Dynamic instability analysis of piezoelectric fluid-infiltrated porous metal foam nanosheet considering surface and flexoelectricity effects in hygro-thermal environment

International Journal of Mechanics and Materials in Design, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 26, 2025

Language: Английский

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An isogeometric analysis approach for dynamic response of doubly-curved magneto electro elastic composite shallow shell subjected to blast loading

Defence Technology, Journal Year: 2024, Volume and Issue: 41, P. 159 - 180

Published: June 13, 2024

For the first time, isogeometric analysis (IGA) approach is used to model and analyze free forced vibrations of doubly-curved magneto-electro-elastic (MEE) composite shallow shell resting on visco-Pasternak foundation in a hygro-temperature environment. The MEE types include spherical shell, cylindrical saddle elliptical subjected blast load are investigated. Maxwell equation electromagnetic boundary conditions determine vary electric magnetic potentials. shell's equations motion derived from Hamilton's principle refined higher-order shear theory. Then, IGA method derive laws natural frequencies dynamic responses under various conditions. accuracy verified through reliable numerical comparisons. Aside this, impact input parameters vibration examined detail. These results may be useful design manufacture military structures such as warships, fighter aircraft, drones missiles.

Language: Английский

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Nonlocal refined higher isogeometric analysis for vibration characteristics of porous metal foam magneto-electro-elastic curved nanobeam with elastic boundary conditions

Engineering Science and Technology an International Journal, Journal Year: 2024, Volume and Issue: 54, P. 101715 - 101715

Published: May 21, 2024

In this work, free vibration and transient response of porous metal foam magneto-electro-elastic (PMF-MEE) curved nanobeam with elastic boundary conditions (BCs) using an isogeometric analysis (IGA) based on nonlocal refined higher-order shear beam theories (HSDT) are investigated. The variation electric magnetic potentials through the thickness direction is determined by Maxwell equation magneto-electric condition. new point paper that it does not use traditional conditions, but instead, first last positions linked system consisting transrational springs rotational stiffness controlled to give arbitrary conditions. Besides, coefficients vary like other material properties. Hamilton's principle applied establish governing equations motion. Newmark direct integration method derive dynamic responses including deflection phase trajectory. A comprehensive parametric study carried out evaluate influence input factors natural forced oscillation capabilities PMF-MEE nanobeams. findings may benefit for design intelligent structures made materials.

Language: Английский

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Static and dynamic analysis of doubly-curved functionally graded porous nanoshells integrated with piezoelectric surface layers and flexoelectric effect

Computers & Structures, Journal Year: 2025, Volume and Issue: 312, P. 107737 - 107737

Published: March 18, 2025

Language: Английский

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Vibration response of nanobeams subjected to random reactions

European Journal of Mechanics - A/Solids, Journal Year: 2024, Volume and Issue: 109, P. 105489 - 105489

Published: Nov. 9, 2024

Language: Английский

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Transient Response of Auxetic Honeycomb Sandwich Shell Integrated with Laminated Three-Phase Polymer/GNP/Fiber Face Sheets Subjected to Low-Velocity Impact Load

Journal of Vibration Engineering & Technologies, Journal Year: 2025, Volume and Issue: 13(1)

Published: Jan. 1, 2025

Language: Английский

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Nonlinear Electromechanical Modeling of Size-Dependent, Nonuniform Flexoelectric Nanoscale Harvesters

Journal of Vibration Engineering & Technologies, Journal Year: 2025, Volume and Issue: 13(1)

Published: Jan. 1, 2025

Language: Английский

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Exact solution for free vibration analysis of non-uniform thickness functionally graded porous nanosheet with surface effect based on variable nonlocal and length-scale parameters

Mechanics Based Design of Structures and Machines, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 33

Published: Sept. 12, 2024

Language: Английский

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Size-Dependent Dynamic Response Analysis of Magneto-Electro-Elastic Nanobeams Based on Nonlocal Modified Couple Stress Theory

Journal of Vibration Engineering & Technologies, Journal Year: 2025, Volume and Issue: 13(4)

Published: March 18, 2025

Language: Английский

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Nonlocal strain gradient free vibration analysis of sandwich functionally graded porous nanoshell integrated with piezoelectric surface layers taking into account flexoelectric effect

Frontiers of Structural and Civil Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: April 26, 2025

Language: Английский

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