A Dynamic Energy-Based Hysteresis Model for Pulsed-Operated Fast-Ramping Magnets
Computational Engineering, Finance, and Science
2025-09-05 v1
Abstract
Due to the strongly nonlinear behavior of ferromagnetic yokes, the numerical analysis of fast-ramping magnets is highly cumbersome and, therefore, in practice overly simplified by means of anhysteretic material descriptions and a posteriori loss formulae. This paper establishes the use of a dynamic ferromagnetic model combining a preconditioned energy-based hysteresis description and a thin-sheet eddy-current model in time-domain. The model was successfully employed in the analysis of a normal-conducting bending magnet in order to precisely calculate losses and fields.
Cite
@article{arxiv.2509.04115,
title = {A Dynamic Energy-Based Hysteresis Model for Pulsed-Operated Fast-Ramping Magnets},
author = {Dominik Moll and Laura A. M. D'Angelo and Herbert De Gersem and Fulvio Boattini and Luca Bottura and Marco Gast},
journal= {arXiv preprint arXiv:2509.04115},
year = {2025}
}