Flexural-torsional coupled vibration of anisotropic thin-walled beams with biconvex cross-section

Eken, Seher; Kaya, Metin O.

doi:10.1016/j.tws.2015.03.026

Cited by 16 publications

(1 citation statement)

References 22 publications

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“…More recently, Librescu and Song [3] have published one of the most comprehensive studies on the theory of thin-walled composite beams extended with linear and nonlinear treatments. Together with these well-established theories, various other studies addressing the effect of transverse shear deformation on the free vibration of thin-walled composite beams have also been reported [3][4][5][6][7][8] and showed that transverse shear effect plays a crucial role in the accurate prediction of dynamic behavior, especially for rotating beams [9]. Within this respect, we investigated the effect of transverse shear deformation on the free vibration of rotating blades modeled as thin-walled composite beams.…”

Section: Introductionmentioning

confidence: 81%

Effect of the Transverse Shear Deformation on the Free Vibration of Rotating Blades Modeled as Thin-Walled Composite Beams

Yılmaz

Eken

Kaya

2015

AMM

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In this paper, vibration analysis of a blade modeled as an anisotropic composite thin-walled beam is carried out. The analytical formulation of the beam is derived for the flapwise bending, chordwise bending and transverse shear deformations. The equations of motion are solved by applying the extended Galerkin method (EGM) for anti-symmetric lay-up configuration that is also referred as Circumferentially Uniform Stiffness (CUS). Consequently, the natural frequencies are validated by making comparisons with the results in literature and it is observed that there is a good agreement between the results. Combined effects of transverse shear, fiber orientation, and rotational speed on the natural frequencies are further investigated.

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