Complementary perfectly matched layers to reduce reflection errors

Jian Ming Jin; Xin Qing Sheng; Weng Cho Chew

doi:10.1002/(SICI)1098-2760(19970405)14:5<284::AID-MOP9>3.0.CO;2-9

Complementary perfectly matched layers to reduce reflection errors

Jian Ming Jin^*, Xin Qing Sheng, Weng Cho Chew

^*Corresponding author for this work

University of Illinois at Urbana-Champaign

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A new approach is proposed to reduce the reflection error of a perfectly matched layer (PML) in the frequency-domain finite-element solution of electromagnetics problems. The approach is based on the complementary nature of a PML backed by a perfect electric conductor (PEC) and one backed by a perfect magnetic conductor (PMC). By averaging the solutions obtained by PEC- and PMC-backed PML, the error is reduced by 20 log|R| dB, where R is the reflection coefficient of the PEC- or PMC-backed PML. Numerical results are presented to demonstrate the accuracy of the complementary PMLs.

Original language	English
Pages (from-to)	284-287
Number of pages	4
Journal	Microwave and Optical Technology Letters
Volume	14
Issue number	5
DOIs	https://doi.org/10.1002/(SICI)1098-2760(19970405)14:5<284::AID-MOP9>3.0.CO;2-9
Publication status	Published - 5 Apr 1997
Externally published	Yes

Keywords

Absorbing boundary condition
Finite-element method
Perfectly matched layer

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10.1002/(SICI)1098-2760(19970405)14:5<284::AID-MOP9>3.0.CO;2-9

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AU - Jin, Jian Ming

AU - Sheng, Xin Qing

AU - Chew, Weng Cho

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N2 - A new approach is proposed to reduce the reflection error of a perfectly matched layer (PML) in the frequency-domain finite-element solution of electromagnetics problems. The approach is based on the complementary nature of a PML backed by a perfect electric conductor (PEC) and one backed by a perfect magnetic conductor (PMC). By averaging the solutions obtained by PEC- and PMC-backed PML, the error is reduced by 20 log|R| dB, where R is the reflection coefficient of the PEC- or PMC-backed PML. Numerical results are presented to demonstrate the accuracy of the complementary PMLs.

AB - A new approach is proposed to reduce the reflection error of a perfectly matched layer (PML) in the frequency-domain finite-element solution of electromagnetics problems. The approach is based on the complementary nature of a PML backed by a perfect electric conductor (PEC) and one backed by a perfect magnetic conductor (PMC). By averaging the solutions obtained by PEC- and PMC-backed PML, the error is reduced by 20 log|R| dB, where R is the reflection coefficient of the PEC- or PMC-backed PML. Numerical results are presented to demonstrate the accuracy of the complementary PMLs.

KW - Absorbing boundary condition

KW - Finite-element method

KW - Perfectly matched layer

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EP - 287

JO - Microwave and Optical Technology Letters

JF - Microwave and Optical Technology Letters

IS - 5

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Complementary perfectly matched layers to reduce reflection errors

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Keywords

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