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Two finite element implementations for modelling eddy current problems with velocity are examined here. The formulations are based on the A-/spl psi/ representation. In one finite element implementation, the moving current density is represented as a volume integral term. In the other, volume and surface integral terms represent the moving current density. These formulations are applied to a series of rotational velocity test models differing in conductor topology and the results are compared.
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Allen et al. (1998) studied this question.
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