适应性三明治板的拓优化,具有磁铁神经核心层,以改善振动减弱
Maryam Zare1, Ramin Sedaghati1
1Department of Mechanical, Industrial and Aerospace Engineering, Concordia University, Montreal, QC, Canada.
概括
这项研究优化了适应性三明治板中的磁铁质弹性体 (MRE) 层拓,以增强振动控制. 开发的方法有效地减少了广泛的频率范围内的振动.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 控制振动,控制振动.
背景情况:
- 适应性三明治板采用磁修复性弹性体 (MRE) 层来减轻振动.
- 优化MRE层的拓对于提高其振动控制性能至关重要.
研究的目的:
- 为了研究MRE层在适应性三明治板中的最佳拓分布.
- 开发一个设计优化方法来增强宽带频率振动控制.
主要方法:
- 制定一个有限元模型来导出运动方程.
- 使用动态合规性和密度作为目标和设计变量开发设计优化方法.
- 将SIMP方法扩展到MREP模型,并使用MMA解决器.
主要成果:
- 使用基准问题验证有限元模型和优化方法.
- 对各种边界和负载条件有效识别最佳的MRE层拓.
- 在基于MRE的三明治面板中展示了显著的振动减轻效果.
结论:
- 建议的设计优化方法对于基于MRE的三明治板的拓优化是有效的.
- 这种方法成功地提高了在广泛的频率范围内对振动的控制.
- 这项研究为设计先进的适应性结构提供了强大的框架.
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