Current position: Home >> Scientific Research >> Paper Publications

加框板中频振动的等效阻抗灵敏度和响应变异性分析

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2010-04-15

Journal: 船舶力学

Included Journals: Scopus、ISTIC、PKU、EI

Volume: 14

Issue: 4

Page Number: 416-420

ISSN: 1007-7294

Key Words: 中频振动;等效阻抗;灵敏度;响应变异性

Abstract: 等效阻抗是中频振动杂交方法中的关键问题.文中以加框板为例对中频振动分析中等效阻抗的灵敏度和等效阻抗的不确定性所引起的响应变异性进行了理论分析和数值计算.计算结果表明:板的振动模态和静定模态对等效阻抗的影响较大,等效阻抗的不确定性对板均方速度的影响较小.

Prev One:Identification of complex sound source by the phase conjugation method

Next One:考虑流体加载效应的板结构声辐射损耗因子和辐射效率的计算分析