箱装体局域共振超材料封板抑振特性研究

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (4) : 118-125.

振动理论与交叉研究

箱装体局域共振超材料封板抑振特性研究

王帅*1,2，马炳杰1,2,3，童宗鹏1,2,3，殷长春1,3，张丽1

作者信息 +

Vibration suppression performance of case module metamaterial sealing plate

WANG Shuai*1,2，MA Bingjie1,2,3，TONG Zongpeng1,2,3，YIN Changchun1,3，ZHANG Li1

Author information +

文章历史 +

摘要

为有效解决箱装体200Hz以下低频振动控制难题，提升箱装体底架的抑振性能，本文以箱装体底架封板为研究对象，建立了箱装体底架有限元模型，分析了底架振动特性。在此基础上，采用布洛赫定理与平面波展开法建立了局域共振胞元理论模型，提出了局域共振超材料封板设计方法，计算了箱装体底架封板振动响应，评估了局域共振型箱装体底架振动抑制性能，实现了200Hz以下频段内窄带振动的有效控制。箱装体局域共振超材料封板设计方法的提出丰富了箱装体底架振动控制技术，为后续局域共振超材料技术在船舶振动控制工程应用提供了参考。

Abstract

In order to effectively suppress structural vibration below 200Hz, the finite element model of the gas turbine module bottom frame was built. The vibration characteristics of the bottom frame were analyzed. Based on Bloch's theorem and plane wave expansion method, the local resonance cell theory model was established. A design method of the local resonance sealing plate was proposed. The vibration response of the sealing plate on the gas turbine module was calculated. The vibration suppression performance of the local resonance bottom frame on the module was evaluated. Results show that the local resonance metamaterial technique can effectively attenuate the narrow-band vibration below 200Hz. The design method of the local resonance metamaterial sealing plate proposed in this paper can provide a new feasible means of achieving low frequency vibration control. Furthermore, the results provide a reference for ship vibration suppression.

导出引用

王帅1, 2, 马炳杰1, 2, 3, 童宗鹏1, 2, 3, 殷长春1, 3, 张丽1. 箱装体局域共振超材料封板抑振特性研究[J]. 振动与冲击, 2025, 44(4): 118-125

WANG Shuai1, 2, MA Bingjie1, 2, 3, TONG Zongpeng1, 2, 3, YIN Changchun1, 3, ZHANG Li1. Vibration suppression performance of case module metamaterial sealing plate[J]. Journal of Vibration and Shock, 2025, 44(4): 118-125

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