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Supervised by Ministry of Industry and Information Technology of The People''s Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Static and Dynamic Analyses of Composite Beam Bonded with MFC Actuator
Ke Wu,Houfei Fang,Lan Lan
Shanghai YS Information Technology Co., Ltd., Shanghai 200240, China
Abstract:
Investigated by this study is an MFC actuator attached to the surface of a Carbon Fiber Reinforced Polymer (CFRP) composite beam to form a beam-actuator system. Analytically capturing the characteristics of such system is essential. A novel analytical methodology considering the transverse shear strain and active stiffening effect is proposed, which was newly applied to analyze the static and dynamic behaviors of the beam-actuator system. The governing equations of the beam-actuator system were obtained via generalized Hamilton’s principle. A distributed transfer function formulation was developed. Then, the closed form solution was derived by using the Green’s function. Frequency response, natural frequencies, and modal shapes of the beam-actuator system were obtained. The solution is analytical without using any truncated series or admissible functions at any arbitrary boundary conditions. Finite Element Method (FEM) results were also obtained to compare with that of the proposed method. The predictions of the analyses were verified experimentally, which shows the correctness and effectiveness of the proposed method.
Key words:  Macro Fiber Composites (MFC), Carbon Fiber Reinforced Polymer (CFRP), Distributed Transfer Function Formulation, Green’s function
DOI:10.11916/j.issn.1005-9113.18111
Clc Number:O39
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