Abstract
AbstractA finite‐element formulation is described and some numerical results are presented for excitation and transmission problems of magnetostatic forward volume wave. The governing equation for the vector potential is obtained through Maxwell's equations under the magnetostatic approximation.First, numerical results for radiation impedances of the magnetostatic wave agreed well with analytic solutions. Second, the reflection and transmission characteristics of the magnetostatic wave for a metal strip are analyzed. The reflection coefficient changes periodically with the width of the conductor and its periodicity agrees with a wavelength of the magnetostatic wave. In the case of a narrow strip, the interaction of evanescent waves becomes significant, resulting in a finite reflection coefficient when the width approaches zero.
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