Axial-flexural coupled vibration and buckling of composite beams using sinusoidal shear deformation theory

Thuc Vo, Huu-Tai Thai, Fawad Inam

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16 Citations (Scopus)
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Abstract

A finite element model based on sinusoidal shear deformation theory is developed to study vibration and buckling analysis of composite beams with arbitrary lay-ups. This theory satisfies the zero traction boundary conditions on the top and bottom surfaces of beam without using shear correction factors. Besides, it has strong similarity with Euler–Bernoulli beam theory in some aspects such as governing equations, boundary conditions, and stress resultant expressions. By using Hamilton’s principle, governing equations of motion are derived. A displacement-based one-dimensional finite element model is developed to solve the problem. Numerical results for cross-ply and angle-ply composite beams are obtained as special cases and are compared with other solutions available in the literature. A variety of parametric studies are conducted to demonstrate the effect of fiber orientation and modulus ratio on the natural frequencies, critical buckling loads, and load-frequency curves as well as corresponding mode shapes of composite beams.
Original languageEnglish
Pages (from-to)605-622
JournalArchive of Applied Mechanics
Volume83
Issue number4
DOIs
Publication statusPublished - Apr 2013

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