Effect of porosity distribution on flexural and free vibrational behaviors of laminated composite shell using a novel sinusoidal HSDT

Archives of Civil and Mechanical Engineering, Journal Year: 2024, Volume and Issue: 24(2)

Published: April 7, 2024

Language: Английский

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Nonlinear asymmetric thermomechanical buckling of shallow nanoscale arches having dissimilar end conditions embracing nonlocality and strain gradient size dependencies

Defence Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Language: Английский

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Study on nonlinear asymmetric thermomechanical stability of microsize FGM curved beams based on nonlocal couple stress curvature sensitive model

Results in Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 104493 - 104493

Published: Feb. 1, 2025

Language: Английский

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Applying Levy and DQ Methods to Hygrothermal Deformation of Piezoelectric/GPLs Plates with Porosities Lying on Elastic Foundations Using a Quasi-3D Plate Theory

Mathematics, Journal Year: 2025, Volume and Issue: 13(5), P. 764 - 764

Published: Feb. 26, 2025

The hygrothermal deformation of nanocomposite piezoelectric plates containing internal pores lying on elastic foundations is illustrated in this paper by utilizing a novel quasi-3D plate theory (Q3DT). This has been strengthened functionally graded graphene platelets (FG GPLs). For the purpose identifying FG porous materials, four alternative patterns porosity distribution are employed, with first pattern having uniform and others an uneven one. material properties reinforced estimated based Halpin–Tsai model. From proposed virtual work principle, basic differential equations derived. Levy method used to convert deduced partial ordinary ones. quadrature (DQM) as fast-converging utilized solve these for various boundary conditions. minimal number grid points needed obtain converging solution found introducing convergence study. After validating obtained results studies other researchers, study’s findings provided tabularly graphically numerous comprehensive discussions examine impact factors responding system.

Language: Английский

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Nonlinear bending of FG metal/graphene sandwich microplates with metal foam core resting on nonlinear elastic foundations via a new plate theory

Mechanics Based Design of Structures and Machines, Journal Year: 2023, Volume and Issue: 52(7), P. 3842 - 3869

Published: May 11, 2023

Nonlinear bending of functionally graded metal/graphene (FGMG) sandwich rectangular plate with metal foam core resting on nonlinear elastic foundations is elucidated in this article. A new shear deformation theory presented to formulate the displacement field. The partial differential equations considering small size effect are established via principle virtual work. nonlinearity considered by using Von Karman's strain-displacement relations. While, captured employing modified couple stress theory. upper and lower layers made aluminum as a matrix that reinforced graphene platelets (GPLs). GPLs through thickness face according cosine rule. Moreover, also containing porosities uniformly distributed or thickness. governing solved based Galerkin Newton's methods. obtained results examined introducing some comparison examples. In addition, several parametric examples discussed including effects porosity type, distribution core-to-face thickness, foundation stiffness, side-to-thickness ratio, aspect ratio material length scale parameter deflection stresses FGMG core.

Language: Английский

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An Analytical Approach for Free Vibration of Hygrothermal-Electro-elastic Composite Cylindrical Shells

Journal of Vibration Engineering & Technologies, Journal Year: 2024, Volume and Issue: 12(4), P. 5893 - 5904

Published: Feb. 3, 2024

Language: Английский

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Nonlinear stability of ES-FG porous sandwich cylindrical shells subjected to axial compression in thermal environment

Structures, Journal Year: 2024, Volume and Issue: 63, P. 106280 - 106280

Published: April 5, 2024

Language: Английский

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Nonlinear free oscillation of tri-directional functionally graded porous skew-plates with variable thickness in high-thermal environment

Case Studies in Thermal Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 106101 - 106101

Published: April 1, 2025

Language: Английский

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Transient Post-Buckling of Microfluid-Conveying FG-CNTs Cylindrical Microshells Embedded in Kerr Foundation and Exposed to a 2D Magnetic Field

Mathematics, Journal Year: 2025, Volume and Issue: 13(9), P. 1518 - 1518

Published: May 5, 2025

Dynamic post-buckling behavior of microscale cylindrical shells reinforced with functionally graded carbon nanotubes (FG-CNTs) and conveying microfluid is discussed for the first time. The microshell embedded in a Kerr foundation subjected to an axial compressive load two-dimensional magnetic field effect. CNTs dispersion across shell thickness follows power law, five distribution types developed. modified couple stress theory applied incorporate small-size effect using single material parameter. Furthermore, Knudsen number used address on microfluid. external force between fluid modeled by applying Navier–Stokes equation depending velocity. Nonlinear motion equations present model are derived Hamilton’s principle, containing Lorentz force. According Galerkin method, transformed into algebraic system be solved, determining paths. Numerical results indicate that presence field, CNT reinforcement, flow improves load-bearing performance microshells. Also, many new parametric effects curves FG-CNT microshells have been discovered, including geometry, direction, length scale parameter, number, types.

Language: Английский

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Nonlinear bending and vibration of FGCNTs cylindrical microshells conveying microfluid under a 2D magnetic field

Archives of Civil and Mechanical Engineering, Journal Year: 2025, Volume and Issue: 25(4)

Published: May 22, 2025

Language: Английский

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