Nonlocal strain gradient effects on forced vibrations of porous FG cylindrical nanoshells
Author | Mirjavadi, Seyed Sajad |
Author | Forsat, Masoud |
Author | Nia, Alireza Farrokhi |
Author | Badnava, Salman |
Author | Hamouda, A.M.S. |
Available date | 2023-02-12T06:20:51Z |
Publication Date | 2020 |
Publication Name | Advances in Nano Research |
Resource | Scopus |
Abstract | The present paper explores forced vibrational properties of porosity-dependent functionally graded (FG) cylindrical nanoshells exposed to linear-type or triangular-type impulse load via classical shell theory (CST) and nonlocal strain gradient theory (NSGT). Employing such scale-dependent theory, two scale factors accounting for stiffness softening and hardening effects are incorporated in modeling of the nanoshell. Two sorts of porosity distributions called even and uneven have been taken into account. Governing equations obtained for porous nanoshell have been solved through inverse Laplace transforms technique to derive dynamical deflections. It is shown that transient responses of a nanoshell are affected by the form and position of impulse loading, amount of porosities, porosities dispensation, nonlocal and strain gradient factors . |
Language | en |
Publisher | Techno-Press |
Subject | Dynamic analysis Nanoshell Nonlocal strain gradient theory Porous fgms Transient vibrations |
Type | Article |
Pagination | 149-156 |
Issue Number | 2 |
Volume Number | 8 |
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Computer Science & Engineering [2288 items ]
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Mechanical & Industrial Engineering [1342 items ]