Dynamic pull-in phenomenon in MEMS resonators

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Pull-in and snap-through instabilities in transient deformations of microelectromechanical systems (2009, background): “The pull-in instability in a MEMS under a transient electric load has been studied in [23–28], and the snap-through of arches and shells during their transient deformations under mechanical loads has been reported in [29, 30].”
Nonlinear microbeam model based on strain gradient theory (2012, methodology): “which is identical to the nonlinear governing equation of the Euler–Bernoulli microbeam based on the classical elastic theory [33–35].”
Nonlinear Dynamics and Its Applications in Micro- and Nanoresonators (2010, methodology): “A number of analytical studies have been carried out that make use of the amplitudes of steady-state responses in relation to the pullin response amplitude in order to develop approximate dynamic pull-in threshold criteria [67–69].”
Nonlinear Dynamics of MEMS Arches Under Harmonic Electrostatic Actuation (2010, methodology): “This is because dynamic actuation demands less voltage for pull-in compared to static methods [13], [29], [30].”