混合拓细胞蜂巢结构的机械性能的生物灵感设计
Yingqiu Sun1, Fan Guo1, Yangyang Liu2,3
1School of Electrical Engineering, Chuzhou Polytechnic, Chuzhou 239000, China.
Biomimetics (Basel, Switzerland)
|August 27, 2025
概括
这项研究引入了一种新的混合拓细胞蜂结构 (HTCHS),使用化沉积模型制造. 优化技术提高其机械性能,用于先进的冲击保护和轻量化应用.
科学领域:
- 材料科学
- 机械工程
- 计算力学
背景情况:
- 蜂结构为冲击保护和轻量承载应用提供了出色的机械性能.
- 生物承载系统激发了先进的结构设计.
- 混合拓细胞蜂结构 (HTCHS) 整合了多种细胞拓.
研究的目的:
- 使用PETG引入和制造一种新的HTCHS.
- 使用LS-DYNA开发和验证HTCHS的有限元模型.
- 调查拓电池参数对压力能量吸收和压力峰值的影响.
主要方法:
- 使用FDM与PETG制造HTCHS样品
- 为HTCHS开发一个验证的LS-DYNA有限元模型.
- 参数建模用于研究细胞参数 (T1-T4) 对机械性能的影响.
- 优化HTCHS使用离散设计框架与细胞编码和MOPSO算法.
主要成果:
- 有限元模型准确地预测HTCHS的行为,通过实验数据验证.
- 机械性能对不同位置的细胞参数敏感;单调增加不能保证更好的能量吸收.
- 非周期性设计和优化的局部参数显著提高机械性能.
结论:
- 该研究提出了一种有效的方法来制造和优化具有可调节机械性能的HTCHS.
- 开发的优化框架为设计下一代细胞蜂结构提供了途径.
- HTCHS展示了需要量身定制的抗冲击和轻量级特征的高级应用的潜力.
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