Structural-Acoustic Coupling Analysis of Rectangular Panel Backed by a Rectangular Cavity

彭彬彬; 黄协清; 吴成军

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Structural-Acoustic Coupling Analysis of Rectangular Panel Backed by a Rectangular Cavity

更新时间：2026-09-14

- Structural-Acoustic Coupling Analysis of Rectangular Panel Backed by a Rectangular Cavity
- 基于背腔的矩形板的声振耦合分析
- Issue 5, Pages: 407-411(2007)
- 作者机构：
  
  西安交通大学机械工程学院振动与噪声控制研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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彭彬彬, 黄协清, 吴成军. Structural-Acoustic Coupling Analysis of Rectangular Panel Backed by a Rectangular Cavity[J]. 2007, (5): 407-411.
DOI：

彭彬彬, 黄协清, 吴成军. Structural-Acoustic Coupling Analysis of Rectangular Panel Backed by a Rectangular Cavity[J]. 2007, (5): 407-411. DOI：

摘要

运用模态综合方法

推导了基于封闭矩形腔体的弹性板的自由振动解;利用数值方法

验证了理论模型的正确性;分析了影响耦合板腔耦合系统的关键结构参数

弹性板的厚度和腔体的深度对板振动的影响.数值计算表明:弹性板的厚度和腔体的深度两参数的增加都能够有效降低系统的耦合程度

在板腔系统的强耦合区

腔体的深度比板厚度对耦合频率的影响较大

在弱耦合区域

两者的影响趋于相同.

Abstract

Modal synthesis approach is presented to deduce a theoretical solution for the free vibration of flexible panel backed by a closed rectangular cavity.The numerical method validates the validity of theoretical mode.Key parameters

the depth of cavity and thick of panel

are the crucial structural parameters influencing the structural-acoustic analysis of rectangular panel.It is concluded that the coupling degree is reduced along with the increasing of panel thick and the cavity depth.In the strong coupling region

the coupling frequency is depended much on cavity depth than the panel thick does.In the weak coupling region

the influence of panel thick and cavity depth are inclined to identical.

关键词

Keywords

references

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