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Hi all, I am simulating kind of single-phase transformer with Grain Oriented materials. I am modeling the iron core with a 'magnetic non conducting region'. Magnetization curves along rolling and transverse direction are characterized up to saturation and their measurements data are smooth enough. They are modeled through an 'anisotropic spline saturation' tool removing the knee in the Rayleigh zone, as suggested in the User Guide. Performing a transient analysis, the solver is not able to converge during Newton-Raphson computations for medium-high field strength values. On the other hand, when simulating very low and extremely high field strengths, the solver converges with no particular issues. Can you please help me to figure it out? Thank you in advance, MB