Structural Modeling and Free Vibration Analysis of Rotating Composite Thin-Walled Beams

Song, Ohseop; Librescu, Liviu

doi:10.4050/jahs.42.358

Cited by 79 publications

(39 citation statements)

References 30 publications

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“…This model takes into account the shear flexibility due to bending displacements in addition to primary and secondary warping effects. These authors presented interesting applications and extensions of this last theory [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Vibration and Buckling of Composite Thin-Walled Beams With Shear Deformability

Cortínez¹,

Piován²

2002

Journal of Sound and Vibration

107

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Section: Introductionmentioning

confidence: 99%

Vibration and Buckling of Composite Thin-Walled Beams With Shear Deformability

Cortínez¹,

Piován²

2002

Journal of Sound and Vibration

107

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“…The flapwise bending-torsion or flapwise-chordwise bending vibrations coupling effects can be observed for the 1 thin-walled laminated beams. The theory of the thin-walled beams was developed in the papers by Librescu and Song [1][2][3][4]. There are presented many analytical solutions for the vibrations occurring in this type of structures.…”

Section: Introductionmentioning

confidence: 96%

Modal Analysis of Laminated “CAS” and “CUS” Box-Beams

Gawryluk¹,

Bocheński²,

Teter³

2017

Archive of Mechanical Engineering

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In the paper, the authors discuss the numerical and experimental modal analysis of the cantilever thin-walled beams made of a carbon-epoxy laminate. Two types of beams were considered: circumferentially asymmetric stiffness (i.e., CAS) and circumferentially uniform stiffness (i.e., CUS) beams. The layer-up configurations of the laminate were chosen to get a vibration mode coupling effect in both analysed cases. The aim of the paper was to perform the numerical and experimental modal analysis of the composite structures, when a flapwise bending with torsion coupling effect or flapwise-chordwise bending coupling effect took place. Firstly, numerical studies by the finite element method was performed. The numerical simulations were carried out by the Lanczos method in the Abaqus software package. The natural frequencies and the corresponding free vibration modes were determined. Next, the experimental modal analyses of the CAS and CUS beams were performed. The test stand was consisted of a special grip, two beams with an adhered holder, the LMS Scadas III system with a modal hammer and an acceleration sensor. Finally, the results of both methods were compared.

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“…Song and Librescu [11] developed a model based on the ÿrst-order shear deformation theory (FSDT), that does not satisfy the traction-free requirement, to study the transverse forced vibrations of a cantilevered, composite, closed-sectioned, thin-walled beam. This work was extended for performing eigenvibration analysis of rotating composite blades [12], and for eigenvibration and stability analyses of a composite cantilever carrying a tip rotor and longitudinal compression [13].…”

Section: Introductionmentioning

confidence: 99%