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Paper Abstract and Keywords
Presentation 2015-01-29 09:25
Elastic FDTD Method Considering Viscous Effect for Compact Acoustic Systems
Tatsuya Tanada, Masahiro Toyoda, Yoshinobu Kajikawa (Kansai Univ.) EA2014-62
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a finite difference time
domain (FDTD) method considering the elastic wave to analyze
the compact acoustic systems (earphones and mobilephones).
FDTD method is a numerical analysis technique used
for modeling computational electrodynamics.
Recently, it has been used on acoustic wave analysis.
Acoustic FDTD analysis has been introduced for analyzing compact acoustic systems
because equivalent circuit analysis for designing general acoustic
systems cannot be utilized for compact acoustic systems.
However, the sensitivity of a measured response around the resonance frequency differs
from the analysis result because the common FDTD analysis does not employ the viscous effect.
We therefore examine the effectiveness of an FDTD analysis considering viscous effect through some simulation results.
Keyword (in Japanese) (See Japanese page) 
(in English) Compact acoustic systems / FDTD method / Elastic wave / Air viscosity / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 423, EA2014-62, pp. 17-20, Jan. 2015.
Paper # EA2014-62 
Date of Issue 2015-01-21 (EA) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EA2014-62

Conference Information
Committee US EA  
Conference Date 2015-01-28 - 2015-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Doshisha Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics，and Related Topics 
Paper Information
Registration To EA 
Conference Code 2015-01-US-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Elastic FDTD Method Considering Viscous Effect for Compact Acoustic Systems 
Sub Title (in English)  
Keyword(1) Compact acoustic systems  
Keyword(2) FDTD method  
Keyword(3) Elastic wave  
Keyword(4) Air viscosity  
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1st Author's Name Tatsuya Tanada  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Masahiro Toyoda  
2nd Author's Affiliation Kansai University (Kansai Univ.)
3rd Author's Name Yoshinobu Kajikawa  
3rd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2015-01-29 09:25:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2014-62 
Volume (vol) vol.114 
Number (no) no.423 
Page pp.17-20 
#Pages 4 
Date of Issue 2015-01-21 (EA) 

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