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Structural Engineering and Mechanics Volume 85, Number 6, March25 2023 , pages 709-116 DOI: https://doi.org/10.12989/sem.2023.85.6.709 |
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Stability and vibration behavior of cellular plates with different cell arrays using a numerical approach |
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Chuan-Xiong Li
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| Abstract | ||
| In this paper, the shape factors of cellular meta-material plates (MMPs) having diverse cell arrays have been determined as the first attempt to finally examine their stability and vibrational frequencies. The MMPs are actually constructed from cylindrical or cubic cellular cores and two face sheets. Sandwich-like MMPs with circular and square holes in the face sheets have been selected in such a way that the effective material properties depend on the cellular architectures. For verifying the frequency results, finite element (FE) simulations are done in Abaqus software. Several graphical results have been represented to explore the effects of cellular architectures on vibrational frequencies and dynamic responses of the MMPs. Also, the deflection-frequency and stability curves in the case of forced vibrations have been plotted for diverse cell arrays. | ||
| Key Words | ||
| finite element method; meta-material; natural frequency; numerical simulation; sandwich plate; stability | ||
| Address | ||
| Chuan-Xiong Li: College of Civil Construction and Environment, Hubei University of Technology, Wuhan 430068, China | ||