Study on Micro-vibration Suppression of Viscoelastic Damped Boundary Structure Plate

盛骞; 李昊; 潘殿坤; 伍章明

doi:10.13433/j.cnki.1003-8728.20230183

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Study on Micro-vibration Suppression of Viscoelastic Damped Boundary Structure Plate

更新时间：2026-07-10

- Study on Micro-vibration Suppression of Viscoelastic Damped Boundary Structure Plate
- Mechanical Science and Technology for Aerospace Engineering Vol. 43, Issue 12, Pages: 2048-2055(2024)
- 作者机构：
  
  1. 冲击与安全工程教育部重点实验室,浙江,宁波,315211
  2. 上海卫星工程研究所,上海,200000
- 作者简介：
- 基金信息：
- DOI：10.13433/j.cnki.1003-8728.20230183
  CLC：
- Published：2024
- 稿件说明：
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盛骞, 李昊, 潘殿坤, et al. Study on Micro-vibration Suppression of Viscoelastic Damped Boundary Structure Plate[J]. Mechanical Science and Technology for Aerospace Engineering, 2024, 43(12): 2048-2055.
DOI：

盛骞, 李昊, 潘殿坤, et al. Study on Micro-vibration Suppression of Viscoelastic Damped Boundary Structure Plate[J]. Mechanical Science and Technology for Aerospace Engineering, 2024, 43(12): 2048-2055. DOI： 10.13433/j.cnki.1003-8728.20230183.

摘要

为了解决微振动对卫星高精度仪器的影响，设计一种结合了粘弹性阻尼材料和超结构的隔振器，并将该隔振器与卫星结构板结合形成具有弹性边界的结构板。采用有限元方法探究隔振器的力学性能，建立弹性边界板的理论模型，对弹性边界板的固有频率和振型做预测，验证弹性边界结构板相比于固支边界结构板在满足实际工作强度需求下，能够对卫星微振动有更良好的抑制效果。相比于结构板固定的整星，具有弹性边界结构板所构成的整星可以降低90％的微振动传递效果。

Abstract

In order to solve the influence of micro-vibration on satellite high precision instrument

a vibration isolator with viscoelastic damping material and superstructure is designed

and the vibration isolator is combined with the satellite structure plate to form a structure plate with elastic boundary. The mechanical properties of vibration isolator were investigated with the finite element method. The theoretical model for elastic boundary plate is established and the natural frequency and mode shape of the elastic boundary plate are predicted. It is verified that the elastic boundary structure plate can suppress the satellite micro-vibration better than the fixed boundary structure plate under the actual working strength requirements. Comparing with the whole star with fixed structure plate

the whole star with elastic boundary structure plate can reduce the micro-vibration transmission effect by 90%.

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