Application of the transmission line matrix method for outdoor sound propagation modelling - Part 1: Model presentation and evaluation

被引：14

作者：

Guillaume, Gwenael ^{[1
]}

Aumond, Pierre ^{[1
]}

Gauvreau, Benoit ^{[1
]}

Dutilleux, Guillaume ^{[2
]}

机构：

[1] Inst Francais Sci & Technol Transports Amenagemen, Dept Infrastruct & Mobilite, F-44344 Bouguenais, France

[2] Lab Reg Ponts & Chaussees Strasbourg, ERA 32, F-67035 Strasbourg 2, France

来源：

APPLIED ACOUSTICS | 2014年 / 76卷

关键词：

Time-domain methods; Transmission line matrix model; Meteorological effects; Outdoor sound propagation; WAVE PROPAGATION; SIMULATION;

D O I：

10.1016/j.apacoust.2013.07.011

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The present paper deals with an original time-domain approach applied to outdoor sound propagation under meteorological effects. The transmission line matrix method, based on the Huygens' principle, had already been validated over impedant grounds and complex topography. The presented formulation proposes to take into account meteorological effects (wind speed and temperature) through the relative sound speed. The necessary wavefront direction is determined through the calculation of the averaged intensity vector direction. A good agreement is found between simulations of both the transmission line matrix and parabolic equation methods. A relevant use of the method is shown in the framework of environmental acoustics and initial applications are proposed in Part 2. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：113 / 118

页数：6

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