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Improvement of convergence characteristic of ICCG method for the A-φ method using edge elements

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3 Author(s)
Fujiwara, K. ; Dept. of Electr. & Electron. Eng., Okayama Univ., Japan ; Nakata, T. ; Ohashi, H.

The effect of the scalar potential φ in the A-φ method on the convergence characteristic of the incomplete Cholesky conjugate gradient (ICCG) method using the edge element is investigated. Several 3-D eddy current models are analyzed both by taking into account φ and neglecting φ to compare the convergence characteristics. It is illustrated that the CPU time using φ is less than ½ of that neglecting φ, and there are some models in which the use of φ enables us to obtain convergent solutions

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Magnetics, IEEE Transactions on  (Volume:32 ,  Issue: 3 )