Steel and Composite Structures

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Flexoelectric effect on buckling and vibration behaviors of piezoelectric nano-plates using a new deformation plate theory

  • Bui Van Tuyen (Faculty of Mechanical Engineering, Thuyloi University) ;
  • Du Dinh Nguyen (Faculty of Civil Engineering, Lac Hong University) ;
  • Abdelouahed Tounsi (Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals)
  • Received : 2020.12.22
  • Accepted : 2023.08.01
  • Published : 2023.09.25
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Abstract

This paper uses a new type of deformation theory to establish the free vibration and static buckling equations of nanoplates resting on two-parameter elastic foundations, in which the flexoelectric effect is taken into account. The proposed approach used in this work is not only simpler than other higher-order shear deformation theories but also does not need any shear correction coefficients to describe exactly the mechanical responses of structures. The reliability of the theory is verified by comparing the numerical results of this work with those of analytical solutions. The results show that the flexoelectric effect significantly changes the natural frequency and the critical buckling load of the nanoplate compared with the case of neglecting this effect, especially when the plate thickness changes and with some different boundary conditions. These are new results that have not been mentioned in any publications but are meaningful in engineering practice.

Keywords

References

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