THERMAL BUCKLING OF FUNCTIONALLY GRADED CARBON NANOTUBE-REINFORCED COMPOSITE CONICAL SHELLS

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TORABI JALAL; BAZDID VAHDATI MAJID; ANSARI KALKHALI REZA

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Journal: Modares Mechanical Engineering Year:2016 | Volume:15 | Issue:10 Page(s): 137-146

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Title

THERMAL BUCKLING OF FUNCTIONALLY GRADED CARBON NANOTUBE-REINFORCED COMPOSITE CONICAL SHELLS

Author(s)

TORABI JALAL | BAZDID VAHDATI MAJID | ANSARI KALKHALI REZA | Issue Writer Certificate

Keywords

THERMAL BUCKLING ANALYSISQ2

CONICAL SHELLQ2

FUNCTIONALLY GRADED CARBON NANOTUBEQ2

REINFORCED COMPOSITEQ2

GENERALIZED DIFFERENTIAL QUADRATUREQ2

PERIODIC DIFFERENTIAL OPERATORSQ2

Abstract

In the present study, THERMAL BUCKLING ANALYSIS of FUNCTIONALLY GRADED CARBON NANOTUBE REINFORCED COMPOSITE (FG-CNTRC) CONICAL SHELLs is presented. The effective material properties of FGCNTRCs are determined using the extended rule of mixture. By employing the Hamilton’s principle and based on first-order shear deformation theory and Donnell strain-displacement relations, the governing equations are obtained. The membrane solution of linear equilibrium equations is considered to obtain the pre-buckling force resultants. Using the GENERALIZED DIFFERENTIAL QUADRATURE method in axial direction and PERIODIC DIFFERENTIAL OPERATORS in circumferential direction, the stability equations are discretized and the critical buckling temperature difference of shell is obtained. The accuracy of the present work is first validated by the results given in the literature and then the impacts of involved parameters such as volume fractions and types of distributions of carbon nanotubes, boundary conditions and geometrical parameters on thermal buckling of functionally graded Nano composite CONICAL SHELL are investigated. The results indicate that the values of volume fractions and types of distributions of carbon nanotubes along the thickness direction play an important role on thermal instability of FG-CNTRC CONICAL SHELLs.

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APA: Copy

TORABI, JALAL, BAZDID VAHDATI, MAJID, & ANSARI KALKHALI, REZA. (2016). THERMAL BUCKLING OF FUNCTIONALLY GRADED CARBON NANOTUBE-REINFORCED COMPOSITE CONICAL SHELLS. MODARES MECHANICAL ENGINEERING, 15(10), 137-146. SID. https://sid.ir/paper/179630/en

Vancouver: Copy

TORABI JALAL, BAZDID VAHDATI MAJID, ANSARI KALKHALI REZA. THERMAL BUCKLING OF FUNCTIONALLY GRADED CARBON NANOTUBE-REINFORCED COMPOSITE CONICAL SHELLS. MODARES MECHANICAL ENGINEERING[Internet]. 2016;15(10):137-146. Available from: https://sid.ir/paper/179630/en

IEEE: Copy

JALAL TORABI, MAJID BAZDID VAHDATI, and REZA ANSARI KALKHALI, “THERMAL BUCKLING OF FUNCTIONALLY GRADED CARBON NANOTUBE-REINFORCED COMPOSITE CONICAL SHELLS,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 10, pp. 137–146, 2016, [Online]. Available: https://sid.ir/paper/179630/en

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