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| Comparative Study of Viscoelastic Damping Layer and Dynamic Vibration Absorption Technology |
| Received:July 31, 2020 Revised:August 12, 2020 |
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| DOI：10.7643/issn.1672-9242.2021.02.016 |
| KeyWord:structural vibration finite element damping layer dynamic vibration absorber |
| Author | Institution |
| GUO Tong |
Aircraft Strength Research Institute of China, Xi’an , China |
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| Abstract: |
| In order to achieve effective control of structure vibration, based on the requirements of vibration control, a typical nine grid thin plate in engineering is selected as the controlled object in this paper, and the reasonable installation position is selected. The vibration suppression efficiency of additional viscoelastic damping layer and dynamic vibration absorber (DVA) is compared through finite element simulation. The maximum reduction ratio of the additional dynamic absorber is 69.2% compared with the additional damping layer. The results showed that using dynamic vibration absorber with the optimal design parameters has a better vibration suppression performance in resonance frequency, while using viscoelastic damping layer has a wider vibration suppression range, covering high, medium and low frequency. |
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