Abstract
This study proposes a novel structure through bionic design, exhibiting a negative Poisson’s ratio, high stability, and energy absorption properties. The structural responses of both the conventional and novel honeycombs under dynamic impacts are obtained through simulation, characterizing their deformation modes and mechanical properties. The results show that the novel structure exhibits almost no localized densification, significantly reduced stress fluctuation, and a notable reduction in peak stress, differing significantly from the conventional structure. Furthermore, considering the NPR effect at medium and high speeds, the platform stress solution is derived, confirming the high stability of the novel honeycomb structure.
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