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Article: Nonlinear behavior analysis of electrostatically actuated multilayer anisotropic microplates with residual stress

TitleNonlinear behavior analysis of electrostatically actuated multilayer anisotropic microplates with residual stress
Authors
KeywordsResidual stress
Nonlinear mechanical behaviors
Material anisotropy
Electrostatically actuated multilayer microplates
Hydrostatic pressure
Scale effects
Closed-form expressions
Issue Date2021
Citation
Composite Structures, 2021, v. 255, article no. 112964 How to Cite?
Abstract© 2020 Elsevier Ltd Electrostatically actuated microplates with multilayer and material anisotropy properties, are widely employed in microelectromechanical systems. However, previous theories rarely consider the aforementioned properties simultaneously, hindering their widespread application. This paper proposes a general theoretical model for electrostatically actuated rectangular multilayer anisotropic microplates subjected to residual stress and hydrostatic pressure by combining the classical laminated thin plate theory, Galerkin method and a partial expansion approach for nonlinear electrostatic force. This model enables successful establishment of closed-form expressions for the main mechanical behaviors, e.g. the pull-in voltage, static deflection, and resonant frequency. Validation of these expressions, using finite element method simulations and experimental results, shows significant improvement in the analysis accuracy (15 times higher) compared to those theories neglecting the material anisotropy, as well as excellent applicability across a wide range of DC voltages and dimensions. Additionally, the influences of electrostatic softening effects and scale effects on the theories are also discussed.
Persistent Identifierhttp://hdl.handle.net/10722/295436
ISSN
2023 Impact Factor: 6.3
2023 SCImago Journal Rankings: 1.601
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLi, Zhikang-
dc.contributor.authorZhao, Libo-
dc.contributor.authorLi, Jie-
dc.contributor.authorZhao, Yihe-
dc.contributor.authorXu, Tingzhong-
dc.contributor.authorLiu, Zichen-
dc.contributor.authorLuo, Guoxi-
dc.contributor.authorZhang, Shiming-
dc.contributor.authorHu, Kaiming-
dc.contributor.authorHoffman, Tyler-
dc.contributor.authorSaghir, Shahid-
dc.contributor.authorLu, Dejiang-
dc.contributor.authorZhang, Wenming-
dc.contributor.authorJiang, Zhuangde-
dc.date.accessioned2021-01-18T15:46:52Z-
dc.date.available2021-01-18T15:46:52Z-
dc.date.issued2021-
dc.identifier.citationComposite Structures, 2021, v. 255, article no. 112964-
dc.identifier.issn0263-8223-
dc.identifier.urihttp://hdl.handle.net/10722/295436-
dc.description.abstract© 2020 Elsevier Ltd Electrostatically actuated microplates with multilayer and material anisotropy properties, are widely employed in microelectromechanical systems. However, previous theories rarely consider the aforementioned properties simultaneously, hindering their widespread application. This paper proposes a general theoretical model for electrostatically actuated rectangular multilayer anisotropic microplates subjected to residual stress and hydrostatic pressure by combining the classical laminated thin plate theory, Galerkin method and a partial expansion approach for nonlinear electrostatic force. This model enables successful establishment of closed-form expressions for the main mechanical behaviors, e.g. the pull-in voltage, static deflection, and resonant frequency. Validation of these expressions, using finite element method simulations and experimental results, shows significant improvement in the analysis accuracy (15 times higher) compared to those theories neglecting the material anisotropy, as well as excellent applicability across a wide range of DC voltages and dimensions. Additionally, the influences of electrostatic softening effects and scale effects on the theories are also discussed.-
dc.languageeng-
dc.relation.ispartofComposite Structures-
dc.subjectResidual stress-
dc.subjectNonlinear mechanical behaviors-
dc.subjectMaterial anisotropy-
dc.subjectElectrostatically actuated multilayer microplates-
dc.subjectHydrostatic pressure-
dc.subjectScale effects-
dc.subjectClosed-form expressions-
dc.titleNonlinear behavior analysis of electrostatically actuated multilayer anisotropic microplates with residual stress-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.compstruct.2020.112964-
dc.identifier.scopuseid_2-s2.0-85092892230-
dc.identifier.volume255-
dc.identifier.spagearticle no. 112964-
dc.identifier.epagearticle no. 112964-
dc.identifier.isiWOS:000582806200075-
dc.identifier.issnl0263-8223-

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