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    Investigation of length and initial gap variation on pull-in voltage of multilayered micro-beam 

    Type: Conference Paper
    Author : آرمان محسن زاده; مسعود طهانی; سروش دقیقه رضائی; Arman Mohsenzadeh; Masoud Tahani; Soroosh Daqiqeh Rezaei
    Year: 2014
    Abstract:

    In this work, a multilayered fully clamped micro-beam is modeled using commercial FEM software (COMSOL

    Multiphysics). The model is designed to investigate the pull-in instability of the multilayered micro-beam under

    the effect...

    Material and Geometrical Characteristics Investigation of Micro-beam on Pull-in Voltage Using FEM and Taguchi DOE 

    Type: Conference Paper
    Author : آرمان محسن زاده; مسعود طهانی; سروش دقیقه رضائی; Arman Mohsenzadeh; Masoud Tahani; Soroosh Daqiqeh Rezaei
    Year: 2014
    Abstract:

    In this work, a fully clamped micro-beam is modeled using commercial FEM software (COMSOL

    Multiphysics). The model is designed to investigate the pull-in instability of the micro-beam under the effect of

    electrostatic field induced...

    Pull-In Instability of Electrically Actuated FGM Micro-Beam Under the Mechanical Shock Based on Modified Couple Stress Theory 

    Type: Conference Paper
    Author : محمد علی مختاری امیرمجدی; مسعود طهانی; mohammad ali mokhtari amir majdi; Masoud Tahani
    Year: 2015
    Abstract:

    This investigation concentrates on the combined effect of mechanical shock and electrostatic

    loads on the dynamic pull-in instability of functionally graded micro-beams. An alternative

    reduced order model (ROM) is employed to study...

    A Frequency Criterion for Doubly Clamped Beam-Type N/MEMS subjected to the van der Waals Attraction 

    Type: Journal Paper
    Author : امیررضا عسکری; مسعود طهانی; حمید معین فرد; Amir Reza Askari; Masoud Tahani; Hamid Moeenfard
    Year: 2016
    Abstract:

    In general, the vibration frequency of electrically actuated nano/micro-beams under suddenly applied DC voltage is decreased with an increase of the input voltage. However, this descending behavior may be changed, if the initial gap between...

    INFLUENCE OF FRINGING FIELD EFFECT ON THE PULL-IN OF SIZE DEPENDENT MICRO-BEAMS 

    Type: Conference Paper
    Author : Ali Darvishian; حمید معین فرد; Mohammad Taghi Ahmadian; Hamid Moeenfard
    Year: 2012
    Abstract:

    This study investigates influence of fringing field effect

    on the voltage dependent behavior of electrostatically

    actuated micro-beams. For this purpose, the size

    dependent beam model is used. Strain gradient...

    Transient Characteristics of Microelectromechanical Systems Considering Squeeze Film Damping and Electrostatic Actuation 

    Type: Conference Paper
    Author : عمران خوشروی غیاثی; مسعود طهانی; emran khoshrouye Ghiasi; Masoud Tahani
    Year: 2016
    Abstract:

    parametric study. In addition, the accuracy of present method is verified by comprising the results with experimental data and excellent agreement between them are observed. It is found that by decreasing the resistance of fluid pressure, micro-beam...

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