Abstract
The multi-layer armor shell structure of the scaly-foot snail has been proven to be resistant to penetration and perforation. Inspired by the special structure, a novel ceramic-composite impact-resistant structure was proposed. We developed a user-defined subroutine (VUMAT) of the finite element software ABQUS to analyze the progressive damage process and energy dissipation mechanism under impact. It is found that the novel structure features rigid-flexible coupling, both soft and hard layers play a key role in the impact resistance process. Compared with the traditional sandwich structure, the novel structure has better impact resistance under the impact energy of 20 J–80 J.
| Original language | English |
|---|---|
| Pages (from-to) | 7420-7433 |
| Number of pages | 14 |
| Journal | Mechanics of Advanced Materials and Structures |
| Volume | 31 |
| Issue number | 25 |
| DOIs | |
| Publication status | Published - 2024 |
Keywords
- Biomimetic
- energy dissipation
- finite element simulation
- impact resistance
- multi-layer structure
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