Steel and Composite Structures

  • 제44권5호
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  • Pages.685-690
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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

Equivalent material properties of perforated metamaterials based on relative density concept

  • Barati, Mohammad Reza (Department of Aerospace Engineering, Amirkabir University of Technology (Tehran Polytechnic)) ;
  • Shahverdi, Hossein (Department of Aerospace Engineering, Amirkabir University of Technology (Tehran Polytechnic))
  • 투고 : 2020.10.28
  • 심사 : 2021.05.21
  • 발행 : 2022.09.10
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, the equivalent material properties of cellular metamaterials with different types of perforations have been presented using finite element (FE) simulation of tensile test in Abaqus commercial software. To this end, a Representative Volume Element (RVE) has been considered for each type of cellular metamaterial with regular array of circular, square, oval and rectangular perforations. Furthermore, both straight and perpendicular patterns of oval and rectangular perforations have been studied. By applying Periodic Boundary conditions (PBC) on the RVE, the actual behavior of cellular material under uniaxial tension has been simulated. Finally, the effective Young's modulus, Poisson's ratio and mass density of various metamaterials have been presented as functions of relative density of the RVE

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참고문헌

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