Free Vibrations of Heterogeneous Orthotropic Cylindrical Shells Reinforced by Annular Ribs and Filled by Fluid

Latifov, F. S.; Yusifov, M.Z.; Alizade, N. I.

doi:10.15372/pmtf20200321

Cited by 2 publications

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“…Using stiffener plates substantially increases the performance characteristics of shells. Such structures were studied, for example, in papers [20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Buckling of Steel Conical Panels Reinforced with Stiffeners

Semenov,

Kondratieva,

Glukhikh

2023

Struct. Mech. of Eng. Const. and Build

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Conical shells and their panels are important elements of building structures, but have not been studied sufficiently. This paper explores buckling of truncated steel conical panels reinforced with an orthogonal grid of stiffener plates. The panels are simply supported and are subjected to external uniformly distributed transverse load acting normal to the surface. A geometrically nonlinear mathematical model that takes into account lateral shearing is used. Two options of describing the effect of stiffener plates are considered: the refined discrete method and the method of structural anisotropy (the stiffness of the plates is “smeared”). The computational algorithm is based on the Ritz method and the method of continuing the solution using the best parameter. The algorithm is implemented using Maple analytical computing software. The values of critical buckling loads were obtained for two cases of conical panels with different stiffener options. The load-deflection curves are presented. The convergence of the methods for describing the effect of stiffeners with the increase in their number is discussed. It was found that for conical panels, when choosing a small number of unknown coefficients in the approximation, the value of the critical load may be “overshot”, and it is necessary to select a larger number of unknowns compared to cylindrical panels or flat shells of double curvature.

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“…Using stiffener plates substantially increases the performance characteristics of shells. Such structures were studied, for example, in papers [20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Buckling of Steel Conical Panels Reinforced with Stiffeners

Semenov,

Kondratieva,

Glukhikh

2023

Struct. Mech. of Eng. Const. and Build

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“…Rogério 6 combined the active face with a honeycomb to analyse the vibration of orthotropic laminated panels. Latifov 7 investigated the vibration of heterogeneous orthotropic cylindrical shells and obtained the effect of physical parameters and various geometries on the frequency response. Civalek 8 studied the nonlinear vibration of shallow spherical shells and analysed the damping effect on vibration characteristics.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear vibration of an orthotropic moving membrane

Shao

Qing

Wang

et al. 2022

Journal of Low Frequency Noise, Vibration and Active Control

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This paper addresses the dynamic behaviours of an orthotropic moving membrane. Considering the material properties of the membrane, a mathematical model is developed via the von Karman’s large deflection theory. The dynamic behaviours are demonstrated by numerical analysis based on the Runge–Kutta fourth-order method. These numerical examples provide important insights into the impacts of the velocity, aspect ratio and orthotropic coefficient on the nonlinear dynamics of the orthotropic membrane.

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Free Vibrations of Heterogeneous Orthotropic Cylindrical Shells Reinforced by Annular Ribs and Filled by Fluid

Cited by 2 publications

References 0 publications

Buckling of Steel Conical Panels Reinforced with Stiffeners

Buckling of Steel Conical Panels Reinforced with Stiffeners

Nonlinear vibration of an orthotropic moving membrane

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