Experimental and computational validation of a scaled train tunnel model using modal analysis

作     者：Janice B.D'SOUZA Sangarapillai KANAPATHIPILLAI 

作者机构：School of Mechanical and Manufacturing EngineeringThe University of New South Wales 

出 版 物：《Frontiers of Mechanical Engineering》 (高等学校学术文摘·机械工程前沿(英文))

年 卷 期：2013年第8卷第4期

页      面：420-428页

核心收录：

学科分类：12[管理学] 081406[工学-桥梁与隧道工程] 08[工学] 083002[工学-环境工程] 1204[管理学-公共管理] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 120402[管理学-社会医学与卫生事业管理(可授管理学、医学学位)] 0837[工学-安全科学与工程] 0802[工学-机械工程] 0814[工学-土木工程] 0801[工学-力学（可授工学、理学学位）] 082301[工学-道路与铁道工程] 0823[工学-交通运输工程] 

主　　题：reverberation time acoustic environment modal properties resonances 

摘      要：Acoustic engineers are faced with the challenge of minimising reverberation time in their designs so as to contribute to the health and well-being of those traveling by train and those on the *** the problem is easy to identify,it is not as simple to *** acoustical environment of a train tunnel is complex,with a variety of noise contributing factors such as train announcements,speech of commuters,ventilation systems,electrical equipment and wheel and rail *** a result,there is some difficulty in modeling the complete acoustic environment with computational or acoustic first *** this study,an experimental rig was constructed to model the acoustic behavior within a *** modal properties for the 300 Hz to 1500 Hz range,including resonances and mode shapes were identified and were shown to successfully correspond to theoretical results and a computational model created in COMSOL using Finite Element Analysis.