Size‐dependent buckling analysis of functionally graded nanoplate coupled with piezoelectric layers resting on orthotropic foundation based on surface piezo‐elasticity theory DOI

Amir Hossein Soltan Arani,

A. Ghorbanpour Arani, Zahra Khoddami Maraghi

et al.

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 25, 2024

Abstract In this study, a refined plate theory by considering stretching effects extended to investigation of quasi‐3D size‐dependent buckling analysis functionally graded simply supported nanoplate integrated with piezoelectric face‐sheets resting on orthotropic foundation taking into account the surface effects. The power law is used calculate material properties in core which non‐homogeneous are continuously changing along thickness. Due consideration materials and due asymmetry distribution core, middle plane neutral do not coincide. Hence, consider reference plane, concept considered. kinematics formulated nonlocal higher order shear deformation based strain gradient theory. Additionally, effect modeled piezo‐elasticity To check accuracy efficiency current model, comprehensive validation comparative study has been conducted results obtained found previous literature. Finally, investigate various parameters, including different foundations, residual stress, effects, effect, surface, aspect ratio, thickness nanlocal parameter, length scale index, initial voltage, examined critical load details. It expected that should be utilized designing micro/nano‐electro‐mechanical systems components smart nanostructures.

Language: Английский

Large amplitude vibration characteristic of the sandwich nanocomposite doubly curved shells DOI

Elyas Mohammad-Rezaei Bidgoli,

Mohammad Arefi

Archives of Civil and Mechanical Engineering, Journal Year: 2025, Volume and Issue: 25(1)

Published: Jan. 9, 2025

Language: Английский

Citations

1
Applying Levy and DQ Methods to Hygrothermal Deformation of Piezoelectric/GPLs Plates with Porosities Lying on Elastic Foundations Using a Quasi-3D Plate Theory DOI Creative Commons
Fatemah H. H. Al Mukahal,

Fatemah Alsebai,

Mohammed Sobhy

et al.

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

Citations

1
On the effect of foam structures on thermo-mechanical vibration response of functionally graded piezoelectric smart plates DOI Creative Commons

Muhammet Mevlüt Karaca,

İsmail Esen

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

Published: April 27, 2025

Language: Английский

Citations

1
Nonlinear deflection and traveling wave solution for FG-GPLs reinforced microtubes embedded in Kerr foundation and conveying magnetic fluid DOI
Mohammed Sobhy

Ocean Engineering, Journal Year: 2024, Volume and Issue: 296, P. 117026 - 117026

Published: Feb. 7, 2024

Language: Английский

Citations

6
Transient bending analysis of the graphene nanoplatelets reinforced sandwich concrete building structure validated by machine learning algorithm DOI
Xia Zhou, Yu-Yuan Chen,

Mohamed Abbas

et al.

Mechanics of Advanced Materials and Structures, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 22

Published: May 17, 2024

This paper demonstrates a thorough examination of the bending behavior sandwich concrete building structures that are reinforced with graphene nanoplatelets (GPLs). The analysis is confirmed using machine learning technique. Sandwich have notable benefits in terms strength, longevity, and thermal insulation, making them well-suited for many applications. Integrating GPLs into matrix improves mechanical characteristics performance these structures, especially behavior. study utilizes technique to verify characterization temporary structure nanoplatelets. approach dataset consisting simulated data create prediction model can reliably estimate response under different loading situations. algorithm's effectiveness dependability optimizing design demonstrated through validation against results. provides engineers designers powerful tool. enhances comprehension use approaches analyzing designing sophisticated structural materials systems.

Language: Английский

Citations

6
Nonlinear bending of FG metal/graphene sandwich microplates with metal foam core resting on nonlinear elastic foundations via a new plate theory DOI
Mohammed Sobhy,

Fatimah Alsaleh

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

Citations

13
The vibration behaviour-based meshfree moving Kriging method of functionally graded sandwich plates placed on Kerr foundation DOI

Vu Khac Trai,

Ngo Van Huong Binh,

Trung Thanh Tran

et al.

Nondestructive Testing And Evaluation, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 29

Published: Jan. 17, 2025

This paper presents a pioneering application of the meshfree moving Kriging (MK) method in conjunction with improved first-order shear deformation theory (i-FSDT) to study vibration behaviour functionally graded sandwich (FGSW) plates hard-core sandwiched between two FG skin layers placed on Kerr foundation (KF). One significant advantage MK interpolation is its Kronecker delta property, which allows for direct enforcement boundary conditions (BCs). Unlike original method, this approach eliminates need pre-define correlation parameter, might affect approximation accuracy. The governing equation was obtained using Hamilton's concept. Matlab code-based Newmark-β used solve motion FGSW plates. performance and accuracy proposed formula are verified through comparative examples. Then, effects geometrical dimensions, material properties, BCs examined detail.

Language: Английский

Citations

0
Nonlinear bending and vibration of FGCNTs cylindrical microshells conveying microfluid under a 2D magnetic field DOI
Mohammed Sobhy

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

Published: May 22, 2025

Language: Английский

Citations

0
Geometrically nonlinear effect on forced vibrational behavior of superlight composite beams with auxetic core layer under harmonic excitation based on FSDT DOI
Farid Mahboubi Nasrekani, Hamidreza Eipakchi

Mechanics Based Design of Structures and Machines, Journal Year: 2023, Volume and Issue: 52(8), P. 5435 - 5456

Published: Sept. 9, 2023

AbstractThe growing use of light composite materials in different industries such as automotive and aerospace has caused the need for more studies to analyze their behavior. In this study, an analytical solution nonlinear forced vibrational behavior a multilayered superlight beam with honeycomb core layer adjustable Poisson's ratio subjected harmonic excitation been presented. The two isotropic upper lower layers one layer. can be adjusted by changing cell parameters range negative positive values. equations motion have extracted using first-order shear deformation theory von Kármán relations. are system coupled partial differential that solved perturbation technique. To investigate effect geometry on response, parametric study conducted. nonlinearity chaotic primary resonance is studied. finite element method used compare results. It observed adding layer, total weight dropped about 50% while dynamic responses nearly remain same.Keywords: L Nonlinear responseHarmonic excitationComposite auxetic corePerturbation techniqueAdjustable Disclosure statementThe authors declare they no known competing financial interests or personal relationships could appeared influence work reported paper.

Language: Английский

Citations

9
Free vibration analysis of functionally graded composite plates reinforced with linearly and nonlinearly distributed carbon nanotubes in hygrothermal environments DOI

Zahira Mouas,

Rachid Tiberkak,

Yasser Chiker

et al.

Mechanics Based Design of Structures and Machines, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 28

Published: Aug. 20, 2024

This article presents a novel investigation of the free vibration behavior functionally graded carbon nanotube-reinforced composite (FG-CNTRC) plates under hygrothermal environments. It explores both uniform and non-uniform (functionally graded) distributions CNTs across plate thickness for first time. The effective material properties CNTRC, considering temperature moisture dependence, are determined using extended rule mixture. First-order shear deformation theory (FSDT) is employed to derive governing equations incorporating hygro-elastic thermo-elastic relations. These solved finite element method. A validation study verifies accuracy approaches. Subsequently, comprehensive parametric investigates influence geometry (length-to-width width-to-thickness ratios), volume fraction, boundary conditions, linear non-linear distributions, environments on polymeric nanocomposite reinforced with fillers conducted. results reveal that increase in leads decrease stiffness FG-CNTRC plates.

Language: Английский

Citations

3