Implementation of Higher-Order CPML on the HIE-FDTD Methods

被引：3
|
作者：
Pandey, Ankit Kumar [1 ]
Saxena, Alok Kumar [1 ]
机构：
[1] Indian Inst Technol Jammu, Dept Elect Engn, Jammu 181221, India
来源：
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2023年 / 65卷 / 06期
关键词：
Time-domain analysis; Boundary conditions; Convolution; Stability analysis; Mathematical models; Finite difference methods; Soil; Convolutional perfectly matched layers (CPML); finite-difference time-domain (FDTD); hybrid implicit-explicit (HIE) scheme; leapfrog FDTD; weakly conditional stability (WCS) FDTD; PERFECTLY MATCHED LAYER; CONVOLUTION PML CPML; HYBRID IMPLICIT; ABSORPTION;
D O I：
10.1109/TEMC.2023.3316709
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：
In this article, higher order convolutional perfectly matched layers (HO-CPML) boundary conditions are implemented on the conventional and leapfrog hybrid implicit-explicit finite-difference time-domain (HIE-FDTD) methods. The HO-CPML is developed using the efficient recursive convolution approach. The proposed implementations are validated through simulation results, and both methods exhibit low reflection errors compared to their corresponding first-order implementations. Furthermore, the proposed implementations demonstrate lower reflection errors than the first- and HO-CPML implementations on the improved HIE-FDTD method.
引用
收藏
页码：1839 / 1847
页数：9
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