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

页码：1839 / 1847

页数：9

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