| Presentation | 2006/12/7 High-Accuracy Optimal Second-Order FDTD Method for Analysis of Large-Scale Three-Dimensional Electromagnetic Wave Propagation Jun SONODA, Hee Joon KIM, Motoyuki SATO, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | When analyzing large-scale three-dimensional (3-D) electromagnetic wave propagation using the conventional FDTD method, it is necessary to make cell size sufficiently small to reduce numerical dispersion error. Using a small cell to model the region of several tens of a wavelength makes it difficult to use FDTD methods because of computational cost. This paper presents the optimal second-order FDTD (OSO-FDTD) method which is four-point difference scheme and is second-order accurate in space and time. We have been analytically obtained the OSO-FDTD coefficients by minimizing the integrated difference between numerical and physical wavenumbers over the entire range of wavenumbers. The newly derived coefficient is quite effective to reduce numerical dispersion error compared with the conventional OSO-FDTD and standard FDTD (2,4) methods. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | large-scale 3-D wave propagation / optimal second-order FDTD / FDTD(2,4) / numerical dispersion / dispersion relation |
| Paper # | A・P2006-103 |
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| Conference Information | |
| Committee | AP |
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| Conference Date | 2006/12/7(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | Antennas and Propagation (A・P) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | High-Accuracy Optimal Second-Order FDTD Method for Analysis of Large-Scale Three-Dimensional Electromagnetic Wave Propagation |
| Sub Title (in English) | |
| Keyword(1) | large-scale 3-D wave propagation |
| Keyword(2) | optimal second-order FDTD |
| Keyword(3) | FDTD(2,4) |
| Keyword(4) | numerical dispersion |
| Keyword(5) | dispersion relation |
| 1st Author's Name | Jun SONODA |
| 1st Author's Affiliation | Department of Electronic Engineering, Sendai National College of Technology() |
| 2nd Author's Name | Hee Joon KIM |
| 2nd Author's Affiliation | Deptartment of Environmental Exploration Engineering, Pukyong National University |
| 3rd Author's Name | Motoyuki SATO |
| 3rd Author's Affiliation | Center for Northeast Asian Studies, Tohoku University |
| Date | 2006/12/7 |
| Paper # | A・P2006-103 |
| Volume (vol) | vol.106 |
| Number (no) | 416 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |