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نمایش تعداد 1-10 از 19

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    Dynamic Pull-In Investigation of a Clamped-Clamped Nanoelectromechanical Beam under Ramp-Input Voltage and the Casimir Force 

    نوع: Journal Paper
    نویسنده : امیررضا عسکری; مسعود طهانی; Amir Reza Askari; Masoud Tahani
    سال: 2014
    خلاصه:

    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 ...

    On the Response of Clamped- Clamped Nano-Electro- Mechanical Beam under Mechanical Shock Incorporating the Casimir Force 

    نوع: Conference Paper
    نویسنده : Askari, Amir R.; Tahani, Masoud
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    Nonlinear Dynamic Analysis of Nanoscale Beams inLiquid Electrolytes using Nonlocal Elasticity TheoryConsidering Casimir Effect 

    نوع: Conference Paper
    نویسنده : Farshidianfar, A; Alizadeh, V.R; Yousefsani, S.A.; Ghassabi, A.A.
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    On the Response of Clamped-Clamped Nano-Electro-Mechanical Beam under Mechanical Shock Incorporating the Casimir Force 

    نوع: Conference Paper
    نویسنده : امیررضا عسکری; مسعود طهانی; Amir Reza Askari; Masoud Tahani
    سال: 2012
    خلاصه:

    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 loading. A Galerkin based...

    Free vibration analysis of a fully clamped rectangular plate-type nano/micro-resonator in presence of the Casimir force 

    نوع: Conference Paper
    نویسنده : امیررضا عسکری; آرمان محسن زاده; مسعود طهانی; Amir Reza Askari; Arman Mohsenzadeh; Masoud Tahani
    سال: 2015
    خلاصه:

    The Casimir force is resulting from the propagation of retarded electromagnetic waves and acts in sub-micron separations. This force is inversely proportional to the fourth power of the nano/micro-plate’s deflection. Hence, the oscillatory behavior...

    Modeling of Pull-In Instability of Nano/Micromirrors Under the Combined Effect of Capillary and Casimir Forces 

    نوع: Journal Paper
    نویسنده : حمید معین فرد; Ali Darvishian; Mohammad Taghi Ahmaidan; Hamid Moeenfard
    سال: 2011
    خلاصه:

    In the current article the effect of the Casimir force on the static behavior and pull-in characteristics of nano/micromirrors under capillary force is investigated. At the first, the dimensionless equation governing the static behavior of nano...

    Dynamic Pull-in Investigation of a Clamped-Clamped Nano-Electro-Mechanical Beam under Ramp-Input Voltage and the Casimir Force 

    نوع: Conference Paper
    نویسنده : امیررضا عسکری; مسعود طهانی; Amir Reza Askari; Masoud Tahani
    سال: 2012
    خلاصه:

    In this present paper, the influence of the Casimir excitation on dynamic pull-in instability of a nano-electro-mechanical beam under ramp-input voltage is studied. The ramp-input actuation has applications in frequency ...

    Analytical approximations to nonlinear vibration of clamped nano-electro-mechanical beam in presence of the Casimir force 

    نوع: Conference Paper
    نویسنده : امیررضا عسکری; مسعود طهانی; M.R. Tahani; Amir Reza Askari; Masoud Tahani
    سال: 2012
    خلاصه:

    In this paper, the homotopy analysis method (HAM) is used to derive analytical approximate solutions for investigating the nonlinear vibrations of nano-electro-mechanical beam under the Casimir force without any electrostatic excitation. This model...

    Analytical Solutions for the Static Instability of Nano-switches under the Effect of Casimir Force and Electrostatic Actuation 

    نوع: Conference Paper
    نویسنده : M. Mojahedi; حمید معین فرد; M. Taghi Ahmadian; Hamid Moeenfard
    سال: 2009
    خلاصه:

    This paper deals with the problem of static instability of

    nano switches under the effect of Casimir force and

    electrostatic actuation. The nonlinear fringing field

    effect has been accounted for in the model. Using a...

    Investigation of Casimir and Van der Waals Forces for a Nonlinear Double-Clamped Beam Using Homotopy Perturbation Method 

    نوع: Conference Paper
    نویسنده : M.. Mojahedi; حمید معین فرد; M. Taghi Ahmadian; Hamid Moeenfard
    سال: 2009
    خلاصه:

    In this study, static deflection and Instability of doubleclamped

    nanobeams actuated by electrostatic field and

    intermolecular force, are investigated. The model

    accounts for the electric force ...

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