A mobility based vibroacoustic energy transmission simulation into an enclosure through a double-wall panel

被引：4

作者：

Sahu, Atanu ^{[1
]}

Bhattacharya, Partha ^{[1
]}

Niyogi, Arup Guha ^{[1
]}

Rose, Michael ^{[2
]}

机构：

[1] Jadavpur Univ, Dept Civil Engn, 188 Raja SC Mallik Rd, Kolkata 700032, India

[2] German Aerosp Ctr DLR, Inst Composite Struct & Adapt Syst, Lilienthalpl 7, D-38108 Braunschweig, Germany

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2017年 / 141卷 / 06期

关键词：

SOUND-TRANSMISSION; RADIATION; CAVITY; PLATE;

D O I：

10.1121/1.4989729

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Double-wall panels are known for their superior sound insulation properties over single wall panels as a sound barrier. The sound transmission phenomenon through a double-wall structure is a complex process involving vibroacoustic interaction between structural panels, the air-cushion in between, and the secondary acoustic domain. It is in this context a versatile and a fully coupled technique based on the finite-element-boundary element model is developed that enables estimation of sound transfer through a double-wall panel into an adjacent enclosure while satisfying the displacement compatibility across the interface. The contribution of individual components in the transmitted energy is identified through numerical simulations. (C) 2017 Acoustical Society of America

引用

页码：EL598 / EL604

页数：7

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