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| Presentation | 2020-04-27 13:30 Three-dimensional numerical simulation for harmonic guided wave by nonlinear aerial ultrasonic wave irradiation Kenta Yamada, Ayumu Osumi, Youichi Ito (Nihon Univ.)  US2020-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have studied a fast broadband imaging using harmonic by nonlinearity of high-intensity aerial ultrasonic wave and a scanning ultrasonic source technique. In a proposed method, a high-precision defect location estimation and imaging were succeeded performed by visualizing a broadband guided wave including harmonics without contact. On the other hand, in recent years, researches have been conducted to automatically determine the position and depth of a defect using a machine learning from a visualized propagation image. In order to perform the machine learning, many propagation images for learning was required, then it was difficult to perform the machine learning only with experimental results. Many researches have attempt to compensate many propagation images by numerical simulations, but it was necessary to theoretically verify the consistency with the experimental results. Therefore, in this report, we simulated the propagation of the harmonic guide wave using the finite element method and compared it with the harmonic guide wave propagation image obtained from the experiment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Non-linear ultrasonic wave / Wave source scanning method / Guided wave / Non-destructive measurement / Finite element method / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 12, US2020-1, pp. 1-5, April 2020. | |
| Paper # | US2020-1 | |
| Date of Issue | 2020-04-20 (US) | |
| ISSN | 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 | US2020-1 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2020-04-27 - 2020-04-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2020-04-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Three-dimensional numerical simulation for harmonic guided wave by nonlinear aerial ultrasonic wave irradiation |
| Sub Title (in English) | |
| Keyword(1) | Non-linear ultrasonic wave |
| Keyword(2) | Wave source scanning method |
| Keyword(3) | Guided wave |
| Keyword(4) | Non-destructive measurement |
| Keyword(5) | Finite element method |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenta Yamada |
| 1st Author's Affiliation | Nihon University (Nihon Univ.) |
| 2nd Author's Name | Ayumu Osumi |
| 2nd Author's Affiliation | Nihon University (Nihon Univ.) |
| 3rd Author's Name | Youichi Ito |
| 3rd Author's Affiliation | Nihon University (Nihon Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-04-27 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2020-1 |
| Volume (vol) | vol.120 |
| Number (no) | no.12 |
| Page | pp.1-5 |
| #Pages | 5 |
| Date of Issue | 2020-04-20 (US) |
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