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Paper Abstract and Keywords
Presentation 2011-04-28 13:25
Estimation of sound field formed by parametric array using numerical simulation -- Application to self-silenced sound beam --
Hideyuki Nomura (UEC), Claes M. Hedberg (BTH), Tomoo Kamakura (UEC) US2011-2
Abstract (in Japanese) (See Japanese page) 
(in English) This study proposes a numerical calculation method that simulates a nonlinear propagation of ultrasound beams, estimating the parametric sound field in the time domain. Basically, the method resorts to solving numerically and compactly the governing equations in a compressible viscous fluid. The simulation indicates a narrow sound beam which is a feature of the parametric array. Additionally, a self-silenced sound beam, which has a narrow truncated array length [C.M. Hedberg et al., Acoust. Phys. 56, 637--639 (2010)], is numerically simulated as a model application. The simulation shows a spatially restricted and very narrow difference frequency sound similar to their experiment.
Keyword (in Japanese) (See Japanese page) 
(in English) Nonlinear sound propagation / Parametric array / Numerical simulation / Self-silenced sound beam / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 21, US2011-2, pp. 7-12, April 2011.
Paper # US2011-2 
Date of Issue 2011-04-21 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee US  
Conference Date 2011-04-28 - 2011-04-28 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear Acoustics, General, etc 
Paper Information
Registration To US 
Conference Code 2011-04-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of sound field formed by parametric array using numerical simulation 
Sub Title (in English) Application to self-silenced sound beam 
Keyword(1) Nonlinear sound propagation  
Keyword(2) Parametric array  
Keyword(3) Numerical simulation  
Keyword(4) Self-silenced sound beam  
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1st Author's Name Hideyuki Nomura  
1st Author's Affiliation University of Electro-Communications (UEC)
2nd Author's Name Claes M. Hedberg  
2nd Author's Affiliation Blekinge Institute of Technology (BTH)
3rd Author's Name Tomoo Kamakura  
3rd Author's Affiliation University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2011-04-28 13:25:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2011-2 
Volume (vol) vol.111 
Number (no) no.21 
Page pp.7-12 
#Pages
Date of Issue 2011-04-21 (US) 


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