材料科学
带隙
谐振器
振动
宽带
宽禁带半导体
Crystal(编程语言)
合金
有限元法
光电子学
晶体结构
带宽(计算)
镁合金
声学超材料
声学
光学
复合材料
结构工程
物理
计算机科学
电信
结晶学
工程类
化学
程序设计语言
作者
Weirui Gao,Qian Zhang,Jie Sun,Kai Guo
摘要
This study proposes a novel approach to designing and fabricating a phononic crystal with embedded high-density resonators from 3D-printed magnesium alloy. The band structure and vibration suppression characteristics of the proposed structure are investigated using theoretical calculations and finite-element analysis. The bandgaps of the proposed phononic crystal are tuned using their superior structural design by changing the resonators. The effects of resonator mass on vibration suppression performance are also studied. The bandgap position and bandwidth are adjusted by changing the geometric parameters, broadening the application range. In addition, experiments are conducted to verify the bandgap accuracy. This study provides a new idea for constructing a 3D-printed magnesium alloy phononic crystal.
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