材料科学
拓扑优化
微观结构
复合材料
复合数
仿生学
制作
网络拓扑
拓扑(电路)
均质化(气候)
墨鱼
格子(音乐)
航空航天
有限元法
结构工程
计算机科学
纳米技术
工程类
声学
航空航天工程
病理
生物多样性
物理
电气工程
操作系统
替代医学
渔业
生物
医学
生态学
作者
Zhong Hu,Varun Kumar Gadipudi,David R. Salem
标识
DOI:10.1007/s10443-018-9680-6
摘要
Lattice structural composites are of great interest to various industries where lightweight multifunctionality is important, especially aerospace. However, strong coupling among the composition, microstructure, porous topology, and fabrication of such materials impedes conventional trial-and-error experimental development. In this work, a discontinuous carbon fiber reinforced polymer matrix composite was adopted for structural design. A reliable and robust design approach for developing lightweight multifunctional lattice structural composites was proposed, inspired by biomimetics and based on topology optimization. Three-dimensional periodic lattice blocks were initially designed, inspired by the cuttlefish bone microstructure. The topologies of the three-dimensional periodic blocks were further optimized by computer modeling, and the mechanical properties of the topology optimized lightweight lattice structures were characterized by computer modeling. The lattice structures with optimal performance were identified.
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