Hygro-thermal effects on vibration and thermal buckling behaviours of functionally graded beams

Trung-Kien Nguyen, Ba-Duy Nguyen, Thuc Vo, Huu-Tai Thai

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24 Citations (Scopus)
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Abstract

The hygro-thermal effects on vibration and buckling analysis of functionally graded beams are presented in this paper. The present work is based on a higher-order shear deformation theory which accounts for a hyperbolic distribution of transverse shear stress and higher-order variation of in-plane and out-of-plane displacements. Equations of motion are obtained from Lagrangan equations. Ritz solution method is used to solve problems with different boundary conditions. Numerical results for natural frequencies and critical buckling temperatures of functionally graded beams are compared with those obtained from previous works. Effects of power-law index, span-to-depth ratio, transverse normal strain, temperature and moisture changes on the results are discussed.
Original languageEnglish
Pages (from-to)1050-1060
JournalComposite Structures
Volume176
Early online date15 Jun 2017
DOIs
Publication statusPublished - 15 Sep 2017

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