Temperature-dependent thermal buckling and free vibration behavior of smart sandwich nanoplates with auxetic core and magneto-electro-elastic face layers

Mechanics of Time-Dependent Materials, Journal Year: 2024, Volume and Issue: 28(3), P. 1999 - 2039

Published: May 9, 2024

Abstract This article addresses the thermomechanical thermal buckling and free vibration response of a novel smart sandwich nanoplate based on sinusoidal higher-order shear deformation theory (SHSDT) with stretching effect. In proposed nanoplate, an auxetic core layer negative Poisson’s ratio made Ti-6Al-4V is sandwiched between rim layers magneto-electro-elastic (MEE) face layers. The MEE are homogenous volumetric mixtures cobalt ferrite (CoFe 2 O 4 ) barium titanate (BaTiO 3 ). mechanical material properties temperature-dependent. Using Hamilton’s principle, governing equations constructed. To characterize size-dependent behavior adapted nonlocal strain gradient (NSGT). By applying principles Navier’s technique, closed-form solutions obtained. Parametric simulations carried out to examine effects parameters, temperature-dependent properties, electric, magnetic, loads nanoplate. According simulation results, it determined that factors significantly affect outcomes this investigation expected contribute advancement nano-electromechanical systems, transducers, nanosensors characterized by lightweight, exceptional structural integrity temperature sensitivity. Also, provides metamaterial feature, thanks model has potential be used as invisibility technology in sonar radar-hiding applications.

Language: Английский

---

Thermomechanical buckling response of precompressed sandwich plate with foam metal core and symmetric FGM face layers subjected to magnetic field and Pasternak foundation

Mechanics Research Communications, Journal Year: 2025, Volume and Issue: unknown, P. 104383 - 104383

Published: Jan. 1, 2025

Language: Английский

---

Magnetic and thermal field effects on the 3D wave propagation of sandwich nano plates with GPRL reinforced metal foam core and symmetric FGM face layers

Mechanics of Advanced Materials and Structures, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 44

Published: Feb. 9, 2025

Language: Английский

---

Magnetic field effects on the thermomechanical vibration behavior of functionally graded biocompatible material sandwich nanobeams

Mechanics of Advanced Materials and Structures, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 19

Published: May 11, 2024

This study focuses on modeling and analyzing the thermomechanical vibration behavior of sandwich nanobeams made from biocompatible zirconia Ti-6Al-4V materials. The nanobeam is composed materials mentioned earlier, featuring a porous structure in core layer. experiences significant thermal load subjected to horizontal external electromagnetic field. equations motion for were derived through application sinusoidal high-order shear stress theorem constitutive equation based nonlocal strain gradient elasticity. converted into using Hamilton's principle, incorporating Lorentz force generated field, solved Navier method. Analyses conducted nanoplate, taking consideration properties layers, impact temperature, intensity applied magnetic layer nanoplate porosity volume ratio distribution function has been established. Research demonstrated that an field can effectively mitigate adverse impacts loads caused by high temperatures.

Language: Английский

---

Thermomechanical Response of Smart Magneto-Electro-Elastic FGM Nanosensor Beams with Intended Porosity

Arabian Journal for Science and Engineering, Journal Year: 2024, Volume and Issue: unknown

Published: June 26, 2024

Abstract This study investigates the behavior of free vibrations in a variety porous functionally graded nanobeams composed ferroelectric barium-titanate (BaTiO 3 ) and magnetostrictive cobalt-ferrite (CoFe 2 O 4 ). There are four different models nanobeams: uniform porosity model (UPM), symmetric (SPM), concentrated bottom region (BPM), top (TPM). The nanobeam constitutive equation calculates strains based on various factors, including classical mechanical stress, thermal expansion, electroelastic properties, nonlocal elasticity. investigated effects factors vibration nanobeams, thermo-magneto-electroelastic coupling, electric magnetic field potential, features, models, changes volume. temperature-dependent properties BaTiO CoFe have been recently explored literature for first time. dynamics nanosensor beams greatly influenced by characteristics. As ratios decrease, dimensionless frequencies decrease increase, respectively, material grading index. were parameter, external temperature, causing them to rise. On other hand, slenderness ratio potential caused drop. volume has depending model.

