O. Biro et al., VARIOUS FEM FORMULATIONS FOR THE CALCULATION OF TRANSIENT 3D EDDY CURRENTS IN NONLINEAR MEDIA, IEEE transactions on magnetics, 31(3), 1995, pp. 1307-1312
Several finite element formulations in terms of various potentials are
reviewed for the calculation of transient eddy currents in nonlinear
media. A fast and simple iterative technique is used to solve the nonl
inear algebraic equations arising. The different formulations are comp
ared by solving some large three dimensional problems by various metho
ds.