2015
DOI: 10.1155/2015/146949
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Abstract: Composite materials are increasingly used in wind blade because of their superior mechanical properties such as high strength-to-weight and stiffness-to-weight ratio. This paper presents vibration and damping analysis of fiberreinforced composite wind turbine blade with viscoelastic damping treatment. The finite element method based on full layerwise displacement theory was employed to analyze the damping, natural frequency, and modal loss factor of composite shell structure. The lamination angle was considere… Show more

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Cited by 10 publications
(8 citation statements)
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“…The effect of fiber orientation studied by Bulut et al., 27 Srinivasa et al., 66 and Ben et al. 64 found that natural frequency of the composite laminates decreases as the fiber angle increases. Damping properties of kevlar/glass, carbon/glass composites show improvement because of hybridization of fiber compared to dedicated glass fiber composites.…”
Section: Theoretical Modelingmentioning
confidence: 99%
See 2 more Smart Citations
“…The effect of fiber orientation studied by Bulut et al., 27 Srinivasa et al., 66 and Ben et al. 64 found that natural frequency of the composite laminates decreases as the fiber angle increases. Damping properties of kevlar/glass, carbon/glass composites show improvement because of hybridization of fiber compared to dedicated glass fiber composites.…”
Section: Theoretical Modelingmentioning
confidence: 99%
“…Ben et al. 64 used FSDT to study free vibration of laminated composite beams with transverse crack. They found that crack depth ratio from 0.2 to 0.6 decreases in natural frequencies.…”
Section: Theoretical Modelingmentioning
confidence: 99%
See 1 more Smart Citation
“…As for H ∞ controller in present study, when solving Riccati equations and performing H-infinity existence tests, 11 is always not small enough, so matrix is singular to working precision during numerical simulation. It is difficult to find the optimal H ∞ controller in the simulation process if structural damping [14,15] is not estimated. This leads to the zero damping term in the original physical structure system (without action of the aerodynamic forces).…”
Section: Robust H 2 Optimal Controllermentioning
confidence: 99%
“…In the past few decades, the viscoelastic material with an inherent high loss factor is widely applied in automobiles, aircraft, and military equipment to suppress vibration and impact noises [1]. For example, soft viscoelastic layers in viscoelastic sandwich structures are provided as the damping component in order to improve dynamic response [2]. A new type of damping enhancement with piezoelectric and conductive materials as fillers has been developed by Hagood and von Flotow [3,4].…”
Section: Introductionmentioning
confidence: 99%