Abstract
The magnetic vector potential and boundary integral equation method is an effective and promising method for 3-D magnetostatic field and eddy current calculations since it can handle the unbounded air region and requires less computation time and memory than FEM. In this paper the magnetic vector potential method is formulated as a boundary-value-problem, defining the interface and boundary conditions precisely. The computed results of the 3-D magnetostatic field in an iron slab surrounded with a current-carrying conductor are compared favorably with the experimental data when the sharp edges of the slab are rounded appropriately in the simulation model.
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