High-Frequency Modeling of Granular Soft Magnetic Materials With Local Model Order Reduction

被引：0
|
作者：
Marjamaki, Antero [1 ]
Schneckenleitner, Rainer [1 ]
Elkhadrawy, Reda [1 ]
Rasilo, Paavo [1 ]
机构：
[1] Tampere Univ, Elect Engn Unit, Tampere 33014, Finland
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2024年 / 60卷 / 03期
基金：
欧洲研究理事会;
关键词：
Mathematical models; Computational modeling; Read only memory; Ferrites; Magnetic cores; Finite element analysis; Soft magnetic materials; Domain decomposition; model order reduction; soft magnetic materials;
D O I：
10.1109/TMAG.2023.3319830
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A full-wave electromagnetic field equation in a cross section of a ferrite core, modeled as an array of grains, is solved with the finite element (FE) method utilizing local model order reduction (LMOR) techniques. With the traditional FE method and a high number of grains, the resulting system becomes resource-intensive. The reduced approach greatly decreases the amount of degrees of freedom (DOFs) and the computational time for solving the resulting system.
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页数：4
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