This paper presents a hybrid A,/spl phi/-/spl Omega/ hybrid finite element-Green's function method for the solution of three-dimensional unbounded eddy current problems. The finite element method is used in the interior region employing the magnetic vector potential A and the electric scalar potential /spl phi/. The Green's function method is applied to the exterior region using the magnetic scalar potential /spl Omega/. This hybrid approach is efficient since it reduces the number of unknowns and subsequently reduces the core memory and computing overhead. To illustrate the formulation, a conducting cube under uniform magnetic field excitation is calculated and the current density is obtained.>
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Chen et al. (1994) studied this question.
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