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| Presentation | 2017-03-01 12:40 [Poster Presentation] Application and Evaluation of CIP Methods to Acoustic Wave Propagation Analysis with Multi-dimensional Advection Akihiro Fukuda, Kan Okubo (Tokyo Met. Univ.), Takuya Oshima (Niigata Univ.), Takao Tsuchiya (Doshisha Univ.), Masashi Kanamori (JAXA)  EA2016-90 SIP2016-145 SP2016-85 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The constrained interpolation profile (CIP) method is a calculation method with less numerical dispersion error, which uses the values of acoustic field and their spatial derivatives at grid points to solve the problem of wave propagation. In the study, we investigate the type-C CIP and type-M CIP methods as a method considering the background flow in the acoustic field. The difference between the type-M and type-C CIP methods is the handling of a second-order special derivative. The type-M CIP method uses the linear interpolation to calculate the advection of the perpendicular derivatives. The type-M CIP method is a simple technique with smaller memory use and less calculation time required than the type-C CIP method. Then, the calculation results are evaluated and compared with those by the exact solution and the linearized Euler equation method. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | constrained interpolation profile (CIP) method / method of characteristics / background flow / acoustic wave propagation / type-M CIP method / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 475, EA2016-90, pp. 49-54, March 2017. | |
| Paper # | EA2016-90 | |
| Date of Issue | 2017-02-22 (EA, SIP, SP) | |
| 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 | EA2016-90 SIP2016-145 SP2016-85 |
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| Conference Information | |
| Committee | SP SIP EA |
| Conference Date | 2017-03-01 - 2017-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Industry Support Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2017-03-SP-SIP-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Application and Evaluation of CIP Methods to Acoustic Wave Propagation Analysis with Multi-dimensional Advection |
| Sub Title (in English) | |
| Keyword(1) | constrained interpolation profile (CIP) method |
| Keyword(2) | method of characteristics |
| Keyword(3) | background flow |
| Keyword(4) | acoustic wave propagation |
| Keyword(5) | type-M CIP method |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Akihiro Fukuda |
| 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 | Takuya Oshima |
| 3rd Author's Affiliation | Niigata University (Niigata Univ.) |
| 4th Author's Name | Takao Tsuchiya |
| 4th Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 5th Author's Name | Masashi Kanamori |
| 5th Author's Affiliation | Japan Aerospace eXploration Agency (JAXA) |
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| Speaker | Author-1 |
| Date Time | 2017-03-01 12:40:00 |
| Presentation Time | 90 minutes |
| Registration for | EA |
| Paper # | EA2016-90, SIP2016-145, SP2016-85 |
| Volume (vol) | vol.116 |
| Number (no) | no.475(EA), no.476(SIP), no.477(SP) |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2017-02-22 (EA, SIP, SP) |
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