Analysis of Lighting Electromagnetic Field on Numerical Terrain and Urban Model using Three‐Dimensional MW‐FDTD Parallel Computation

SUMMARY Analysis of lightning electromagnetic field using the finite‐difference time‐domain (FDTD) method has been studies in recent year. However, large‐scale analysis on real environment has not been considered, because the FDTD method requires huge computational cost on large‐scale analysis. We p...

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Vydáno v:Electronics and communications in Japan Ročník 100; číslo 4; s. 76 - 82
Hlavní autoři: OIKAWA, TAKASHI, SONODA, JUN, HONMA, NORIYASU, SATO, MOTOYUKI
Médium: Journal Article
Jazyk:angličtina
Vydáno: Hoboken Wiley Subscription Services, Inc 01.04.2017
Témata:
analysis of lightning electromagnetic field
Computation
Computational efficiency
Cost analysis
Dimensional analysis
Electromagnetic fields
Electromagnetism
Finite difference method
Finite difference time domain method
Illumination
Lighting
Lightning
Mathematical models
MW‐FDTD method
parallel computation
Parallel processing
Scale (ratio)
Sound waves
Terrain
terrain model
Three dimensional models
Time domain analysis
urban model
ISSN:1942-9533, 1942-9541
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Shrnutí:SUMMARY Analysis of lightning electromagnetic field using the finite‐difference time‐domain (FDTD) method has been studies in recent year. However, large‐scale analysis on real environment has not been considered, because the FDTD method requires huge computational cost on large‐scale analysis. We proposed a three‐dimensional moving window FDTD (MW‐FDTD) with parallel computation and applied to large‐scale analysis of lightning electromagnetic field with a real numerical terrain model. In this paper, we have studied about large‐scale analysis of lightning electromagnetic field with real urban models considering many buildings using our MW‐FDTD with parallel computation. We have shown effects of observed electromagnetic field on urban model.
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ISSN:1942-9533
1942-9541
DOI:10.1002/ecj.11952