Vol. 10, No. 1, 2015

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ISSN: 1559-3959
Flexural behavior of functionally graded slender beams with complex cross-section

Gholamali Sharifishourabi, Amran Ayob, Soheil Gohari, Mohd Yazid Bin Yahya, Shokrollah Sharifi and Zora Vrcelj

Vol. 10 (2015), No. 1, 1–16
DOI: 10.2140/jomms.2015.10.1
Abstract

Deflection and stress analyses of functionally graded beams with complex cross-section and general material variation, under transverse loading, were carried out. The elastic-fundamental solution is used to derive equations satisfied by the normal stresses in arbitrary cross-sections of the beam, assuming that the plane sections remain plane and normal to the beam axis. The technique was verified by existing analytical and finite element models. Numerical experiments were then performed where the material properties vary through thickness or width of the beams according to power-law and exponential gradations. It was found that the quality of material gradation affects the deflection, stresses and neutral axis position significantly. It is concluded that the technique is useful for the elastic behavior analysis of FGBs with complex cross-sections and various material gradations.

Keywords
static analysis, functionally graded beams, general material variation, bending
Milestones
Received: 22 January 2014
Revised: 5 July 2014
Accepted: 17 August 2014
Published: 12 February 2015
Authors
Gholamali Sharifishourabi
Centre for Composites
Universiti Teknologi Malaysia
Skudai
81310 Johor
Malaysia
Amran Ayob
Centre for Composites
Universiti Teknologi Malaysia
Skudai
81310 Johor
Malaysia
Soheil Gohari
College of Engineering and Science
Victoria University
Melbourne, VIC 8001
Australia
Mohd Yazid Bin Yahya
Centre for Composites
Universiti Teknologi Malaysia
Skudai
81310 Johor
Malaysia
Shokrollah Sharifi
Centre for Composites
Universiti Teknologi Malaysia
Skudai
81310 Johor Bahru
Malaysia
Zora Vrcelj
College of Engineering and Science
Victoria University
Melbourne, VIC 8001
Australia