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http://dx.doi.org/10.12989/cac.2020.26.1.021

Post-buckling analysis of geometrically imperfect nanoparticle reinforced annular sector plates under radial compression  

Mirjavadi, Seyed Sajad (Department of Mechanical and Industrial Engineering, Qatar University)
Forsat, Masoud (Department of Mechanical and Industrial Engineering, Qatar University)
Mollaee, Saeed (Auckland Bioengineering Institute, the University of Auckland)
Barati, Mohammad Reza (Fidar Project Qaem Company)
Afshari, Behzad Mohasel (School of Mechanical Engineering, College of Engineering, Sharif University of Technology)
Hamouda, A.M.S. (Department of Mechanical and Industrial Engineering, Qatar University)
Publication Information
Computers and Concrete / v.26, no.1, 2020 , pp. 21-30 More about this Journal
Abstract
Buckling and post-buckling behaviors of geometrically imperfect annular sector plates made from nanoparticle reinforced composites have been investigated. Two types of nanoparticles are considered including graphene oxide powders (GOPs) and silicone oxide (SiO2). Nanoparticles are considered to have uniform and functionally graded distributions within the matrix and the material properties are derived using Halpin-Tsai procedure. Annular sector plate is formulated based upon thin shell theory considering geometric nonlinearity and imperfectness. After solving the governing equations via Galerkin's technique, it is showed that the post-buckling curves of annular sector plates rely on the geometric imperfection, nanoparticle type, amount of nanoparticles, sector inner/outer radius and sector open angle.
Keywords
post-buckling; thin shell theory; nanoparticles; graphene oxide powder; nonlinear stability;
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Times Cited By KSCI : 73  (Citation Analysis)
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