Theoretical analysis of postbuckling behavior with experimental validation using electrothermal microbeams

Xing Chen; Liansheng Ma; Yingmei Zheng; Dong Weon Lee

doi:10.1063/1.3555441

Theoretical analysis of postbuckling behavior with experimental validation using electrothermal microbeams

Xing Chen, Liansheng Ma, Yingmei Zheng, Dong Weon Lee

School of Medicine

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

A comprehensive theoretical and experimental investigation of the postbuckling behavior of beams is presented. A nonlinear equation representing thermal postbuckling of beams is solved by deriving a closed-form solution. The proposed analytical method offers a simple yet efficient way to analyze the postbuckling behavior of microbeam structures. Measurements using electrothermal microbeams are performed to validate the theoretical model, and are shown to be superior to conventional measurement techniques. Excellent agreements between exact solutions and experimental results prove the validity of our theoretical analysis, and the potential for applying the proposed method to postbuckling behavior in the field of microelectromechanical systems.

Original language	English (US)
Article number	073107
Journal	Applied Physics Letters
Volume	98
Issue number	7
DOIs	https://doi.org/10.1063/1.3555441
State	Published - Feb 14 2011

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Theoretical analysis of postbuckling behavior with experimental validation using electrothermal microbeams",

abstract = "A comprehensive theoretical and experimental investigation of the postbuckling behavior of beams is presented. A nonlinear equation representing thermal postbuckling of beams is solved by deriving a closed-form solution. The proposed analytical method offers a simple yet efficient way to analyze the postbuckling behavior of microbeam structures. Measurements using electrothermal microbeams are performed to validate the theoretical model, and are shown to be superior to conventional measurement techniques. Excellent agreements between exact solutions and experimental results prove the validity of our theoretical analysis, and the potential for applying the proposed method to postbuckling behavior in the field of microelectromechanical systems.",

author = "Xing Chen and Liansheng Ma and Yingmei Zheng and Lee, {Dong Weon}",

note = "Funding Information: This work was supported by the Ministry of Knowledge Economy of the Korean government and by WCU Project (Grant No. R32-2009-000-20087-0), Republic of Korea. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.",

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AU - Chen, Xing

AU - Ma, Liansheng

AU - Zheng, Yingmei

AU - Lee, Dong Weon

N1 - Funding Information: This work was supported by the Ministry of Knowledge Economy of the Korean government and by WCU Project (Grant No. R32-2009-000-20087-0), Republic of Korea. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.

PY - 2011/2/14

Y1 - 2011/2/14

N2 - A comprehensive theoretical and experimental investigation of the postbuckling behavior of beams is presented. A nonlinear equation representing thermal postbuckling of beams is solved by deriving a closed-form solution. The proposed analytical method offers a simple yet efficient way to analyze the postbuckling behavior of microbeam structures. Measurements using electrothermal microbeams are performed to validate the theoretical model, and are shown to be superior to conventional measurement techniques. Excellent agreements between exact solutions and experimental results prove the validity of our theoretical analysis, and the potential for applying the proposed method to postbuckling behavior in the field of microelectromechanical systems.

AB - A comprehensive theoretical and experimental investigation of the postbuckling behavior of beams is presented. A nonlinear equation representing thermal postbuckling of beams is solved by deriving a closed-form solution. The proposed analytical method offers a simple yet efficient way to analyze the postbuckling behavior of microbeam structures. Measurements using electrothermal microbeams are performed to validate the theoretical model, and are shown to be superior to conventional measurement techniques. Excellent agreements between exact solutions and experimental results prove the validity of our theoretical analysis, and the potential for applying the proposed method to postbuckling behavior in the field of microelectromechanical systems.

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Theoretical analysis of postbuckling behavior with experimental validation using electrothermal microbeams

Abstract

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