The 3D Attenuation Calculation of Traffic Noise among Building Groups by Using Beam Tracing Method

被引：3

作者：

Wang, Hai-bo ^{[1
]}

Yu, Zhi ^{[1
]}

Cai, Ming ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Engn, Guangdong Prov Key Lab Intelligent Transportat Sy, Guangzhou 510275, Guangdong, Peoples R China

来源：

INTELLIGENT AND INTEGRATED SUSTAINABLE MULTIMODAL TRANSPORTATION SYSTEMS PROCEEDINGS FROM THE 13TH COTA INTERNATIONAL CONFERENCE OF TRANSPORTATION PROFESSIONALS (CICTP2013) | 2013年 / 96卷

关键词：

traffic noise attenuation calculation; tetrahedron subdivision; beam tracing; 3D building groups;

D O I：

10.1016/j.sbspro.2013.08.218

中图分类号：

U [交通运输];

学科分类号：

08 ; 0823 ;

摘要：

This study attempts to present a method for traffic noise attenuation calculation around buildings, which uses beam tracing method based on tetrahedron subdivision. Firstly, spatial structure which includes building and road cells were gained by tetrahedron subdivision. Then the generated tetrahedron split structures are used in a fast acoustic beam tracking and path generation. After that, the road noise attenuation model in the 3D buildings was gained with a totally consideration of both noise emission model and noise propagation model. Ultimately, an example was given and the method was proved to be accurate and feasible. (C) 2013 The Authors. Published by Elsevier Ltd.

引用

页码：1929 / 1937

页数：9

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