Numerical Analysis of Self-Adaptive Vibration Suppression for Flexible Plate with Imbedded Fluid Subsystem

王建伟; 徐晖; 季聪; 徐立勤

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Numerical Analysis of Self-Adaptive Vibration Suppression for Flexible Plate with Imbedded Fluid Subsystem

更新时间：2025-12-08

- Numerical Analysis of Self-Adaptive Vibration Suppression for Flexible Plate with Imbedded Fluid Subsystem
- Vol. 42, Issue 5, Pages: 612-616(2008)
- 作者机构：
  
  西安交通大学强度与振动教育部重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： O328;O351.2
- Online First：10 May 2008，
  
  Published：2008
- 稿件说明：
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王建伟, 徐晖, 季聪, et al. Numerical Analysis of Self-Adaptive Vibration Suppression for Flexible Plate with Imbedded Fluid Subsystem[J]. 2008, 42(5): 612-616.
DOI：

王建伟, 徐晖, 季聪, et al. Numerical Analysis of Self-Adaptive Vibration Suppression for Flexible Plate with Imbedded Fluid Subsystem[J]. 2008, 42(5): 612-616. DOI：

摘要

基于内嵌流体自适应减振理论

对内嵌流体柔性板在一、二阶固有频率定频激励作用下的流体运动减振效果进行了数值研究.通过对内嵌流体柔性板的振动分析

将其转化为活动边界流体动力学模型.对不同模型进行仿真分析

揭示出封闭腔内流体运动的规律以及流体与板的力学相互作用特性

特别是流体运动的峰特征和自适应现象.提出了流体运动能耗量化准则

从能耗的角度阐明了内嵌流体单元运动减振的有效性以及自适应特性

并以此为标准对不同情况下的流体运动减振效果进行了评价.

Abstract

Based on the method of self-adaptive vibration suppression with interior inlay viscous fluid unit(IVFU)

the effect and mechanism of a flexible plate with imbedded fluid subsystem(PIFS)under specific steady sinusoidal excitations are investigated via numerical simulations. By analyzing the vibration of the flexible plate

a pure hydrokinetic model with dynamic boundary conditions simplified from the original liquid-solid coupling model is obtained. Several simplified models are evaluated numerically

and the results show the fluid movement rule in the closed cavity

and the characteristics of fluid-plate interaction

especially the peak and self-adaptive phenomena. In order to illustrate the inherent mechanism and effectiveness of vibration suppression due to the fluid movement from energy dissipation viewpoint

a quantitative criterion of energy dissipation is proposed

which serves as a standard to appraise effects of vibration suppression in different cases.

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references

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黄志祥,徐晖,徐立勤.具有内嵌黏性流体的欧拉梁自适应减振模式研究[J].西安交通大学学报,2006,40(9):1099-1103.

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