DOI QR코드

DOI QR Code

Vibration analysis of FG reinforced porous nanobeams using two variables trigonometric shear deformation theory

  • Messai, Abderraouf (Department of Civil Engineering, University Ferhat Abbas SETIF 1) ;
  • Fortas, Lahcene (MN2I2S Laboratory, Faculty of Science and Technology, Biskra University) ;
  • Merzouki, Tarek (LISV, University of Versailles Saint-Quentin) ;
  • Houari, Mohammed Sid Ahmed (Laboratoire d'Etude des Structures et de Mecanique des Materiaux, University Mustapha Stambouli of Mascara)
  • 투고 : 2021.04.28
  • 심사 : 2021.11.16
  • 발행 : 2022.02.25

초록

A finite element method analysis framework is introduced for the free vibration analyses of functionally graded porous beam structures by employing two variables trigonometric shear deformation theory. Both Young's modulus and material density of the FGP beam element are simultaneously considered as grading through the thickness of the beam. The finite element approach is developed using a nonlocal strain gradient theory. The governing equations derived here are solved introducing a 3-nodes beam element. A comprehensive parametric study is carried out, with a particular focus on the effects of various structural parameters such as the dispersion patterns of GPL reinforcements and porosity, thickness ratio, boundary conditions, nonlocal scale parameter and strain gradient parameters. The results indicate that porosity distribution and GPL pattern have significant effects on the response of the nanocomposite beams.

키워드

참고문헌

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