Free vibration analysis of functionally graded cylindrical nanoshells resting on Pasternak foundation based on two-dimensional analysis

Krzysztof Kamil Żur , Mohammad Arefi

Abstract

In this paper, free vibration analysis of a functionally graded cylindrical nanoshell resting on Pasternak foundation is presented based on the nonlocal elasticity theory. A two-dimensional formulation along the axial and radial directions is presented based on the first-order shear deformation shell theory. Hamilton's principle is employed for derivation of the governing equations of motion. The solution to formulated boundary value problem is obtained based on a harmonic solution and trigonometric functions for various boundary conditions. The numerical results show influence of significant parameters such as small scale parameter, stiffness of Pasternak foundation, mode number, various boundary conditions, and selected dimensionless geometric parameters on natural frequencies of nanoshell.
Author Krzysztof Kamil Żur (FME / DMACS)
Krzysztof Kamil Żur,,
- Department of Mechanics and Applied Computer Science
, Mohammad Arefi
Mohammad Arefi,,
-
Journal seriesSteel and Composite Structures, ISSN 1229-9367, e-ISSN 1598-6233, (N/A 100 pkt)
Issue year2020
Vol34
No4
Pages615-623
Publication size in sheets0.5
Keywords in Englishsize-dependent natural vibration, functionally graded materials, cylindrical nanoshell, nonlocal parameters, various boundary conditions
ASJC Classification2205 Civil and Structural Engineering; 2215 Building and Construction; 2506 Metals and Alloys
DOIDOI:10.12989/scs.2020.34.4.615
URL ROC 19-20
Languageen angielski
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 29-02-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2017 = 0.987; WoS Impact Factor: 2018 = 3.899 (2) - 2018=3.882 (5)
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