Nonlinear size-dependent pull-in instability and stress analysis of thin plate actuator based on enhanced continuum theories including nonlinear effects and surface energy
Sign Up to like & getrecommendations! Published in 2018 at "Microsystem Technologies"
DOI: 10.1007/s00542-017-3540-4
Abstract: In recent years, size dependent continuum theories have been commonly used to simulate material discontinuities in micro/nano-scales. In the present article, modified strain gradient theory (MSGT) and Gurtin–Murdoch surface elasticity, are used to investigate the… read more here.
Keywords: pull; size dependent; stress analysis; size ... See more keywords
Pull-in instability of a typical electrostatic MEMS resonator and its control by delayed feedback
Sign Up to like & getrecommendations! Published in 2017 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-017-3653-4
Abstract: Pull-in instability of the electrostatic microstructures is a common undesirable phenomenon which implies the loss of reliability of micro-electromechanical systems. Therefore, it is necessary to understand its mechanism and then reduce the phenomenon. In this… read more here.
Keywords: typical electrostatic; mems resonator; instability typical; electrostatic mems ... See more keywords
An experimental study for characterization of size-dependence in microstructures via electrostatic pull-in instability technique
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0011335
Abstract: This paper experimentally investigates the size-dependent effective Young's modulus E eff of aluminum (Al) clamped-clamped microbeams using the electrostatic pull-in instability technique. This study presents an experimental characterization of the so-called “length scale parameter” in… read more here.
Keywords: size; electrostatic pull; instability technique; pull instability ... See more keywords
Coupled mechanism and pull-in instability of several probe-membrane assemblies subjected to electrostatic force
Sign Up to like & getrecommendations! Published in 2018 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2016.1255825
Abstract: ABSTRACT The mathematical model of a coupled probe-membrane system subjected to electrostatic force is constructed. It is different than the conventional nano/micro actuator, which is constructed by two independent fixed/mobile conducting electrodes. The formula of… read more here.
Keywords: electrostatic force; pull instability; probe membrane; subjected electrostatic ... See more keywords
Surface/interface approach in pull-in instability and nonlinear vibration analysis of fluid-conveying piezoelectric nanosensor
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics Based Design of Structures and Machines"
DOI: 10.1080/15397734.2020.1725566
Abstract: In present work, pull-in instability and nonlinear vibration analysis of fluid-conveying piezoelectric nanosensor (FCPENS) subjected to nonlinear electrostatic and harmonic excitations and viscoela... read more here.
Keywords: vibration analysis; analysis fluid; nonlinear vibration; fluid conveying ... See more keywords
The influence of higher in- and out-of-plane natural modes on dynamic pull-in instability of electrically actuated micro-plates
Sign Up to like & getrecommendations! Published in 2018 at "European Journal of Computational Mechanics"
DOI: 10.1080/17797179.2018.1484032
Abstract: ABSTRACT Generating reduced-order models (ROMs) is one of the most efficient procedures for predicting pull-in instability threshold in electrically actuated rectangular micro-plates. To date, there exist some different approaches for this procedure in the literature… read more here.
Keywords: electrically actuated; micro plates; pull instability; natural modes ... See more keywords
The pull-in instability and eigenfrequency variations of a graphene resonator under electrostatic loading
Sign Up to like & getrecommendations! Published in 2022 at "Mathematics and Mechanics of Solids"
DOI: 10.1177/10812865221101120
Abstract: A continuum membrane model is presented to describe the pull-in instability and eigenfrequency variations of a graphene resonator under an electrostatic loading. The pull-in instability leads to the device failure and the eigenfrequency variation determines… read more here.
Keywords: instability; electrostatic loading; eigenfrequency variations; pull instability ... See more keywords