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Solution of the 3D Helmholtz equation with eddy currents in cylindrical coordinates by longitudinal components

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4 Author(s)
L. Gong ; Dept. of Electr. Eng., Tsinghua Univ., Beijing, China ; R. Hagel ; K. Zhang ; R. Unbehauen

A semi-analytical method is presented based on the concept of separation of variables and the Fourier transform for solving the 3D Helmholtz equation with eddy currents using the longitudinal components in a conducting shell of infinite length and finite thickness. To approximate the complicated incident field, a Fourier expansion and the discrete Fourier transform (DFT) are used. Finally, the inverse DFT is applied. The numerical results are reasonable

Published in:

IEEE Transactions on Magnetics  (Volume:28 ,  Issue: 2 )