Nonlinear vibration of full-filled fluid corrugated sandwich functionally graded cylindrical shells

Nguyen, Thi Phuong; Nguyen-Thoi, T.; Tran, Duy Kien; Ho, Duc Tuan; Nam, Vũ Hoài

doi:10.1177/1077546320936537

Cited by 17 publications

(6 citation statements)

References 32 publications

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“…Baghbadorani and Kiani [40] performed research on the behavior of a cylindrical shell made of a composite material reinforced with graphene platelets employing FSDT and Halpin-Tsai micro-mechanical. Nguyen et al [41] proposed a semi analytical method to study the nonlinear asymmetric vibration of corrugated sandwich FGM cylindrical shells containing fluid subjected to harmonic radial load. Ni et al [42] investigated the effects of magneto-electro-thermal loadings and material properties on the free vibration characteristics of FGM cylindrical shells.…”

Section: Introductionmentioning

confidence: 99%

Sound Transmission Loss of a Honeycomb Sandwich Cylindrical Shell with Functionally Graded Porous Layers

et al. 2022

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To examine the acousto-structural behavior of a sandwich cylindrical shell benefiting from hexagonal honeycomb structures in its core and functionally graded porous (FGP) layers on its outer and inner surfaces, a comprehensive study based on an analytical model which also considers the effect of an external flow is conducted. A homogenous orthotropic model is used for the honeycomb core while its corresponding material features are found from the modified Gibson’s equation. The distribution pattern of FGP parts is either even or logarithmic-uneven, and a special rule-of-mixture relation governs their properties. Based on the first-order shear deformation theory (FSDT), Hamilton’s principle is exploited to derive the final coupled vibro-acoustic equations, which are then solved analytically to allow us to calculate the amount of sound transmission loss (STL) through the whole structure. This acoustic property is further investigated in the frequency domain by changing a set of parameters, i.e., Mach number, wave approach angle, structure’s radius, volume fraction, index of functionally graded material (FGM), and different honeycomb properties. Overall, good agreement is observed between the result of the present study and previous findings.

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Section: Introductionmentioning

confidence: 99%

Sound Transmission Loss of a Honeycomb Sandwich Cylindrical Shell with Functionally Graded Porous Layers

et al. 2022

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“…The mixed boundary conditions and first-order shear deformation theory (FSDT) were considered in the vibrations and stability problems of FGM cylindrical shells under external pressure [4]. Torsional buckling and vibration of spirally stiffened and corrugated FGM cylindrical shells were mentioned using the thin shell theory [5,6].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear buckling and postbuckling behaviors of porous FG-GPLRC cylindrical shells with stiffeners subjected to external pressure

Luu Ngoc Quang,

Vu Minh Duc,

Tran Quang Minh

2024

JSTT

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Buckling and postbuckling behaviors of porous functionally graded graphene platelets-reinforced composite (porous FG-GPLRC) cylindrical shells with stiffeners subjected to external pressures are presented in this paper. Three distribution types of porosity in the shells are considered. The smeared technique for stiffeners is employed to model the mechanical behaviors of the stiffened shells. The mechanical formulations are established by the thin shell theory considering large deflection assumption, and the Ritz method is applied for three deflection amplitudes. The postbuckling formula of the pressure-deflection and the explicit critical buckling pressures can be achieved. The numerical investigations indicate the outstanding effects of stiffeners, porosity distribution, porosity coefficient, and graphene platelet (GPL) mass fraction on the nonlinear buckling responses of the stiffened shells.

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“…[53][54][55][56][57] The very strong anisotropy and complex behavior of these structures have been pointed out and investigated in detail. Work on the nonlinear vibration of full-filled fluid FGM corrugated cylindrical shells was performed 58 using the homogeneous technique for corrugated panels of Xia et al 53 As pointed out above, there is no research studying the nonlinear buckling of the sandwich CNT-reinforced toroidal shell segments with corrugated core subjected to radial pressure in the thermal environment. This paper proposes an analytical approach to the nonlinear radial buckling of the sandwich CNT-reinforced toroidal shell segments with corrugated core and uniformly distributed temperature changes.…”

Section: Introductionmentioning

confidence: 99%

“…53–57 The very strong anisotropy and complex behavior of these structures have been pointed out and investigated in detail. Work on the nonlinear vibration of full-filled fluid FGM corrugated cylindrical shells was performed 58 using the homogeneous technique for corrugated panels of Xia et al 53…”

Section: Introductionmentioning

confidence: 99%

Nonlinear thermo-elastic stability of corrugated-core toroidal shell segments with carbon nanotube-reinforced face sheets under radial pressure

Vu,

Do,

et al. 2023

Journal of Thermoplastic Composite Materials

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An analytical approach for nonlinear buckling and postbuckling responses of corrugated-core toroidal shell segments with carbon nanotube (CNT) reinforced face sheets in thermal environment subjected to radial pressure is reported in this work. Three distribution laws of functionally graded CNT-reinforced layers and the trapezoidal and round forms of the corrugated core are investigated. An equivalent technique for corrugated panels is improved by adding thermal forces to model the behavior of the corrugated core. The nonlinear equations are formulated by using the geometrically nonlinear Donnell shell theory considering Pasternak’s foundation. An algorithm to solve a system of nonlinear equations is established using the Ritz energy method with three shell deflection amplitudes. The postbuckling expressions between the compressive and tensile loads with maximal deflection and the critical compressive and tensile loads are determined. The numerically investigated examples present the significantly beneficial effects of corrugated core and functionally graded CNT-reinforced face sheets on nonlinear buckling responses of structures.

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Nonlinear vibration of full-filled fluid corrugated sandwich functionally graded cylindrical shells

Cited by 17 publications

References 32 publications

Sound Transmission Loss of a Honeycomb Sandwich Cylindrical Shell with Functionally Graded Porous Layers

Sound Transmission Loss of a Honeycomb Sandwich Cylindrical Shell with Functionally Graded Porous Layers

Nonlinear buckling and postbuckling behaviors of porous FG-GPLRC cylindrical shells with stiffeners subjected to external pressure

Nonlinear thermo-elastic stability of corrugated-core toroidal shell segments with carbon nanotube-reinforced face sheets under radial pressure

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