Porosities-dependent wave propagation in bi-directional functionally graded cantilever beam with higher-order shear model

Mechanics of Advanced Materials and Structures, Journal Year: 2023, Volume and Issue: 31(26), P. 8018 - 8028

Published: Sept. 7, 2023

The contribution provided in this paper is to investigate the dynamic response of bidirectional graded material beams with porosities. Higher order shear deformation beam theory for wave propagation porous functionally cantilevered are developed, taking into account distribution, which mainly represented density and Young's modulus. properties FG through thickness width using a power law distribution. governing equations derived by employing Hamilton's principle. analytic dispersion relation obtained solving an eigenvalue problem. Two porosities models approximating even uneven distributions porosity considered. results were compared those reported literature, very agreement. effects volume fraction distributions, number propagation, various parameters type on discussed details. numerical show that index, wave, velocity, distribution model affect behavior significantly. predicts higher natural frequencies than porosity.

Language: Английский

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Vibration characteristics of multilayer functionally graded microplates with variable thickness reinforced by graphene platelets resting on the viscoelastic medium under thermal effects

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 22, P. 100611 - 100611

Published: Feb. 16, 2024

Due to their improved mechanical properties and adaptability, microplates with tailored variable thickness profiles are becoming essential parts of advanced micro- nanoelectromechanical systems (MEMS NEMS). This study conducts a thorough analytical analysis the vibration thermally loaded, multilayer functionally graded graphene platelet-reinforced composite (FG-GPLRC) linearly or parabolically varying resting on viscoelastic medium under different boundary conditions. The Halpin-Tsai micromechanical model law mixtures employed calculate effective material characteristics for various reinforcement distributions in microplate. These encompass uniformly symmetric asymmetric arrangements. utilized first-order shear deformation theory (FSDT) conjunction modified strain gradient (MSGT) Hamilton's principle generate dynamic governing equations structure, accounting size-dependent effects. resulting afterwards solved using utilization Galerkin technique. enables evaluation proposed solution's correctness precision. impact factors behavior is investigated through numerical analysis. length scale parameters, temperature fluctuations, distribution profiles, conditions, pattern GPL, taper constants both unidirectional bidirectional scenarios, weight fraction GPL.

Language: Английский

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Thermal postbuckling and thermally induced postbuckled flutter of tri-directional functionally graded plates in yawed supersonic flow

Aerospace Science and Technology, Journal Year: 2024, Volume and Issue: 154, P. 109491 - 109491

Published: Aug. 17, 2024

Language: Английский

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Elasticity solution of functionally graded viscoelastic sandwich plates with piezoelectric layers under electrothermomechanical loading using DQM

Journal of Thermal Stresses, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 30

Published: Jan. 8, 2025

In this article the bending behavior of sandwich plates with a Functionally Graded (FG) core Boltzmann-type viscoelastic integrated piezoelectric layers at top and bottom surfaces, is reported under electrothermomechanical loading within framework three-dimensional elasticity theory. For various boundary conditions, differential quadrature method (DQM) used to obtain semi-analytical solution along in-plane coordinate axes. The present formulation validated by comparing numerical results on bending, stress those published in literature. A complete parametric study performed reveal effect different parameters such as length thickness ratio, temperature gradient, mechanical loading, piezo-to-core relaxation time constant, applied voltage rectangular plates. show that an increase leads decrease deflection plate; Also due voltage, curve along-the-thickness nonlinear for FG core; but it was linear both layers.

Language: Английский

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Energy harvesting performance of fluid-immersed bimorph FG-GPLRC sandwich microplates in thermal gradient and magnetic field environments: A modified strain gradient theory approach

European Journal of Mechanics - A/Solids, Journal Year: 2025, Volume and Issue: unknown, P. 105635 - 105635

Published: March 1, 2025

Language: Английский

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Hygrothermomechanical loading-induced vibration study of multilayer piezoelectric nanoplates with functionally graded porous cores resting on a variable viscoelastic substrate

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 23, P. 100715 - 100715

Published: May 28, 2024

Language: Английский

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3D dynamic analysis of elastically restrained multi-directional FGMs rectangular parallelepiped

International Journal of Mechanical Sciences, Journal Year: 2025, Volume and Issue: unknown, P. 109950 - 109950

Published: Jan. 1, 2025

Language: Английский

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Enhancing vibration problem of temperature-dependent functionally graded cylindrical microshells using magneto-electro-elastic micropatches

Engineered Science, Journal Year: 2023, Volume and Issue: unknown

Published: Jan. 1, 2023

This research offers a thorough theoretical investigation of the vibration behavior functionally graded (FG) cylindrical microshells augmented with magneto-electro-elastic (MEE) micropatches, considering temperature-dependent material properties.The structure is further surrounded by Pasternak elastic medium.Accurate modeling structural achieved employing first-order shear deformation theory (FSDT).To account for size effect, modified strain gradient (MSGT) employed.The analysis focuses on temperature dispersion over thickness microshell, examining three distinct profiles: uniform, harmonic non-uniform, and nonlinear.The FG core's characteristics are distributed according to power law.The associated equations motion generated application Hamilton's principle subsequently solved Galerkin technique in order determine natural frequencies.The impact various parameters, including index, length scale variation, MEE patch characteristics, magnetic potential, medium's electric voltage free thoroughly investigated.The findings this study contribute understanding potential patches enhancing dynamic response microshells, offering valuable insights practical applications micro-electro-mechanical systems (MEMS) smart structures.

Language: Английский

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A novel approach to the fabrication of photonic XOR and XNOR gates employing a 2:1 all-optical multiplexer made of nonlinear Kerr type materials

DELETED, Journal Year: 2024, Volume and Issue: 90(3), P. 722 - 737

Published: March 8, 2024

This paper presents the construction of 2:1 MUX-based XOR and XNOR logic gates where all-optical Multiplexer (MUX) is constructed using nonlinear ac Kerr-type material. To construct this scheme Shannon decomposition theorem employed here. The proposed photonic demonstrate rapid response times (terahertz speed), an design, reduced circuitry cost, independence from Karnaugh map complexities. A positive system utilized here, a light signal's predetermined intensity denotes binary 1, its absence represents 0. Validation through mathematical computations PYTHON simulations establishes efficacy approach. research holds promise for applications in industrial commercial contexts, offering enhanced performance versatility.

Language: Английский

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Nonlinear magnetic-induced vibration behavior of axially moving nanoplate

Multiscale and Multidisciplinary Modeling Experiments and Design, Journal Year: 2023, Volume and Issue: 7(3), P. 1915 - 1923

Published: Dec. 15, 2023

Language: Английский

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