The calculation of quasistationary magnetic fields and electrostatic fields of several objects is presented in the paper. In the range of the magnetic fields of coils and transformer systems parallelepiped calculation regions are assumed. In the range of electrostatic fields analysis of the field in tanks of different shape storing inflammable liquids was undertaken. Fast subroutines using finite differences [FDM] to calculate the field were employed. These subroutines are based on the Fast Fourier Transform (FFT).
Zakrzewski, K. and Lukaniszyn, M. (1992), "3‐D CALCULATION OF MAGNETIC AND ELECTRIC FIELDS BY FDM USING FAST SOLVING SUBROUTINES", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 11 No. 1, pp. 37-40. https://doi.org/10.1108/eb051746
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