Coupled FEM/BEM for control of noise radiation and sound transmission using piezoelectric shunt damping

被引：24
|
作者：
Larbi, W. [1 ]
Deue, J. -F. [1 ]
Ohayon, R. [1 ]
Sampaio, R. [2 ]
机构：
[1] Conservatoire Natl Arts & Metiers, Struct Mech & Coupled Syst Lab, Chair Mech, F-75003 Paris, France
[2] Pontificia Univ Catolica Rio de Janeiro, Dept Mech Engn, BR-22453900 Rio de Janeiro, RJ, Brazil
来源：
APPLIED ACOUSTICS | 2014年 / 86卷
关键词：
Finite element method; Boundary element method; Vibroacoustic; Piezoelectric patches; Shunt damping technique; Noise and vibration attenuation; FLUID-STRUCTURE INTERACTION; COMPOSITE PLATES; VIBRATION; FORMULATION; NETWORKS; ELEMENTS; MODELS; SYSTEM;
D O I：
10.1016/j.apacoust.2014.02.003
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, we present a coupled finite element/boundary element method (FEM/BEM) for control of noise radiation and sound transmission of vibrating structure by passive piezoelectric techniques. The system consists of an elastic structure (with surface mounted piezoelectric patches) coupled to external/internal acoustic domains. The passive shunt damping strategy is employed for vibration attenuation in the low frequency range. The originality of the present paper lies in evaluating the classically used FEM/BEM methods for structural-acoustics problems when taking account smart systems at the fluid-structure interfaces. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：146 / 153
页数：8
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