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- W4285992173 abstract "Due to the excellent energy absorption performance of re-entrant hexagonal honeycomb (RHH) with negative Poisson’s ratio (NPR) property, an improved Diabolo shaped honeycomb (DSH) based on RHH is proposed in this paper. With the application of bionic principle, three DSHs with adding ribs are further extended in design. A comparative analysis between RHH and DSHs under axial compression is performed by the finite element calculation software ABAQUS/ EXPLICIT, and subsequently the energy absorption performance and energy absorption stability of DSHs under oblique compression are investigated. The relationship between the cell wall thickness of the honeycomb with the best energy absorption effect in DSHs and the compression crashworthiness criteria is also predicted. The results show that the plateau stress and specific energy absorption of DSHs under axial compression are better than those of RHHs, and the energy absorption capacity of RHH is improved by a novel design. In addition, the energy absorption capacity and stability of the honeycomb under oblique compression are influenced by the number position of the ribs and the cell wall thickness. Therefore, the improved design of NPR metamaterials with oblique compression can provide a reference for the practical application of honeycombs with good energy absorption capacity and stability." @default.
- W4285992173 created "2022-07-21" @default.
- W4285992173 creator A5021418511 @default.
- W4285992173 creator A5059246379 @default.
- W4285992173 date "2022-09-01" @default.
- W4285992173 modified "2023-10-17" @default.
- W4285992173 title "Energy absorption characteristics and stability of novel bionic negative Poisson’s ratio honeycomb under oblique compression" @default.
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- W4285992173 doi "https://doi.org/10.1016/j.engstruct.2022.114682" @default.
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