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3-D eddy current calculations using the magnetic vector potential

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2 Author(s)
Morisue, T. ; Tokushima Univ., Japan ; Fukumi, M.

Two methods for using the magnetic vector potential for 3-D eddy current calculation are treated. One method uses the magnetic vector potential that is continuous over the entire region and generally accompanies the electric scalar potential. It has the advantage that no cutting is necessary for the multiply-connected-region problem. The other method uses the magnetic vector potential that is discontinuous across the interface surface between different media. This magnetic vector potential can be arranged so that the electric scalar potential does not appear in the equations when the conductivity is constant. It has the disadvantage that cutting is necessary for the multiply-connected-region problem. New boundary value problem formulations are given for both methods, precisely defining the interface and boundary conditions.<>

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Magnetics, IEEE Transactions on  (Volume:24 ,  Issue: 1 )