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Nonlinear free vibration analysis of functionally graded porous conical shells reinforced with graphene nanoplateletsHuang, Xiaolin ...The nonlinear vibration analysis of functionally graded reinforced with graphene platelet (FG-GRC) porous truncated conical shells surrounded by the Winkler-Pasternak elastic foundation is presented ... in this paper. An improved model for evaluating the material properties of porous composites is proposed. Three types of porous distribution and three patterns of graphene nanoplatelets (GPLs) dispersion are estimated. Coupled with the effect of the Winkler-Pasternak elastic foundation, the nonlinear governing equations are developed by using the Hamilton principle. The Galerkin integrated technique is employed to obtain the linear and nonlinear frequencies of the shells. After the present method is validated, the effects of the pores, GPLs, the Winkler-Pasternak foundation, and the semi-vertex are investigated in detail. The results show that the linear frequency can be raised by increasing the values of the mass volume of the GPL and foundation parameters. In contrast, the ratio of nonlinear to linear frequency declines as the mass volume of the GPLs and foundation parameters rises. Furthermore, it is found that the minimum ratio of nonlinear to linear frequency can be obtained as the semi-vertex angle is about 55º, and the effect of porosity distribution on the linear and linear frequencies might be neglected.Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 70, no. 3/4, Mar.-Apr. 2024, str. 181-193)Type of material - article, component part ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 192646403
Author
Huang, Xiaolin |
Wei, Nengguo |
Wang, Chengzhe |
Zhang, Xuejing, strojnik
Topics
nonlinear vibration |
truncated conical shells |
graphene nanoplatelets |
porous materials |
elastic foundation |
nelinearne vibracije |
prirezana konična lupina |
kompoziti |
grafenske nanoploščice |
pore |
elastične podlage
source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 70, no. 3/4, Mar.-Apr. 2024, str. 181-193)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Huang, Xiaolin | |
Wei, Nengguo | |
Wang, Chengzhe | |
Zhang, Xuejing, strojnik |
Source: Personal bibliographies
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