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Effect of geometric nonlinearity on dynamic pull-in behavior of coupled-domain microstructures based on classical and shear deformation plate theories

Tajalli, S. A ; Sharif University of Technology | 2009

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  1. Type of Document: Article
  2. DOI: 10.1016/j.euromechsol.2009.04.003
  3. Publisher: 2009
  4. Abstract:
  5. This paper investigates the dynamic pull-in behavior of microplates actuated by a suddenly applied electrostatic force. Electrostatic, elastic and fluid domains are involved in modeling. First-order shear deformation plate theory and classical plate theory are used to model the geometrically nonlinear microplates. The equations of motion are descritized by the finite element method. The effects of nonlinearity, fluid pressure, initial stress and different geometric parameters on dynamic behavior are examined. In addition, the influences of initial stress and actuation voltage on oscillatory behavior of microplates are evaluated. © 2009 Elsevier Masson SAS. All rights reserved
  6. Keywords:
  7. Dynamic pull-in instability ; Nonlinearity ; Squeeze film damping ; Actuation voltages ; Classical plate theory ; First-order shear deformation ; Fluid domain ; Fluid pressures ; Geometric non-linearity ; Geometric parameter ; Geometrically nonlinear ; Initial stress ; Microplates ; Nonlinearity ; ON dynamics ; Oscillatory behaviors ; Pull-in ; Shear deformation plate theories ; Squeeze film damping ; Composite structures ; Damping ; Electric potential ; Electrostatics ; Piezoelectric actuators ; Shear deformation ; Switching systems ; Equations of motion
  8. Source: European Journal of Mechanics, A/Solids ; Volume 28, Issue 5 , 2009 , Pages 916-925 ; 09977538 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/pii/S099775380900045X