On the role of surface elasticity in nonlinear planar stability of FG porous reinforced nanosize curved beams having different degrees of curvature

European Journal of Mechanics - A/Solids, Journal Year: 2024, Volume and Issue: 107, P. 105384 - 105384

Published: July 21, 2024

The prime target of the present study is to inspect role surface elasticity at nanoscale in changing stability branches as well lower and upper limit loads uniformly thermomechanical loaded curved nanobeams having different degrees curvature. To this end, classical elastic-based multiple equilibria are predicted for nanosized third-order shear flexible clamped beams consisted through-thickness functionally graded porosity with schemes besides reinforcing by graphene nanofillers. established nanoscale-dependent nonlinear formulations then solved numerically aid isogeometric collocation technique creating a distinct grid points allocated contemplated basis assortments individually via Greville abscissas. It deduced that taking temperature escalation into account, along applied sidewise uniform pressure, prominence stress effects on quantity load reduces, while them enhances. These anticipations become more prominent FGP reinforced nanobeam possessing less degree Accordingly, owning small-curved nanobeam, increasing amount from 150°C 300°C, turns down 16.90% 1.51% if h=15nm, 6.76% 0.38% h=30nm, 2.48% 0.07% h=60nm. While gets higher 48.69% 138.25% 22.70% 83.95% 8.89% 22.91% Owning medium-curved rise 14.98% 12.68% 7.09% 6.03% 2.84% 2.41% Alternatively, large-curved 22.30% 21.15% 10.38% 9.82% 4.11% 3.87%

Language: Английский

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Effect of the magnetic field on the thermomechanical flexural wave propagation of embedded sandwich nanobeams

Mechanics Based Design of Structures and Machines, Journal Year: 2024, Volume and Issue: 52(10), P. 7795 - 7827

Published: Feb. 1, 2024

This work examines thermo-mechanical bending wave propagation in a sandwich nanobeam using advanced and nanolocal strain gradient elasticity theories. The is unique structure with biocompatible ceramic ZrO2 metal Ti6Al4V on the top bottom sides. Sandwich cores have functionally graded materials. combination gives distinctive qualities opens up many uses diverse industries. equation computed by applying Navier method to medium's thermal, Lorentz, viscoelastic equations of motion. analyzed four distinct models, taking into account its composition various factors that affect been extensively studied. In scenario where magnetic field intensity Hm = 0, an increase temperature difference causes frequency all models (except Model 2) decrease zero, resulting buckling. 2, exhibits phase velocity 0.43 Km/s at ΔT which subsequently decreases ∼9% 0.39 km/s 500. These include strength field, impact thermal loads, nonlocal effect, dimensions nanobeam, foundation's influence. findings this research will help build nanosensor systems can aerospace applications under extreme temperatures. contribute optimization design process, ensuring reliability functionality nanosensors severe conditions.

Language: Английский

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The effect of the various porous layers on thermomechanical buckling of FGM sandwich plates

Mechanics of Advanced Materials and Structures, Journal Year: 2024, Volume and Issue: 31(28), P. 10935 - 10961

Published: Jan. 4, 2024

This study focuses on the thermal buckling behavior of sandwich porous plates made up metal-ceramic functionally graded material (FGM) components using a new sinusoidal high order shear theory. The plate consists core either pure metal or ceramic, with face layers composed functional gradient and ceramic constituents. examined porosity four distribution functions in FGM nonlinear temperature increase grading index loads plates.

Language: Английский

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Improved-FSDT-based solid-shell element for buckling analysis of plate, spherical cap, and cylindrical shell of FG porous materials

Computers & Mathematics with Applications, Journal Year: 2024, Volume and Issue: 157, P. 1 - 14

Published: Jan. 4, 2024

Language: Английский

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Vibration analysis of asymmetric sandwich rotating FG porous discs coated with agglomerated nanocomposite facesheets

Archives of Civil and Mechanical Engineering, Journal Year: 2024, Volume and Issue: 24(4)

Published: July 17, 2024

Language: Английский

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An improved high-order Kriging mesh-free approach for nonlinear thermal buckling of porous FG beams

Acta Mechanica, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 28, 2025

Language: Английский

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A novel strain-based approach with high-order shear deformation for enhanced static and buckling performance of functionally graded plates

Mechanics of Advanced Materials and Structures, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 20

Published: March 6, 2025

Language: Английский

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Nonlinear free vibration of bi-directional functionally graded porous plates

Thin-Walled Structures, Journal Year: 2023, Volume and Issue: 192, P. 111198 - 111198

Published: Sept. 21, 2023

Language: Английский

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Peridynamic differential operator for stress analysis of imperfect functionally graded porous sandwich beams based on refined zigzag theory

Applied Mathematical Modelling, Journal Year: 2024, Volume and Issue: 133, P. 414 - 435

Published: May 28, 2024

Language: Английский

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Radial point interpolation‐Chebychev method with asymptotic numerical method for nonlinear buckling analysis of graphene oxide powder‐reinforced composite beams

International Journal for Numerical Methods in Engineering, Journal Year: 2024, Volume and Issue: 125(12)

Published: March 6, 2024

Summary This study aims to analyze the buckling and post‐buckling behaviors of multilayer nanocomposite beams reinforced with graphene oxide powders (GOPs) at low concentrations. The GOPs are randomly oriented evenly distributed throughout composite layers, their weight fraction varying in thickness direction. Halpin‐Tsai model is employed estimate each layer's effective material properties. nonlinear governing equations for FG‐GOPRC beam derived based on first‐order shear deformation theory, a algebraic system formulated using principle potential energy. In this research, comprehensive parametric analysis conducted examine influence various factors beams. These include distribution pattern platelets (GPLs) nanofillers, as well geometry, size, slenderness ratio, boundary conditions Through analysis, highlights significant strengthening effect these performance findings from investigation contribute deeper understanding behavior GOPs. knowledge can be valuable designing optimizing structures enhanced resistance performance.

Language: Английский

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