NASA NTRS · 19820015836
SWECS tower dynamics analysis methods and results
Abstract
Several different tower dynamics analysis methods and computer codes were used to determine the natural frequencies and mode shapes of both guyed and freestanding wind turbine towers. These analysis methods are described and the results for two types of towers, a guyed tower and a freestanding tower, are shown. The advantages and disadvantages in the use of and the accuracy of each method are also described.
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Wright, A. D., Sexton, J. H., Butterfield, C. P., Thresher, R. M.. 1981-05-01. SWECS tower dynamics analysis methods and results. https://ntrs.nasa.gov/citations/19820015836
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