The effectiveness of alternative stiffening types of the cutout provided near the base of tubular steel wind turbine towers is assessed, taking into account the dynamic nature of wind loading. To that effect, artificial wind load time histories are first obtained using the public domain aero-elastic code FAST. Finite element models that have been previously validated by means of comparison with experimental results, are then used to carry out fully nonlinear dynamic analyses and compare strength and overall structural performance.
Assessment of Stiffening Type of the Cutout in Tubular Wind Turbine Towers Under Artificial Dynamic Wind Actions
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received November 14, 2013; final manuscript received July 18, 2014; published online April 2, 2015. Assoc. Editor: Carlo L. Bottasso.
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Dimopoulos, C. A., Koulatsou, K., Petrini, F., and Gantes, C. J. (July 1, 2015). "Assessment of Stiffening Type of the Cutout in Tubular Wind Turbine Towers Under Artificial Dynamic Wind Actions." ASME. J. Comput. Nonlinear Dynam. July 2015; 10(4): 041004. https://doi.org/10.1115/1.4028074
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