Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined Loading

The buckling behavior of functionally graded carbon nanotube reinforced composite conical shells (FG-CNTRC-CSs) is here investigated by means of the first order shear deformation theory (FSDT), under a combined axial/lateral or axial/hydrostatic loading condition. Two types of CNTRC-CSs are consider...

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Main Authors: Abdullah H. Sofiyev, Francesco Tornabene, Rossana Dimitri, Nuri Kuruoglu
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/10/3/419
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author Abdullah H. Sofiyev
Francesco Tornabene
Rossana Dimitri
Nuri Kuruoglu
author_facet Abdullah H. Sofiyev
Francesco Tornabene
Rossana Dimitri
Nuri Kuruoglu
author_sort Abdullah H. Sofiyev
collection DOAJ
description The buckling behavior of functionally graded carbon nanotube reinforced composite conical shells (FG-CNTRC-CSs) is here investigated by means of the first order shear deformation theory (FSDT), under a combined axial/lateral or axial/hydrostatic loading condition. Two types of CNTRC-CSs are considered herein, namely, a uniform distribution or a functionally graded (FG) distribution of reinforcement, with a linear variation of the mechanical properties throughout the thickness. The basic equations of the problem are here derived and solved in a closed form, using the Galerkin procedure, to determine the critical combined loading for the selected structure. First, we check for the reliability of the proposed formulation and the accuracy of results with respect to the available literature. It follows a systematic investigation aimed at checking the sensitivity of the structural response to the geometry, the proportional loading parameter, the type of distribution, and volume fraction of CNTs. 
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spelling doaj.art-15404840fbd54defbb3f8c37e4efd8ae2022-12-21T23:56:38ZengMDPI AGNanomaterials2079-49912020-02-0110341910.3390/nano10030419nano10030419Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined LoadingAbdullah H. Sofiyev0Francesco Tornabene1Rossana Dimitri2Nuri Kuruoglu3Department of Civil Engineering of Engineering Faculty, Suleyman Demirel University, 32260 Isparta, TurkeyDepartment of Innovation Engineering, University of Salento, 73100 Lecce, ItalyDepartment of Innovation Engineering, University of Salento, 73100 Lecce, ItalyDepartment of Civil Engineering of Faculty of Engineering and Architecture, Istanbul Gelisim University, 34310 Istanbul, TurkeyThe buckling behavior of functionally graded carbon nanotube reinforced composite conical shells (FG-CNTRC-CSs) is here investigated by means of the first order shear deformation theory (FSDT), under a combined axial/lateral or axial/hydrostatic loading condition. Two types of CNTRC-CSs are considered herein, namely, a uniform distribution or a functionally graded (FG) distribution of reinforcement, with a linear variation of the mechanical properties throughout the thickness. The basic equations of the problem are here derived and solved in a closed form, using the Galerkin procedure, to determine the critical combined loading for the selected structure. First, we check for the reliability of the proposed formulation and the accuracy of results with respect to the available literature. It follows a systematic investigation aimed at checking the sensitivity of the structural response to the geometry, the proportional loading parameter, the type of distribution, and volume fraction of CNTs. https://www.mdpi.com/2079-4991/10/3/419nanocompositesbucklingfg-cntrctruncated conecritical combined loads
spellingShingle Abdullah H. Sofiyev
Francesco Tornabene
Rossana Dimitri
Nuri Kuruoglu
Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined Loading
Nanomaterials
nanocomposites
buckling
fg-cntrc
truncated cone
critical combined loads
title Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined Loading
title_full Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined Loading
title_fullStr Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined Loading
title_full_unstemmed Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined Loading
title_short Buckling Behavior of FG-CNT Reinforced Composite Conical Shells Subjected to a Combined Loading
title_sort buckling behavior of fg cnt reinforced composite conical shells subjected to a combined loading
topic nanocomposites
buckling
fg-cntrc
truncated cone
critical combined loads
url https://www.mdpi.com/2079-4991/10/3/419
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