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Paper Abstract and Keywords
Presentation 2023-07-20 10:00
Simulation of ULF emissions in the Earth's crust by 3-D WLP-FDTD method
Rinako Shinno, Yoshiaki Ando (UEC) EMT2023-11 MW2023-29 OPE2023-11 EST2023-11 MWPTHz2023-7
Abstract (in Japanese) (See Japanese page) 
(in English) After the 1990s, there are some reports that ULF electromagnetic emissions were observed with seismic activities. To analyze the relation between earthquakes and ULF emissions, numerical electromagnetic simulation is important. Although the FDTD method is effective for modeling strongly inhomogeneous underground conductivity structure, the stability condition causes vast number of computation resources due to extremely small cell-size. Hence we apply the WLP-FDTD method, which is unconditionally stable, to the simulation of 3-D ULF emissions in the earth’s crust. To realize an absorbing boundary condition for extremely small analysis domains, we use nonuniform grids to extend distance to the perfectly matched layer. The developed simulation method shows excellent performance to analyze the propagation of the ULF waves in the earth’s crust.
Keyword (in Japanese) (See Japanese page) 
(in English) electromagnetic field simulation / ULF / WLP-FDTD method / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 117, EST2023-11, pp. 11-15, July 2023.
Paper # EST2023-11 
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 
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 EMT2023-11 MW2023-29 OPE2023-11 EST2023-11 MWPTHz2023-7

Conference Information
Committee EST MW EMT OPE MWPTHz IEE-EMT  
Conference Date 2023-07-20 - 2023-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Muroran Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To EST 
Conference Code 2023-07-EST-MW-EMT-OPE-MWPTHz-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation of ULF emissions in the Earth's crust by 3-D WLP-FDTD method 
Sub Title (in English)  
Keyword(1) electromagnetic field simulation  
Keyword(2) ULF  
Keyword(3) WLP-FDTD method  
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1st Author's Name Rinako Shinno  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Yoshiaki Ando  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2023-07-20 10:00:00 
Presentation Time 25 minutes 
Registration for EST 
Paper # EMT2023-11, MW2023-29, OPE2023-11, EST2023-11, MWPTHz2023-7 
Volume (vol) vol.123 
Number (no) no.114(EMT), no.115(MW), no.116(OPE), no.117(EST), no.118(MWPTHz) 
Page pp.11-15 
#Pages 5 
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 

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