DOI QR코드

DOI QR Code

Three-dimensional modelling of functionally graded beams using Saint-Venant's beam theory

  • Khebizi, Mourad (Department of Civil Engineering, Mentouri University of Constantine) ;
  • Guenfoud, Hamza (Civil Engineering and Hydraulic Laboratory, University of Guelma) ;
  • Guenfoud, Mohamed (Civil Engineering and Hydraulic Laboratory, University of Guelma) ;
  • El Fatmi, Rached (University of Tunis El Manar, National Engineering School of Tunis)
  • 투고 : 2018.12.06
  • 심사 : 2019.06.02
  • 발행 : 2019.10.25

초록

In this paper, the mechanical behaviour of functionally graded material beams is studied using the 3D Saint-Venant's theory, in which the section is free to warp in and out of its plane (Poisson's effects and out-of-plane warpings). The material properties of the FGM beam are distributed continuously through the thickness by several distributions, such as power-law distribution, exponential distribution, Mori-Tanaka schema and sigmoid distribution. The proposed method has been applied to study a simply supported FGM beam. The numerical results obtained are compared to other models in the literature, which show a high performance of the 3D exact theory used to describe the stress and strain fields in FGM beams.

키워드

참고문헌

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