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Paper Abstract and Keywords
Presentation 2023-10-20 14:20
Application of Sparse Direct Solver to Improve Convergence and Speed-up of the High-Frequency Electromagnetic Field Finite Element Analysis Code: ADVENTURE_FullWave
Kento Ohnaka (Univ. of Miyazaki), Toshio Murayama, Sota Goto (UTokyo), Amane Takei (Univ. of Miyazaki) EMCJ2023-65 MW2023-119 EST2023-92
Abstract (in Japanese) (See Japanese page) 
(in English) ADVENTURE_FullWave, an electromagnetic field analysis code being developed by the authors, uses the iterative domain decomposition method (IDDM) and the corresponding parallel distributed processing environment to perform detailed, fast, and efficient finite element analysis of large-scale problems. However, it is still computationally time-consuming due to the large number of iterative iterations required. In this study, we focus on the subdomain size in domain decomposition, i.e., the number of elements per subdomain, and investigate the effects of this on the computation time and convergence of the iterative method, and consider how the application of the sparse matrix direct method to the subdomain solver can improve the computation speed and convergence by reducing the load on the iterative method process.
Keyword (in Japanese) (See Japanese page) 
(in English) Parallel finite element method / Large-scale computation / Full-wave electromagnetic field analysis / TEAM Workshop Problem29 / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 217, EST2023-92, pp. 152-157, Oct. 2023.
Paper # EST2023-92 
Date of Issue 2023-10-12 (EMCJ, MW, EST) 
ISSN Online edition: ISSN 2432-6380
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Download PDF EMCJ2023-65 MW2023-119 EST2023-92

Conference Information
Committee MW EMCJ EST IEE-EMC  
Conference Date 2023-10-19 - 2023-10-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamagata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave, EM simulation, EMC, etc. 
Paper Information
Registration To EST 
Conference Code 2023-10-MW-EMCJ-EST-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Application of Sparse Direct Solver to Improve Convergence and Speed-up of the High-Frequency Electromagnetic Field Finite Element Analysis Code: ADVENTURE_FullWave 
Sub Title (in English)  
Keyword(1) Parallel finite element method  
Keyword(2) Large-scale computation  
Keyword(3) Full-wave electromagnetic field analysis  
Keyword(4) TEAM Workshop Problem29  
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1st Author's Name Kento Ohnaka  
1st Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
2nd Author's Name Toshio Murayama  
2nd Author's Affiliation The University of Tokyo (UTokyo)
3rd Author's Name Sota Goto  
3rd Author's Affiliation The University of Tokyo (UTokyo)
4th Author's Name Amane Takei  
4th Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
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Speaker Author-1 
Date Time 2023-10-20 14:20:00 
Presentation Time 20 minutes 
Registration for EST 
Paper # EMCJ2023-65, MW2023-119, EST2023-92 
Volume (vol) vol.123 
Number (no) no.215(EMCJ), no.216(MW), no.217(EST) 
Page pp.152-157 
#Pages 6 
Date of Issue 2023-10-12 (EMCJ, MW, EST) 

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