Out-of-plane impact analysis for a bioinspired sinusoidal honeycomb

The special energy-absorbing structure of beak protects the head of woodpecker from being hurt when pecking tree. Inspired by the micro wavy structure of the woodpecker beak, a novel bionic sinusoidal honeycomb is proposed and its crashworthiness performance is analyzed. Results show that the bionic sinusoidal honeycomb produces more folds than the conventional honeycomb under the same mass conditions, which greatly improves the energy...