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Erschienen in:
2024 | OriginalPaper | Buchkapitel
Iterative Charge-Update Schemes for Electro-quasistatic Problems
verfasst von : Fotios Kasolis, Marvin-Lucas Henkel, Markus Clemens
Erschienen in: Scientific Computing in Electrical Engineering
Verlag: Springer Nature Switzerland
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Abstract
The electric scalar potential electro-quasistatic field formulation is commonly employed for simulating nonlinear high-voltage problems. To this end, standard iterative nonlinear solvers, such as fixed-point iterations and Newton’s method, are used. Here, iterative charge update schemes that possess a constant coefficient matrix throughout the nonlinear iterations are developed, abstract convergence conditions are proved and numerically verified for the fundamental frequency, while their suitability and performance is assessed, in terms of accuracy and computational complexity.