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Paper Abstract and Keywords
Presentation 2008-07-17 16:05
FDTD Simulation of Contact Currents from Charged Human Body
Toshihiro Nagai, Akimasa Hirata, Osamu Fujiwara (NIT) EMCJ2008-38
Abstract (in Japanese) (See Japanese page) 
(in English) Contact currents flow from/into a human body, when touching an object such as a metal structure with a different electric potential due to electromagnetic field exposure, which should stimulate muscle and peripheral nerves. In this context, numerical analyses of electric fields induced by contact currents in a human body have been performed so far, while the effectiveness of computational methods for transient contact currents has not well been investigated. With a Japanese adult male model developed by National institute of Information and Communication Technology (NICT), we previously simulated the induced electric field in a human body due to contact currents by the FDTD method. In the present study, to further validate our FDTD modeling, we compared simulation of contact currents and the resultant body surface magnetic fields with measurement, and then calculated spatial distribution of induced peak electric fields and specific energy absorption (SA). As a result, we found that calculated and measured contact currents as well as body surface magnetic fields are in reasonable agreement, which shows the validity of our FDTD modeling. It was also found that 99 percentile electric fields are large in order of skin, fat, bone and muscle, while they are significantly lower in the central nerve system including brains compared to those in skin tissue, and that 70% of whole body SA was concentrated on the right arm touching a metallic object.
Keyword (in Japanese) (See Japanese page) 
(in English) charged human body / contact current / FDTD simulation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 132, EMCJ2008-38, pp. 71-76, July 2008.
Paper # EMCJ2008-38 
Date of Issue 2008-07-10 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee EMCJ  
Conference Date 2008-07-17 - 2008-07-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2008-07-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) FDTD Simulation of Contact Currents from Charged Human Body 
Sub Title (in English)  
Keyword(1) charged human body  
Keyword(2) contact current  
Keyword(3) FDTD simulation  
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1st Author's Name Toshihiro Nagai  
1st Author's Affiliation Nagoya Institute of Technology (NIT)
2nd Author's Name Akimasa Hirata  
2nd Author's Affiliation Nagoya Institute of Technology (NIT)
3rd Author's Name Osamu Fujiwara  
3rd Author's Affiliation Nagoya Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2008-07-17 16:05:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2008-38 
Volume (vol) vol.108 
Number (no) no.132 
Page pp.71-76 
#Pages 6 
Date of Issue 2008-07-10 (EMCJ) 

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