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| Presentation | 2021-05-21 11:15 A Comparison on the Numerical Accuracy of the Reflection Coefficients in the Three Types of Frequency-Dependent FDTD Schemes Atsushi Sugimoto, Yukihisa Suzuki (Tokyo Metropolitan Univ.), Jun Shibayama (Hosei Univ.), Jerdvisanop Chakarothai (NICT)  EMT2021-3 Link to ES Tech. Rep. Archives: EMT2021-3 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The reflection at the interface between air and gold whose dielectric properties are expressed by the Drude-Lorentz model was simulated. Three types of frequency-dependent finite-difference time-domain (FDTD) methods, such as recursive convolution (RC), auxiliary differential equation (ADE), and Z transform schemes are implemented in the 1D FDTD method. In the previous studies, there is no work to quantify the accuracy and evaluate the errors of the reflection coefficients in these schemes. In this study, the errors were quantitatively evaluated and compared. This study shows that the RC scheme calculates the reflection coefficient with first-order accuracy, while the TRC, PLRC, and ADE schemes calculate it with second-order accuracy. When the CFL number was fixed at 0.999, the Z transform scheme showed the most superior accuracy in many cases. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Drude-Lorentz model / FDTD method / recursive convolution technique / ADE technique / Z transform technique / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 33, EMT2021-3, pp. 13-18, May 2021. | |
| Paper # | EMT2021-3 | |
| Date of Issue | 2021-05-14 (EMT) | |
| 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 | EMT2021-3 Link to ES Tech. Rep. Archives: EMT2021-3 |
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| Conference Information | |
| Committee | EMT IEE-EMT |
| Conference Date | 2021-05-21 - 2021-05-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Electromagnetic Theory, etc. |
| Paper Information | |
| Registration To | EMT |
| Conference Code | 2021-05-EMT-EMT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Comparison on the Numerical Accuracy of the Reflection Coefficients in the Three Types of Frequency-Dependent FDTD Schemes |
| Sub Title (in English) | |
| Keyword(1) | Drude-Lorentz model |
| Keyword(2) | FDTD method |
| Keyword(3) | recursive convolution technique |
| Keyword(4) | ADE technique |
| Keyword(5) | Z transform technique |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Atsushi Sugimoto |
| 1st Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
| 2nd Author's Name | Yukihisa Suzuki |
| 2nd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
| 3rd Author's Name | Jun Shibayama |
| 3rd Author's Affiliation | Hosei University (Hosei Univ.) |
| 4th Author's Name | Jerdvisanop Chakarothai |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2021-05-21 11:15:00 |
| Presentation Time | 25 minutes |
| Registration for | EMT |
| Paper # | EMT2021-3 |
| Volume (vol) | vol.121 |
| Number (no) | no.33 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2021-05-14 (EMT) |
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