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Paper Abstract and Keywords
Presentation 2008-01-28 13:30
Dependence of Calculation Accuracy on Timestep in Numerical Simulation of Acoustic Field Using the CIP Method
Masahito Konno, Kan Okubo (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.), Norio Tagawa (Tokyo Met. Univ.) US2007-90 EA2007-96
Abstract (in Japanese) (See Japanese page) 
(in English) To date, a number of numerical analysis in time domain has been investigated for sound wave propagation. Conventional methods of numerical analysis in time domain define the time-step under the Courant-Friedrichs-Lewy (CFL) condition, i.e. CFL number is smaller than one. On the other hand, by means of both the method of characteristics and the method of Semi-Lagrange, constrained interpolation profile (CIP) scheme allows us to calculate sound wave propagation with CFL number larger than one. In this study, we examine the numerical analysis for acoustic fields using some types of CIP methods with the lager CFL number and evaluate
the calculation accuracy and cost.
Keyword (in Japanese) (See Japanese page) 
(in English) CIP method / large CFL number / sound wave propagation / the method of characteristics / timestep / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 467, US2007-90, pp. 7-12, Jan. 2008.
Paper # US2007-90 
Date of Issue 2008-01-21 (US, 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 US2007-90 EA2007-96

Conference Information
Committee EA US  
Conference Date 2008-01-28 - 2008-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kansai University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To US 
Conference Code 2008-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dependence of Calculation Accuracy on Timestep in Numerical Simulation of Acoustic Field Using the CIP Method 
Sub Title (in English)  
Keyword(1) CIP method  
Keyword(2) large CFL number  
Keyword(3) sound wave propagation  
Keyword(4) the method of characteristics  
Keyword(5) timestep  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Masahito Konno  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Met. Univ.)
2nd Author's Name Kan Okubo  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Met. Univ.)
3rd Author's Name Takao Tsuchiya  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Norio Tagawa  
4th Author's Affiliation Tokyo Metropolitan University (Tokyo Met. Univ.)
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Speaker Author-1 
Date Time 2008-01-28 13:30:00 
Presentation Time 30 minutes 
Registration for US 
Paper # US2007-90, EA2007-96 
Volume (vol) vol.107 
Number (no) no.467(US), no.469(EA) 
Page pp.7-12 
#Pages 6 
Date of Issue 2008-01-21 (US, EA) 

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