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<p>Hierarchical honeycomb acoustic metamaterias (AMMs) were taken as the object in this paper, a evaluation system was proposed to satisfy the requirements for multi-objective characteristics. By combining the NSGA-II method with an improved minimum-distance selection method, the structural parameters were optimized. The effectiveness of the multi-objective optimization (MOOP) method was verified based on the mechanical and BG performances using both experiments and the finite element method. The results demonstrate that the proposed multi-objective evaluation and optimization method can effectively optimize hierarchical honeycomb AMMs, which provided a technical support for the application of AMMs in industrial vibration isolation.</p>

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Multi-objective optimization of hierarchical honeycomb acoustic metamaterials for mechanical and bandgap properties

  • 期刊论文

  • 发表日期：

    2026年3月23日

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  • Pei Sun,
  • Hui Guo,
  • Zhengdong Zhang,
  • Ningning Liu,
  • Shuang Huang,
  • Jieli Wang,
  • Shuai Zhang,
  • Lifeng Ma,
  • Yansong Wang

摘要

Hierarchical honeycomb acoustic metamaterias (AMMs) were taken as the object in this paper, a evaluation system was proposed to satisfy the requirements for multi-objective characteristics. By combining the NSGA-II method with an improved minimum-distance selection method, the structural parameters were optimized. The effectiveness of the multi-objective optimization (MOOP) method was verified based on the mechanical and BG performances using both experiments and the finite element method. The results demonstrate that the proposed multi-objective evaluation and optimization method can effectively optimize hierarchical honeycomb AMMs, which provided a technical support for the application of AMMs in industrial vibration isolation.