RELIABILITY ANALYSIS OF NANOCOMPOSITE BEAMS REINFORCEDWITH CNTS UNDER BUCKLING FORCES USING THE CONJUGATE HLRF

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KESHTEGAR BEHROOZ; GHADERI ABBASALI; EL SHAFIE AHMED

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Journal: JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS Year:2016 | Volume:2 | Issue:4 Page(s): 200-207

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Title

RELIABILITY ANALYSIS OF NANOCOMPOSITE BEAMS REINFORCEDWITH CNTS UNDER BUCKLING FORCES USING THE CONJUGATE HLRF

Author(s)

KESHTEGAR BEHROOZ | GHADERI ABBASALI | EL SHAFIE AHMED | Issue Writer Certificate

Keywords

NANOCOMPOSITE BEAM

CONJUGATE HL-RF

THE FIRST ORDER RELIABILITY METHOD

TIMOSHENKO BEAMMODEL

Abstract

In this paper, the nonlinear conjugate map is applied based on the conjugate Hasofer-Lind and Rackwitz-Fiessler (CHL-RF) method to evaluate the reliability index using THE FIRST ORDER RELIABILITY METHOD of theembedded NANOCOMPOSITE BEAM, which is made of a polymer reinforced with carbon nanotubes (CNTs). The structure is simulated with the Timoshenko beam model. The Mori-Tanaka model is applied forcalculating the effective material properties of the NANOCOMPOSITE BEAM and the surrounding elasticmedium is considered as spring and shear constants. The governing equations are derived based on theenergy method and the Hamilton's principle. Moreover, using an analytical method, the bucklingperformance function of the structure is obtained. The effects of the basic random variables including thelength-to-thickness ratio of the beam (L/h), the spring constant, and the shear constant of the foundationwith respect to the volume fraction of CNTs are investigated based on the reliability index of theNANOCOMPOSITE BEAM which is subjected to an axial force of 20 GPa. The results indicate that the failureprobabilities of the studied NANOCOMPOSITE BEAMs are sensitive to the length-to-thickness ratio of the beam(L/h) and the spring constant of the foundation variables.

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APA: Copy

KESHTEGAR, BEHROOZ, GHADERI, ABBASALI, & EL SHAFIE, AHMED. (2016). RELIABILITY ANALYSIS OF NANOCOMPOSITE BEAMS REINFORCEDWITH CNTS UNDER BUCKLING FORCES USING THE CONJUGATE HLRF. JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS, 2(4), 200-207. SID. https://sid.ir/paper/353193/en

Vancouver: Copy

KESHTEGAR BEHROOZ, GHADERI ABBASALI, EL SHAFIE AHMED. RELIABILITY ANALYSIS OF NANOCOMPOSITE BEAMS REINFORCEDWITH CNTS UNDER BUCKLING FORCES USING THE CONJUGATE HLRF. JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS[Internet]. 2016;2(4):200-207. Available from: https://sid.ir/paper/353193/en

IEEE: Copy

BEHROOZ KESHTEGAR, ABBASALI GHADERI, and AHMED EL SHAFIE, “RELIABILITY ANALYSIS OF NANOCOMPOSITE BEAMS REINFORCEDWITH CNTS UNDER BUCKLING FORCES USING THE CONJUGATE HLRF,” JOURNAL OF APPLIED AND COMPUTATIONAL MECHANICS, vol. 2, no. 4, pp. 200–207, 2016, [Online]. Available: https://sid.ir/paper/353193/en

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