Automatic Determination of Acceleration Factor Based on Residual and Functional in Shifted ICCG Method for 3-D Electromagnetic Field Analyses

This paper describes new strategy for determining an optimal acceleration factor in the shifted incomplete Cholesky conjugate gradient (ICCG) method. Although a useful method focused on the maximum diagonal entry in the incomplete Cholesky (IC) preconditioner was already proposed, it cannot always p...

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Veröffentlicht in:	IEEE transactions on magnetics 2013-05, Vol.49 (5), p.1741-1744
Hauptverfasser:	Kitao, Junji, Takahashi, Yasuhito, Fujiwara, Koji, Mifune, Takeshi, Iwashita, Takeshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceleration Analytical models Computational efficiency Convergence Cross-disciplinary physics: materials science rheology Edge-based finite element method Electromagnetic fields Exact sciences and technology Finite element analysis functional ICCOCG method Integrated circuit modeling Magnetism Materials science Mathematical model Minimization Norms Optimization Other topics in materials science Physics remainder matrix residual shifted ICCG method Solid modeling Studies Three dimensional
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