Steel and Composite Structures

  • 제43권1호
  • /
  • Pages.91-106
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  • 2022
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Three-dimensional vibration analysis of 3D graphene foam curved panels on elastic foundations

  • Zhao, Li-Cai (Department of Civil and Construction Engineering, National Taiwan University of Science and Technology) ;
  • Chen, Shi-Shuenn (Department of Civil and Construction Engineering, National Taiwan University of Science and Technology) ;
  • Khajehzadeh, Mohammad (Department of Civil Engineering, Anar Branch, Islamic Azad University) ;
  • Yousif, Mariwan Araz (Department of Architectural Engineering, Cihan University-Erbil) ;
  • Tahouneh, Vahid (Young Researchers and Elite Club, Islamshahr Branch, Islamic Azad University)
  • 투고 : 2020.03.27
  • 심사 : 2022.04.06
  • 발행 : 2022.04.10
⟨ 이전 논문 다음 논문 ⟩

초록

This paper has focused on presenting a three dimensional theory of elasticity for free vibration of 3D-graphene foam reinforced polymer matrix composites (GrF-PMC) cylindrical panels resting on two-parameter elastic foundations. The elastic foundation is considered as a Pasternak model with adding a Shear layer to the Winkler model. The porous graphene foams possessing 3D scaffold structures have been introduced into polymers for enhancing the overall stiffness of the composite structure. Also, 3D graphene foams can distribute uniformly or non-uniformly in the shell thickness direction. The effective Young's modulus, mass density and Poisson's ratio are predicted by the rule of mixture. Three complicated equations of motion for the panel under consideration are semi-analytically solved by using 2-D differential quadrature method. The fast rate of convergence and accuracy of the method are investigated through the different solved examples. Because of using two-dimensional generalized differential quadrature method, the present approach makes possible vibration analysis of cylindrical panels with two opposite axial edges simply supported and arbitrary boundary at the curved edges. It is explicated that 3D-GrF skeleton type and weight fraction can significantly affect the vibrational characteristics of GrF-PMC panel resting on two-parameter elastic foundations.

키워드

과제정보

Foundation item; China's Liaoning Province "Xing Liao Talents Plan" Youth Top-notch Talent Funding Project (No. XLYC2007146).

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