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Analytical determination of non-local parameter value to investigate the axial buckling of nanoshells affected by the passing nanofluids and their velocities considering various modified cylindrical shell theories |
| Soheil Oveissi1, Aazam Ghassemi1,†, Mehdi Salehi1, S. Ali Eftekhari2, and Saeed Ziaei-Rad3 |
1 Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;
2 Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran;
3 Department of Mechanical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran |
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Abstract We analytically determine the nonlocal parameter value to achieve a more accurate axial-buckling response of carbon nanoshells conveying nanofluids. To this end, the four plates/shells' classical theories of Love, Flügge, Donnell, and Sanders are generalized using Eringen's nonlocal elasticity theory. By combining these theories in cylindrical coordinates, a modified motion equation is presented to investigate the buckling behavior of the nanofluid-nanostructure-interaction problem. Herein, in addition to the small-scale effect of the structure and the passing fluid on the critical buckling strain, we discuss the effects of nanoflow velocity, fluid density (nano-liquid/nano-gas), half-wave numbers, aspect ratio, and nanoshell flexural rigidity. The analytical approach is used to discretize and solve the obtained relations to study the mentioned cases.
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Received: 23 June 2022
Revised: 28 September 2022
Accepted manuscript online: 21 October 2022
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PACS:
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62.20.mq
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(Buckling)
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21.60.Cs
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(Shell model)
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61.46.-w
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(Structure of nanoscale materials)
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47.60.-i
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(Flow phenomena in quasi-one-dimensional systems)
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Corresponding Authors:
Aazam Ghassemi
E-mail: aazam77@yahoo.com,a_ghassemi@pmc.iau.ac.ir
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Cite this article:
Soheil Oveissi, Aazam Ghassemi, Mehdi Salehi, S. Ali Eftekhari, and Saeed Ziaei-Rad Analytical determination of non-local parameter value to investigate the axial buckling of nanoshells affected by the passing nanofluids and their velocities considering various modified cylindrical shell theories 2023 Chin. Phys. B 32 046201
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