A predictor-corrector scheme for open boundary problems

被引：0
|
作者：
Aiello, G [1 ]
Alfonzetti, S [1 ]
Borzi, G [1 ]
Salerno, N [1 ]
机构：
[1] Univ Catania, Dipartimento Elettrico Elettroncio & Sistemistico, I-95125 Catania, Italy
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1998年 / 34卷 / 05期
关键词：
finite element methods; magnetic fields; eddy currents; open boundary problems;
D O I：
10.1109/20.717594
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper an iterative finite-element procedure is described for the solution of non-linear time-varying eddy current problems in open boundaries. A fictitious boundary delimiting a bounded domain is introduced. At each discrete time, two algebraic systems are set up and solved for the predictor and corrector solutions. Both these systems are solved iteratively by assuming a first guess for the Dirichlet condition an the fictitious boundary and improving ht by making use of the free-space Green's function until convergence takes place. A great reduction of computing time is obtained with respect to the solution with a Newton-Raphson solver.
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页码：2573 / 2576
页数：4
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