Nonlinear resonant dynamics of geometrically imperfect higher-order shear deformable functionally graded carbon-nanotube reinforced composite beams

2017 ◽  
Vol 174 ◽  
pp. 45-58 ◽  
Author(s):  
Raheb Gholami ◽  
Reza Ansari ◽  
Yousef Gholami
Keyword(s):  
Carbon Nanotube ◽  
Composite Beams ◽  
Higher Order ◽  
Functionally Graded ◽  
Reinforced Composite ◽  
Resonant Dynamics ◽  
Shear Deformable

Thermoelastic flexural analysis of FG-CNT doubly curved shell panel

2018 ◽  
Vol 90 (1) ◽  
pp. 11-23 ◽  
Author(s):  
Kulmani Mehar ◽  
Subrata Kumar Panda
Keyword(s):  
Carbon Nanotube ◽  
Deformation Theory ◽  
Shear Deformation Theory ◽  
Higher Order ◽  
Functionally Graded ◽  
Order Model ◽  
Content Type ◽  
Reinforced Composite ◽  
Shell Panel ◽  
Doubly Curved

Purpose The purpose of this paper is to develop a general mathematical model for the evaluation of the theoretical flexural responses of the functionally graded carbon nanotube-reinforced composite doubly curved shell panel using higher-order shear deformation theory with thermal load. It is well-known that functionally graded materials are a multidimensional problem, and the present numerical model is also capable of solving the flexural behaviour of different shell panel made up of carbon nanotube-reinforced composite with adequate accuracy in the absence of experimentation. Design/methodology/approach In this current paper, the responses of the single-walled carbon nanotube-reinforced composite panel is computed numerically using the proposed generalised higher-order mathematical model through a homemade computer code developed in MATLAB. The desired flexural responses are computed numerically using the variational method. Findings The validity and the convergence behaviour of the present higher-order model indicate the necessity for the analysis of multidimensional structure under the combined loading condition. The effect of various design parameters on the flexural behaviour of functionally graded carbon nanotube doubly curved shell panel are examined to highlight the applicability of the presently proposed higher-order model under thermal environment. Originality/value In this paper, for the first time, the static behaviour of functionally graded carbon nanotube-reinforced composite doubly curved shell panel is analysed using higher-order shear deformation theory. The properties of carbon nanotube and the matrix material are considered to be temperature dependent. The present model is so general that it is capable of solving various geometries from single curve to doubly curved panel, including the flat panel.

On bending, buckling and vibration responses of functionally graded carbon nanotube-reinforced composite beams

2015 ◽  
Vol 19 (5) ◽  
pp. 1259-1277 ◽  
Author(s):  
S.H. Tagrara ◽  
Abdelkader Benachour ◽  
Mohamed Bachir Bouiadjra ◽  
Abdelouahed Tounsi
Keyword(s):  
Carbon Nanotube ◽  
Composite Beams ◽  
Functionally Graded ◽  
Reinforced Composite ◽  
Vibration Responses
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