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Pull-in instability and nonlinear vibration of microbeam with piezoelectric patch driven by electrostatic force using modified couple stress theory.

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Title: Pull-in instability and nonlinear vibration of microbeam with piezoelectric patch driven by electrostatic force using modified couple stress theory.
Authors: Saw, Gyana Ranjan1 (AUTHOR) sgyana87@gmail.com, Singh, Suraj1 (AUTHOR), Chakraborty, Goutam1 (AUTHOR)
Source: Mechanics of Advanced Materials & Structures. 2025, Vol. 32 Issue 19, p4738-4755. 18p.
Subjects: Electrostatics, Piezoelectric detectors, Microstructure, Vibration (Mechanics), Strains & stresses (Mechanics)
Abstract: The static and dynamic pull-in characteristics of electrostatically and piezo-electrically actuated microbeam are investigated. The static pull-in voltage is evaluated using analytical methods based on MCST, CCMT and validated through the use of FE based COMSOL multiphysics tools. The dynamic pull-in voltage obtained from numerical technique and verified with existing literature, lower than the static pull-in voltage. The piezoelectric patch has a significant influence on the pull-in voltage and an effect on the aspect ratio. Moreover, the pull-in band and instability zone of the microbeam with weak and hard forcing function have been investigated using multiple scale method. [ABSTRACT FROM AUTHOR]
Copyright of Mechanics of Advanced Materials & Structures is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Pull-in instability and nonlinear vibration of microbeam with piezoelectric patch driven by electrostatic force using modified couple stress theory.
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  Data: <searchLink fieldCode="AR" term="%22Saw%2C+Gyana+Ranjan%22">Saw, Gyana Ranjan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sgyana87@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Singh%2C+Suraj%22">Singh, Suraj</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chakraborty%2C+Goutam%22">Chakraborty, Goutam</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Mechanics+of+Advanced+Materials+%26+Structures%22">Mechanics of Advanced Materials & Structures</searchLink>. 2025, Vol. 32 Issue 19, p4738-4755. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Electrostatics%22">Electrostatics</searchLink><br /><searchLink fieldCode="DE" term="%22Piezoelectric+detectors%22">Piezoelectric detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Vibration+%28Mechanics%29%22">Vibration (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The static and dynamic pull-in characteristics of electrostatically and piezo-electrically actuated microbeam are investigated. The static pull-in voltage is evaluated using analytical methods based on MCST, CCMT and validated through the use of FE based COMSOL multiphysics tools. The dynamic pull-in voltage obtained from numerical technique and verified with existing literature, lower than the static pull-in voltage. The piezoelectric patch has a significant influence on the pull-in voltage and an effect on the aspect ratio. Moreover, the pull-in band and instability zone of the microbeam with weak and hard forcing function have been investigated using multiple scale method. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Mechanics of Advanced Materials & Structures is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/15376494.2024.2413183
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      – Code: eng
        Text: English
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        PageCount: 18
        StartPage: 4738
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      – SubjectFull: Electrostatics
        Type: general
      – SubjectFull: Piezoelectric detectors
        Type: general
      – SubjectFull: Microstructure
        Type: general
      – SubjectFull: Vibration (Mechanics)
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      – SubjectFull: Strains & stresses (Mechanics)
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      – TitleFull: Pull-in instability and nonlinear vibration of microbeam with piezoelectric patch driven by electrostatic force using modified couple stress theory.
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            NameFull: Singh, Suraj
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            – D: 01
              M: 10
              Text: 2025
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              Y: 2025
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