Rotating and pulsating field quantities in ferromagnetic material with travelling wave excitation

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Abstract
The steady-state elliptical vector magnetic field in a ferromagnetic plate subjected to a surface travelling wave of excitation is described in terms of (a) two contrarotating fields, and (b) a rotational and a pulsating field. It is assumed that all field components vary sinusoidally in time and space and the concept of complex permeability permits the inclusion of both hysteresis and eddy-current effects in the material. Computed values show the influence of excitation wavelength and hysteresis angle upon the field components, and examples include finite-thickness plates with different boundary conditions.

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