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Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core

The nonlinear static buckling analysis of magneto-electro-elastic sandwich plate on Pasternak-type elastic foundations subjected to the mechanical, thermal, electric and magnetic loadings is presented in this paper. The sandwich plate is composed of an auxetic honeycomb core with negative Poisson’s...

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Main Authors: Vu, Dinh Quang, Tran, Quoc Quan, Phuong, Tran
Format: Bài trích
Language:English
Published: Elsevier 2022
Subjects:
Nonlinear static buckling
Geometrical optimization
Online Access:https://www.sciencedirect.com/science/article/abs/pii/S0263823122000301?via%3Dihub
https://dlib.phenikaa-uni.edu.vn/handle/PNK/5785
https://doi.org/10.1016/j.tws.2022.108935
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spelling oai:localhost:PNK-57852022-08-17T05:54:55Z Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core Vu, Dinh Quang Tran, Quoc Quan Phuong, Tran Nonlinear static buckling Geometrical optimization The nonlinear static buckling analysis of magneto-electro-elastic sandwich plate on Pasternak-type elastic foundations subjected to the mechanical, thermal, electric and magnetic loadings is presented in this paper. The sandwich plate is composed of an auxetic honeycomb core with negative Poisson’s ratio and two face sheets made of magneto-electro-elastic​ material. The system basic equations are derived based on the Reddy’s higher order shear deformation plate theory taking into account the effect of von Kármán the kinematic nonlinearity and initial imperfection. The form of possible solutions and electric, magnetic potentials are chosen as trigonometric functions based on two cases of boundary conditions. The relationship between axial compressive loading and dimensionless deflection amplitude is determined by using the Galerkin method. For optimization problem, the Bees algorithm is applied to obtain the maximum value of critical buckling load of the sandwich plate which depends on five geometrical and material parameters. The effects of elastic foundations, temperature increment, geometrical parameters and electric and magnetic potentials on the stability characteristics are investigated in numerical results. The accuracy and reliability of present approach is confirmed by comparisons with the existing results in the literature. 2022-05-05T07:26:27Z 2022-05-05T07:26:27Z 2022 Bài trích https://www.sciencedirect.com/science/article/abs/pii/S0263823122000301?via%3Dihub https://dlib.phenikaa-uni.edu.vn/handle/PNK/5785 https://doi.org/10.1016/j.tws.2022.108935 en Elsevier
institution Digital Phenikaa
collection Digital Phenikaa
language English
topic Nonlinear static buckling
Geometrical optimization
spellingShingle Nonlinear static buckling
Geometrical optimization
Vu, Dinh Quang
Tran, Quoc Quan
Phuong, Tran
Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
description The nonlinear static buckling analysis of magneto-electro-elastic sandwich plate on Pasternak-type elastic foundations subjected to the mechanical, thermal, electric and magnetic loadings is presented in this paper. The sandwich plate is composed of an auxetic honeycomb core with negative Poisson’s ratio and two face sheets made of magneto-electro-elastic​ material. The system basic equations are derived based on the Reddy’s higher order shear deformation plate theory taking into account the effect of von Kármán the kinematic nonlinearity and initial imperfection. The form of possible solutions and electric, magnetic potentials are chosen as trigonometric functions based on two cases of boundary conditions. The relationship between axial compressive loading and dimensionless deflection amplitude is determined by using the Galerkin method. For optimization problem, the Bees algorithm is applied to obtain the maximum value of critical buckling load of the sandwich plate which depends on five geometrical and material parameters. The effects of elastic foundations, temperature increment, geometrical parameters and electric and magnetic potentials on the stability characteristics are investigated in numerical results. The accuracy and reliability of present approach is confirmed by comparisons with the existing results in the literature.
format Bài trích
author Vu, Dinh Quang
Tran, Quoc Quan
Phuong, Tran
author_facet Vu, Dinh Quang
Tran, Quoc Quan
Phuong, Tran
author_sort Vu, Dinh Quang
title Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
title_short Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
title_full Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
title_fullStr Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
title_full_unstemmed Static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
title_sort static buckling analysis and geometrical optimization of magneto-electro-elastic sandwich plate with auxetic honeycomb core
publisher Elsevier
publishDate 2022
url https://www.sciencedirect.com/science/article/abs/pii/S0263823122000301?via%3Dihub
https://dlib.phenikaa-uni.edu.vn/handle/PNK/5785
https://doi.org/10.1016/j.tws.2022.108935
_version_ 1751856283079671808
score 8.891145

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