displacement<br />
National Renewable Energy Laboratory<br />
Sway<br />
Roll<br />
1st S-S<br />
1st S-S (twist)<br />
2nd S-S<br />
2nd S-S (twist)<br />
3rd S-S<br />
3rd S-S (twist)<br />
Tower section height / h<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
-0.05 0 0.05 0.1 0.15 0.2<br />
Modal displacement<br />
Yaw<br />
1st Twist<br />
2ndTwist<br />
23<br />
Innovation for Our Energy Future
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