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Paper Abstract and Keywords
Presentation 2025-11-07 10:20
Whole-Body SAR Evaluation with Daily Posture Variability: Toward Epidemiologically Relevant Assessment using an Automated Numerical Simulation Framework
Koki Kusakabe, Takashi Hikage, Toshihiko Nishimura (Hokkaido Univ.), Tatsuya Kashiwa (KIT), Naomi Tamura, Ammara Ajmal, Yu Ait Bamai, Atsuko Ikeda, Reiko Kishi (Hokkaido Univ.) EMCJ2025-77
Abstract (in Japanese) (See Japanese page) 
(in English) A novel automated framework is presented for posture-aware evaluation of whole-body-averaged specific absorption rate (WB-SAR) to support epidemiological studies of exposure to electromagnetic fields (EMFs), with emphasis on children and adolescents in realistic living environments. A high-resolution Japanese voxel human model in combination with the finite-difference time-domain (FDTD) method is used to quantify posture-dependent variations in WB-SAR across multiple incident directions and polarizations. The workflow substantially reduces the time and effort required to generate and simulate diverse posture scenarios at scale. By capturing posture-induced changes in SAR distribution, the framework improves the fidelity of dosimetry inputs for large-scale epidemiological analyses.
Keyword (in Japanese) (See Japanese page) 
(in English) electromagnetic exposure / FDTD / posture variation / SAR evaluation / voxel human / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 230, EMCJ2025-77, pp. 34-37, Nov. 2025.
Paper # EMCJ2025-77 
Date of Issue 2025-10-31 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 EMCJ2025-77

Conference Information
Committee EMCJ  
Conference Date 2025-11-07 - 2025-11-07 
Place (in Japanese) (See Japanese page) 
Place (in English) QUATEST3 (Ho Chi Minh, Vietnam) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC Joint Workshop 2025, Ho Chi Minh 
Paper Information
Registration To EMCJ 
Conference Code 2025-11-EMCJ 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Whole-Body SAR Evaluation with Daily Posture Variability: Toward Epidemiologically Relevant Assessment using an Automated Numerical Simulation Framework 
Sub Title (in English)  
Keyword(1) electromagnetic exposure  
Keyword(2) FDTD  
Keyword(3) posture variation  
Keyword(4) SAR evaluation  
Keyword(5) voxel human  
Keyword(6)  
Keyword(7)  
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1st Author's Name Koki Kusakabe  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Takashi Hikage  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Toshihiko Nishimura  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Tatsuya Kashiwa  
4th Author's Affiliation Kitami Institute of Technology (KIT)
5th Author's Name Naomi Tamura  
5th Author's Affiliation Hokkaido University (Hokkaido Univ.)
6th Author's Name Ammara Ajmal  
6th Author's Affiliation Hokkaido University (Hokkaido Univ.)
7th Author's Name Yu Ait Bamai  
7th Author's Affiliation Hokkaido University (Hokkaido Univ.)
8th Author's Name Atsuko Ikeda  
8th Author's Affiliation Hokkaido University (Hokkaido Univ.)
9th Author's Name Reiko Kishi  
9th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2025-11-07 10:20:00 
Presentation Time 60 minutes 
Registration for EMCJ 
Paper # EMCJ2025-77 
Volume (vol) vol.125 
Number (no) no.230 
Page pp.34-37 
#Pages 4 
Date of Issue 2025-10-31 (EMCJ) 

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