Impedance of infinite Kirchhoff and Mindlin plates with a rigid circular massless plug

被引：2
|
作者：
Zapfe, Jeffrey A. [1 ]
Moore, James A. [1 ]
机构：
[1] Acentech Inc, Noise & Vibrat Grp, Cambridge, MA 02138 USA
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2012年 / 131卷 / 05期
关键词：
acoustic impedance; acoustic wave propagation; acoustic wave transmission; architectural acoustics; floors; plates (structures); vibrations;
D O I：
10.1121/1.3701875
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Point force impedance expressions have been previously developed for infinite Kirchhoff and Mindlin plates. The present work develops impedance expressions for the more general case of an infinite plate with a circular, massless, rigid plug using both Kirchhoff and Mindlin plate theories. The models have been developed to analyze vibration propagation in buildings. The plate with the rigid plug provides a more reasonable model of the kinematic constraint at the column/floor interface. The models are used to investigate the potential benefits of using thick floors to block the transmission of structure-borne vibration in buildings. (C) 2012 Acoustical Society of America. [http://dx.doi.org/10.1121/1.3701875]
引用
收藏
页码：3824 / 3832
页数：9
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