Thickness stretching and nonlinear hygro-thermo-mechanical loading effects on bending behavior of FG beams

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dc.contributor.authorBELGACEM MAMEN
dc.date.accessioned2024-03-19T21:05:03Z
dc.date.available2024-03-19T21:05:03Z
dc.date.issued2022-12-06
dc.description.abstractIn this paper, the nonlinear vibration behavior of the spiral stiffened multilayer functionally graded (SSMFG) cylindrical shells exposed to the thermal environment and a uniformly distributed harmonic loading using a semi-analytical method is investigated. The cylindrical shell is surrounded by a nonlinear viscoelastic foundation consisting of a two-parameter Winkler-Pasternak foundation augmented by a Kelvin-Voigt viscoelastic model with a nonlinear cubic stiffness. The distribution of temperature and material constitutive of the stiffeners are continuously changed through the thickness direction. The cylindrical shell has three layers consisting of metal, FGM, and ceramic. The interior layer of the cylindrical shell is rich in metal, while the exterior layer is rich in ceramic, and the FG material is located between two layers. The nonlinear vibration problem utilizing the smeared stiffeners technique, the von Kármán equations, and the Galerkin method has been solved. The multiple scales method is utilized to examine the nonlinear vibration behavior of SSMFG cylindrical shells. The considered resonant case is 1:3:9 internal resonance and subharmonic resonance of order 1/3. The influences of different material and geometrical parameters on the vibration behavior of SSMFG cylindrical shells are examined. The results show that the angles of stiffeners, temperature, and elastic foundation parameters have a strong effect on the vibration behaviors of the SSMFG cylindrical shells.
dc.identifier.urihttp://dspace.univ-khenchela.dz:4000/handle/123456789/4378
dc.language.isoen
dc.titleThickness stretching and nonlinear hygro-thermo-mechanical loading effects on bending behavior of FG beams
dc.typeArticle
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