Numerical Stability Analysis of Space-Time Finite Integration Method Based on the Dependent Domain Concept

被引：0
|
作者：
Katsuki, Keinoshin [1 ]
Asahino, Shogo [1 ]
Mifune, Takeshi [1 ]
Matsuo, Tetsuji [1 ]
机构：
[1] Kyoto Univ, Grad Sch Engn, Kyoto 6158246, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2022年 / 58卷 / 09期
关键词：
Numerical stability; Power system stability; Stability criteria; Thermal stability; Electromagnetics; Three-dimensional displays; Propagation; Dependent domain; finite integration (FI) method; numerical stability; space-time grid; FORMULATION;
D O I：
10.1109/TMAG.2022.3164698
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 method for estimating the stability criterion in the space-time finite integration (FI) method using the subgrid technique was developed. Numerical- and analytical-dependent domains were compared to estimate the stability limit. Space-time subgrids locally refined with two, three, and four divisions were examined. The stability limit based on the proposed method almost agrees with that of the numerical experiment.
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收藏
页数：4
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