Journal Article10.1109/20.877538
Polarization method for static fields
TL;DR: An overview of the polarization method can be found in this paper, where an efficient overrelaxation method is presented to ensure the convergence of the method and the errors are evaluated.
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Abstract: An overview of the polarization method is presented. The method can by applied for different regimes of the electromagnetic field as well as for electric circuits. Criteria for the choice of the permeability are proposed, so that the iterative scheme leads to a Picard-Banach fixed point procedure. The errors are evaluated. An efficient overrelaxation method is presented. The modality of using FEM numerical method is analyzed in order to ensure the convergence of the method.
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Citations
Analysis of the Convergence of the Fixed-Point Method Used for Solving Nonlinear Rotational Magnetic Field Problems
Emad Dlala,Antero Arkkio +1 more
TL;DR: The fixed-point method has not been widely used for solving nonlinear electromagnetic field problems, except for the hysteretic problem, for which it is the prevailing method as discussed by the authors.
58
Coupled Three Dimensional Numerical Calculation of Forces and Stresses on the End Windings of Large Turbo Generators via Integral Formulation
Raffaele Albanese,Flavio Calvano,G. Dal Mut,F. Ferraioli,Alessandro Formisano,Fabrizio Marignetti,R. Martone,A. Romano,Guglielmo Rubinacci,Antonello Tamburrino,Salvatore Ventre +10 more
TL;DR: In this article, a numerical approach to calculate the time evolution of the three dimensional distribution of the magnetic field and forces in the end winding regions of large turbine generators is presented based on an integral formulation for nonlinear magnetostatic problems.
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Locally Convergent Fixed-Point Method for Solving Time-Stepping Nonlinear Field Problems
TL;DR: This paper proposes a new method for accelerating the convergence of the fixed-point technique in solving time-stepping nonlinear field problems and proves to be simple and remarkably fast.
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Vector Preisach hysteresis modeling: Measurement, identification and application
TL;DR: In this article, a Preisach model has been used to simulate the vector hysteresis properties of ferromagnetic materials using a single sheet tester with a disk-shaped specimen at low frequency.
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Recent advancement of electromagnetic nondestructive inspection technology in Japan
TL;DR: In this article, the electromagnetic nondestructive testing (NDT) of present interest for research and industrial applications in Japan is described, including ac and pulsed eddy-current testing, magnetic flux leakage testing, passive magnetic fluid leakage for characterization of material degradation, and various inversion techniques are presented.
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References
A nonlinear eddy-current integral formulation for moving bodies
TL;DR: In this paper, an integral formulation for the calculation of the eddy-current problems in moving conductors in the presence of magnetic media is presented, where the quasistationary Maxwell equations are written in local reference frames associated with moving bodies.
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An Iterative Method for Solution of Networks of Nonlinear Monotone Resistors
J. Katzenelson,L. Seitelman +1 more
TL;DR: In this article, the authors describe and prove convergence of a direct iteration method for solving networks composed of independent sources and nonlinear resistors, each of whose resistors has a continuous monotonically increasing characteristic with slope bounded from above and below by positive constants.
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