DOI QR코드

DOI QR Code

Nonlinear forced vibration of sandwich plate with considering FG core and CNTs reinforced nano-composite face sheets

  • Rostami, Rasoul (Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan) ;
  • Rahaghi, Mohsen Irani (Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan) ;
  • Mohammadimehr, Mehdi (Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan)
  • 투고 : 2019.04.13
  • 심사 : 2020.07.21
  • 발행 : 2020.08.25

초록

Nonlinear vibration of sandwich plate with functionally graded material (FGM) core and carbon nano tubes reinforced (CNTs) nano-composite layers by considering temperature-dependent material properties are studied in this paper. Base on Classical plate theory (CPT), the governing partial differential equations of motion for sandwich plate are derived using Hamilton principle. The Galerkin procedure and multiple scales perturbation method are used to find relation between nonlinear frequency and amplitude of vibration response. The dynamic responses of the sandwich plate are also investigated in both time and frequency domains. Then, the effects of nonlinearity, excitation, power law index of FG core, volume fraction of carbon nanotube, the function of material variations of FG core, temperature changes, scale transformation parameter and damping factor on the frequency responses are investigated.

키워드

과제정보

The research described in this paper was financially supported by the Natural Science Foundation.

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피인용 문헌

  1. Buckling analysis of functionally graded plates using HSDT in conjunction with the stress function method vol.27, pp.1, 2020, https://doi.org/10.12989/cac.2021.27.1.073
  2. Free Vibration Analysis of Cylindrical Micro/Nano-Shell Reinforced with CNTRC Patches vol.13, pp.4, 2020, https://doi.org/10.1142/s175882512150040x