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

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journal contribution
posted on 02.12.2020, 05:57 by Trung-Kien Nguyen, Ba-Duy Nguyen, Thuc VoThuc Vo, Huu Tai Thai
© 2017 Elsevier Ltd

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 Lagrange's 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.

Funding

Vietnam National Foundation for Science and Technology Development | 107.02-2015.07

History

Publication Date

15/09/2017

Journal

Composite Structures

Volume

176

Pagination

11p. (p. 1050-1060)

Publisher

Elsevier

ISSN

0263-8223

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