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A new formulation of the magnetic vector potential method for three dimensional magnetostatic field problems

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1 Author(s)
Morisue, T. ; University of Tokushima, Tokushima, Japan

A novel formulation of the magnetic vector potential method for three dimensional magnetostatic field calculations is derived. Rigorously defining the interface and boundary conditions of the gauge of the vector potential, the new method gives a unique solution to the problem. The new field equation does not contain the gauge condition against the usual formulations[1], [2], [3], and takes the form of the diffusion equation. Computed results are favorably compared with the analytic solution of a test problem. This formulation is directly applicable to three dimensional eddy current problems.

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Magnetics, IEEE Transactions on  (Volume:21 ,  Issue: 6 )