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RISAn alternative reduced order model for electrically actuatedmicro-beams under mechanical shock
This study focuses on the effect of mechanical shock on dynamic pull-in instability of eclectically actuatedmicro-beams through an alternative reduced order model (ROM). The model’s predictions for dynamicpull-in voltages ...
Accurate electrostatic and van der Waals pull-in prediction for fully clamped nano/micro-beams using linear universal graphs of pull-in instability
In spite of the fact that pull-in instability of electrically actuated nano/micro-beams has been investigated by many researchers to date, no explicit formula has been presented yet which can predict pull-in voltage based ...
Dynamic Pull-In Investigation of a Clamped-Clamped Nanoelectromechanical Beam under Ramp-Input Voltage and the Casimir Force
The influence of the Casimir excitation on dynamic pull-in instability of a nanoelectromechanical beam under ramp-input voltage is studied. The ramp-input actuation has applications in frequency sweeping of RF-N/MEMS. The ...
ارائه ی یک مدل الکترومکانیکی وابسته به بُعد برای میکروحسگرهای تشدیدی صفحه ای مستطیلی شکل بر اساس تئوری بهبود یافته ی تنش کوپل
میکروحسگرهای تشدیدی صفحه ای مستطیلی شکل از فرکانس تشدید میکروصفحات گیردار خیز برداشته در اثر اعمال اختلاف پتانسیل الکتریکی برای حس کردن استفاده می کنند. هدف پژوهش حاضر تحلیل ارتعاشات آزاد این سیستم ها به منظور بدست آوردن ...
Size-dependent dynamic pull-in analysis of beam-type MEMS under mechanical shock based on the modified couple stress theory
Size-dependent stability analysis of a fully clamped micro-electro-mechanical beam under
the effect of shock acceleration pulse is the objective of present paper. The size-dependent
Euler–Bernoulli beam model ...
Analytical determination of size-dependent natural frequencies of fully clamped rectangular microplates based on the modified couple stress theory
This paper presents an analytical and size-dependent model for vibrational analysis of fully clamped rectangular microplates. Modified couple stress theory (MCST) and the Kirchhoff plate model are considered, and Hamilton’s ...
Stability analysis of electrostatically actuated nano/micro-beams under the effect of van der Waals force, a semi-analytical approach
The objective of the present paper is to determine pull-in parameters (pull-in voltage and its corresponding displacement) of nano/micro-beams with clamped-clamped, clamped-free, clamped-hinged and hinged-hinged boundary ...
Size-dependent dynamic pull-in analysis of geometric non-linear micro-plates based on the modified couple stress theory
This paper focuses on the size-dependent dynamic pull-in instability in rectangular micro-plates actuated by step-input DC voltage. The present model accounts for the effects of in-plane displacements and their non-classical ...
Dynamic Analysis of Rectangular Micro-plates Under Mechanical Shock in Presence of Electrostatic Actuation
Besides one dimensional beam-type MEMS, two dimensional electrically actuated rectangular micro-plates have lots of applications in micro-engineering. However, there exist only a few works devoted to the analysis of such ...
On the Response of Clamped-Clamped Nano-Electro-Mechanical Beam under Mechanical Shock Incorporating the Casimir Force
In the current paper the effect of the Casimir force on the response of a fully clamped nanoelectro-
mechanical beam under mechanical shock is studied. This model accounts for midplane stretching and applied axial ...