Language: Английский

---

3D wave dispersion analysis of graphene platelet-reinforced ultra-stiff double functionally graded nanocomposite sandwich plates with metamaterial honeycomb core layer

Mechanics of Time-Dependent Materials, Journal Year: 2024, Volume and Issue: 28(3), P. 1873 - 1908

Published: July 5, 2024

Abstract This research addresses the three-dimensional thermomechanical wave propagation behavior in sandwich composite nanoplates with a metamaterial honeycomb core layer and double functionally graded (FG) ultra-stiff surface layers. Due to its potential for high-temperature applications, pure nickel (Ni) is preferred layer, an Al 2 O 3 /Ni ceramic-metal matrix The functional distribution of graphene platelets (GPLs) three different patterns, Type-U, Type-X, Type-O, metal-ceramic power law provides double-FG properties mechanical thermal material characteristics layers, as well reinforcing GPLs, are temperature-dependent. pattern temperature variation over plate thickness considered be nonlinear. nanoplate’s motion equations obtained by combining sinusoidal higher-order shear deformation theory (SHSDT) nonlocal integral elasticity strain gradient theories. established using Hamilton’s principle. Parametric simulations graphical representations performed analyze effects size variables, number, index, GPL pattern, weight ratio, rise on plate. results analysis reveal that 3D nanoplate can significantly modified or tuned depending desired parameters conditions. Thus, proposed structure expected provide essential contributions radar/sonar stealth applications air, space, submarine vehicles high low-temperature environments, protection microelectromechanical devices from noise vibration, soft robotics wearable health protective equipment applications.

Language: Английский

---

Nonlinear bending responses of magneto-electro-elastic laminated nanoplates with flexomagnetoelectric effect in hygrothermal environments

Mechanics of Advanced Materials and Structures, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 23

Published: Feb. 13, 2025

Language: Английский

---

Nonlinear dynamic response of magneto-electro-elastic cylindrical shells subjected to moving load

Mechanics of Advanced Materials and Structures, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 12

Published: Feb. 12, 2025

Language: Английский

---

Effect of the porous structure on the hygrothermal vibration analysis of functional graded nanoplates using nonlocal high-order continuum plate model

Acta Mechanica, Journal Year: 2024, Volume and Issue: 235(8), P. 5079 - 5106

Published: June 4, 2024

Abstract This study delves into the thermomechanical vibration behavior of functionally graded porous nanoplates under extreme thermal temperature and humidity conditions. The equation motion nanoplate was derived using advanced theories in elasticity deformation. consists metal (SUS304) on bottom surface ceramic (Ni 3 S 4 ) top surface, with material distribution changing according to power law across plate thickness. modeled uniform symmetric distributions porosity reaching as high 60%. Upon incorporating moisture loads from humid surroundings equations Hamilton's principle, were solved Navier's method simplified eigenvalue equation. Analyzed within a broad framework are nanoplate, impact, influence, its distribution, grading parameter effects, nonlocal integral effects. Observations indicate that variations temperature, humidity, parameters can lower frequency whereas has opposite effect. effects mentioned influenced by factors, such ratio, ratios, size plate. primary objective this work is uncover nonlinear response conditions characterized humidity.

Language: Английский

---

Thermomechanical Vibration Response of Solid and Foam FGM Nano Actuator/Sensor Plates

Journal of Vibration Engineering & Technologies, Journal Year: 2024, Volume and Issue: unknown

Published: July 10, 2024

Abstract Purpose In this study, the effect of foam structure on thermomechanical behaviour high void ratio porous FGM piezoelectric smart nanoplates is investigated. Method The material nanoplate consists PZT-4 bottom surface and BaTiO 3 top formed by functional grading these two materials along thickness plate. Four different distribution models are modelled to examine highly nanoplate, which has become widespread in biosensor applications. For reason, uniform, symmetrical, symmetrical created up 75% ratio. To determine nano size, equations motion obtained using nonlocal strain gradient elasticity sinusoidal shear deformation theories together, solved Navier method according general boundary conditions. Result Conclusions As a result analysis, it observed that applied external electric potential creates softening plates with therefore reduces thermal buckling temperatures. It presence significantly improves resistance increases also model significant effects behaviour.

Language: Английский

---