Three-dimensional semi-analytical solutions for the transient response of functionally graded material cylindrical panels with various boundary conditions

Xu Liang, Yu Deng, Xue Jiang, Zeng Cao, Yongdu Ruan, Jianxing Leng, Titao Wang, Xing Zha

Research output: Contribution to journalArticle

Abstract

In this paper, a 3D semi-analytical method is proposed by introducing the Durbin's Laplace transform, as well as its numerical inversion method, state space approach and differential quadrature method to analyse the transient behaviour of functionally graded material cylindrical panels. Moreover, to investigate the effectiveness of the proposed semi-analytical solution, four boundary conditions are used to undertake the analyses. Comparing the proposed approach with other theoretical methods from the literatures, we see better agreements in the natural frequencies. Besides, the semi-analytical solution acquires nearly the same transient response as those obtained by ANSYS. Convergence studies indicate that the proposed method has a quick convergence rate with growing sample point numbers along the length direction, so do layer numbers increase along the radial direction. The effects of thickness/outer radius ratio, length/outer radius ratio and functionally graded indexes are also studied. When carbon nanotube is added to functionally graded material cylindrical panel, the composite structures have been reinforced greatly. The proposed 3D semi-analytical method has high accuracy for the analysis of composite structures. This study can serve as a foundation for solving more complicated environments such as fluid–structure interaction of flexible pipe or thermal effect analysis of functionally graded material in aerospace field.

LanguageEnglish
Pages1-22
Number of pages22
JournalJournal of Low Frequency Noise Vibration and Active Control
Early online date12 Jun 2019
DOIs
Publication statusE-pub ahead of print - 12 Jun 2019

Fingerprint

Functionally graded materials
composite structures
transient response
Transient analysis
Boundary conditions
boundary conditions
Composite structures
radii
quadratures
State space methods
temperature effects
resonant frequencies
Fluid structure interaction
carbon nanotubes
Laplace transforms
inversions
Thermal effects
fluids
Natural frequencies
Carbon nanotubes

Keywords

  • cylindrical panels
  • differential quadrature method
  • functionally graded material
  • numerical inversion of laplace transform
  • state space approach

Cite this

Liang, Xu ; Deng, Yu ; Jiang, Xue ; Cao, Zeng ; Ruan, Yongdu ; Leng, Jianxing ; Wang, Titao ; Zha, Xing. / Three-dimensional semi-analytical solutions for the transient response of functionally graded material cylindrical panels with various boundary conditions. 2019 ; pp. 1-22.
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abstract = "In this paper, a 3D semi-analytical method is proposed by introducing the Durbin's Laplace transform, as well as its numerical inversion method, state space approach and differential quadrature method to analyse the transient behaviour of functionally graded material cylindrical panels. Moreover, to investigate the effectiveness of the proposed semi-analytical solution, four boundary conditions are used to undertake the analyses. Comparing the proposed approach with other theoretical methods from the literatures, we see better agreements in the natural frequencies. Besides, the semi-analytical solution acquires nearly the same transient response as those obtained by ANSYS. Convergence studies indicate that the proposed method has a quick convergence rate with growing sample point numbers along the length direction, so do layer numbers increase along the radial direction. The effects of thickness/outer radius ratio, length/outer radius ratio and functionally graded indexes are also studied. When carbon nanotube is added to functionally graded material cylindrical panel, the composite structures have been reinforced greatly. The proposed 3D semi-analytical method has high accuracy for the analysis of composite structures. This study can serve as a foundation for solving more complicated environments such as fluid–structure interaction of flexible pipe or thermal effect analysis of functionally graded material in aerospace field.",
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Three-dimensional semi-analytical solutions for the transient response of functionally graded material cylindrical panels with various boundary conditions. / Liang, Xu; Deng, Yu; Jiang, Xue; Cao, Zeng; Ruan, Yongdu; Leng, Jianxing; Wang, Titao; Zha, Xing.

12.06.2019, p. 1-22.

Research output: Contribution to journalArticle

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