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MFC research paper focusing on finite element, carbon nanotube

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What they did

System
MFC

What worked

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Abstract

: Vibration suppression has been a problem needs to be overcome for large-scale flexible structures in the aerospace environment . High elastic modulus, low density advantages of carbon nanotube (CNT) and large actuation forces and flexibility of micro-fiber composite (MFC) make the CNT gradient-reinforced fiber piezoelectric smart structure particularly suitable for aerospace high drop temperature environment.Based on the first order shear deformation and large rotation theory with six parameters, the nonlinear finite element modeling and analysis of the carbon nanotube-reinforced gradient composite plate with MFCs is meaningful.The geometrically nonlinear finite element model is developed for two different kinds of MFC, namely MFC-d31 and MFC-d33.First, the accuracy of the model is validated by experiment results of a reinforcement direction, different control modes make a big difference in the torsion control of the plate and shell. The simulation analysis of piezoelectric smart thin-shell structure based on large rotation theory with six parameters has great application value for shape control and vibration suppression of large flexible components in the aerospace field.

Keywords

Composite numberCarbon nanotubeComposite materialNonlinear systemStructural engineering

Identifiers

DOI
10.3901/jme.2020.16.044
Journal
Journal of Mechanical Engineering
Year
2020