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FRACTAL N/MEMS: FROM PULL-IN INSTABILITY TO PULL-IN STABILITY

School of Science, Xi’an University of Architecture and Technology, Xi’an, P. R. China

Corresponding author.

National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, 199 Ren-Ai Road, Suzhou, P. R. China

School of Mathematical Science, Soochow University, Suzhou, P. R. China

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NAVEED ANJUM

National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, 199 Ren-Ai Road, Suzhou, P. R. China

School of Mathematical Science, Soochow University, Suzhou, P. R. China

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CHUN-HUI HE

School of Civil Engineering, Xi’an University of Architecture & Technology, Xi’an 710055, China

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, and

BIN CHENG

School of Science, Xi’an University of Architecture and Technology, Xi’an, P. R. China

E-mail Address: cheengbin@163.com

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https://doi.org/10.1142/S0218348X21500304Cited by:127 (Source: Crossref)

Abstract

Pull-in instability, as an inherent nonlinear problem, continues to become an increasingly important and interesting topic in the design of electrostatic Nano/Micro-electromechanical systems (N/MEMS) devices. Generally, the pull-in instability was studied in a continuous space, but when the electronic devices work in a porous medium, they need to be analyzed in a fractal partner. In this paper, we establish a fractal model for N/MEMS, and find a pull-in stability plateau, which can be controlled by the porous structure, and the pull-in instability can be finally converted to a stable condition. As a result, the pull-in instability can be completely eliminated, realizing the transformation of pull-in instability into pull-in stability.

Keywords:

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