Structural Engineering and Mechanics

  • 제56권3호
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  • Pages.461-472
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  • 2015
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Brief and accurate analytical approximations to nonlinear static response of curled cantilever micro beams

  • Sun, Youhong (College of Construction Engineering, Jilin University) ;
  • Yu, Yongping (College of Construction Engineering, Jilin University) ;
  • Liu, Baochang (College of Construction Engineering, Jilin University)
  • 투고 : 2014.04.25
  • 심사 : 2015.10.28
  • 발행 : 2015.11.10
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, the nonlinear static response of curled cantilever beam actuators subjected to the one-sided electrostatic field is focused on. By assuming the deflection function of electrostatically actuated beam, analytical approximate solutions are established via using Galerkin method to solve the equilibrium equation. The Pull-In voltages which determine the stability of the curled beam actuators are also obtained. These approximate solutions show excellent agreements with numerical solutions obtained by the shooting method and the experimental data for a wide range of beam length. Expressions of these analytical approximate solutions are brief and could easily be used to derive the effects of various physical parameters on MEMS structures.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China

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