Aero-elastic design optimization of floating offshore wind turbine blades

2018 ◽  
Author(s):  
Evan M. Gaertner ◽  
Matthew A. Lackner
Keyword(s):  
Wind Turbine ◽  
Design Optimization ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades ◽  
Floating Offshore Wind Turbine ◽  
Elastic Design

scholarly journals An Analytical Model of Floating Offshore Wind Turbine Blades Considering Bending-Torsion Coupling Effect

2018 ◽  
Author(s):  
Xiaoqi Qu ◽  
Yougang Tang ◽  
Zhen Gao ◽  
Yan Li ◽  
Liqin Liu
Keyword(s):  
Wind Turbine ◽  
Nonlinear Vibration ◽  
Analytical Model ◽  
Structural Model ◽  
Coupling Effect ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades ◽  
Floating Offshore Wind Turbine

In this paper, an analytical model is proposed to describe the nonlinear vibration of blades on floating offshore wind turbine (FOWT). The bending-torsion coupling equations are derived based on Hamilton’s principle. Comparing with the classical Newtonian method, this approach is more mathematically rigorous and systematic. The flapwise and edgewise deformation, the torsion as well as axial extension of the blades are all included in the model. A set of partial differential equations governing the coupled nonlinear vibration is established, and the results are compared with the multi-body model. Some details about the solution of equations are discussed. The eigen values of a rotating blade is also calculated. The structural model proposed in this paper can be widely used in the future study. For example, it can be coupled with an aerodynamic model to study the aeroelastic properties of the wind turbine blades. The effect of platform motion on blade dynamic response can also be obtained based on this analytical model.

Flapwise Bending Vibration Analysis of Rotating Tapered Rayleigh Beams for the Application of Offshore Wind Turbine Blades

2021 ◽  
Vol 35 (4) ◽  
pp. 544-553
Author(s):  
Yan-fei Chen ◽  
Zhi-peng Zang ◽  
Shao-hua Dong ◽  
Chuan Ao ◽  
Hao Liu ◽  
...  
Keyword(s):  
Wind Turbine ◽  
Vibration Analysis ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades ◽  
Bending Vibration

Smart Loads Management for Damaged Offshore Wind Turbine Blades

2015 ◽  
Vol 39 (4) ◽  
pp. 419-436 ◽  
Author(s):  
Phillip W. Richards ◽  
D. Todd Griffth ◽  
Dewey H. Hodges
Keyword(s):  
Wind Turbine ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades
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