u - NREL
u - NREL
u - NREL
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Background<br />
• Modal-based codes, such as FAST, need modes of main<br />
flexible components (towers and blades) to build wind<br />
turbine models.<br />
• BModes developed to provide such modes.<br />
BModes<br />
National Renewable Energy Laboratory<br />
Blade modes<br />
Tower modes<br />
FAST<br />
Post-process<br />
modal data<br />
2<br />
Innovation for Our Energy Future