Quantitative Evaluation for Computational Cost of CG-FMM on Typical Wiregrid Models
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概要
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The conjugate gradient-fast multipole method (CG-FMM) is one of the powerful methods for analysis of large-scale electromagnetic problems. It is also known that CPU time and computer memory can be reduced by CG-FMM but such computational cost of CG-FMM depends on shape and electrical properties of an analysis model. In this paper, relation between the number of multipoles and number of segments in each group is derived from dimension of segment arrangement in four typical wiregrid models. Based on the relation and numerical results for these typical models, the CPU time per iteration and computer memory are quantitatively discussed. In addition, the number of iteration steps, which is related to condition number of impedance matrix and analysis model, is also considered from a physical point of view.
- 2010-10-01
著者
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Chen Qiang
Tohoku University
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Sawaya Kunio
Tohoku University
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KONNO Keisuke
Department of Electrical Communications Engineering, Graduate School of Engineering, Tohoku Universi
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CHEN Qiang
Department of Electrical Communications Engineering, Graduate School of Engineering, Tohoku Universi
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SAWAYA Kunio
Department of Electrical Communications Engineering, Graduate School of Engineering, Tohoku Universi
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Chen Qiang
Tohoku Univ.
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Chen Qiang
Department Of Electrical Communications School Of Engineering Tohoku University
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Chen Qiang
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Chen Qiang
Department Of Electrical Communications Engineering Graduate School Of Engineering Tohoku University
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Sawaya Kunio
Tohoku Univ.
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Sawaya Kunio
Department Of Electrical Communications School Of Engineering Tohoku University
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Sawaya Kunio
Department Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Sawaya Kunio
Sendai Emc Research Center Nict:department Of Electrical And Communication Engineering School Of Eng
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Sawaya Kunio
Department Of Electrical Communications Engineering Graduate School Of Engineering Tohoku University
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Konno Keisuke
Department Of Electrical Communications Engineering Graduate School Of Engineering Tohoku University
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Chen Qiang
Department Of Cardiovascular Medicine The Second Affiliated Hospital Of Dalian Medical University
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Konno Keisuke
Department of Communications Engineering, Graduate School of Engineering, Tohoku University
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SAWAYA Kunio
Department of Communications Engineering, Graduate School of Engineering, Tohoku University
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