Abstract
Spider's webs are elegant examples of natural composites that can absorb out-of-plane impact energy to capture prey. Different spiders have different methods and structure of webs, and these variations in topologies have a significant effect on the prey catching abilities of the web. Taking inspiration from the spiders, metamaterials that have architectured topology can be fabricated according to end applications such as energy absorbers or impact tolerant materials. In this investigation, we theoretically examined impact loading on various orb-spider webs modeled with metamaterial architecture using materials that show size-dependent behavior. Using the size-dependent properties of nano-reinforced polymer-derived ceramics (PDCs), various metamaterial topologies were evaluated for out-of-plane impact due using ANSYS Ls-Dyna. The material properties capture the size dependency of the ceramics where smaller elements have higher strength due to reduced flaw intensity; the mechanical strength of these elements does not follow the conventional Griffith Theory. In this study, spider web geometries fabricated with PDCs with varying size elements were examined.
Original language | English |
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Title of host publication | 36th Technical Conference of the American Society for Composites 2021 |
Subtitle of host publication | Composites Ingenuity Taking on Challenges in Environment-Energy-Economy, ASC 2021 |
Editors | Ozden Ochoa |
Publisher | Destech publications |
Pages | 91-100 |
Volume | 1 |
ISBN (Electronic) | 9781713837596 |
DOIs | |
Publication status | Published - 2021 |
Event | 36th Technical Conference of the American Society for Composites 2021: Composites Ingenuity Taking on Challenges in Environment-Energy-Economy, ASC 2021 - College Station, Virtual, United States Duration: 20 Sep 2021 → 22 Sep 2021 |
Conference
Conference | 36th Technical Conference of the American Society for Composites 2021: Composites Ingenuity Taking on Challenges in Environment-Energy-Economy, ASC 2021 |
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Country/Territory | United States |
City | College Station, Virtual |
Period | 20/09/21 → 22/09/21 |