An Efficient Three-Stage Split-Step Precise Integration Time-Domain Method for Solving Maxwell's Equations

被引：0
作者：
Chi, Mingjun [1 ]
Ma, Xikui [1 ]
Ma, Liang [1 ]
Xiang, Ru [1 ]
Zhu, Xiaojie [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
[2] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, I-20133 Milan, Italy
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 12期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Accuracy; Time-domain analysis; Numerical stability; Dispersion; Thermal stability; Taylor series; Maxwell equations; Finite difference method; precise-integration time-domain (PITD) method; split-step (SS) scheme; NUMERICAL-SOLUTION; REALIZATION; SCATTERING; STABILITY;
D O I：
10.1109/LAWP.2024.3465033
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：
Based on a split-step scheme with second-order accuracy, a three-stage split-step precise-integration time-domain (SS2-PITD) method is proposed for solving Maxwell's equations. The SS2-PITD method has a better performance in computational accuracy and efficiency than the original split-step precise-integration time-domain method. The numerical stability condition of the SS2-PITD method is analytically given, showing that the time step size in SS2-PITD can be much larger than the Courant-Friedrichs-Lewy upper limit. To simulate open region problems, the convolutional perfectly matched layer is extended to the SS2-PITD method. Finally, numerical examples are performed to show the effectiveness of the proposed method.
引用
收藏
页码：4668 / 4672
页数：5
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