A Higher-Order Perfectly Matched Layer for Open-Region, Waveguide, and Periodic Electromagnetic Problems

In this dissertation the idea of a higher-order perfectly matched layer (PML) is proposed. Using a metric coefficient that includes both the regular and the complex frequency shifted (CFS) PMLs, it is possible to obtain a PML that includes the advantages of both of them. The second-order PML is applied to waveguide, periodic, and open-region electromagnetic problems and its performance is compared to the regular's and the CFS-PML's performance. The second-order PML outperforms both and its performance is proved to be independent of the formulation or the simulation technique, since the same behavior was observed using a stretched-coordinate approach in finite-difference timedomain and uniaxial PML in time-domain finite-element method.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Electrical and Computer Engineering

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2015

Author dc:creator

• Correia, Davi

Contributors dc:contributor

• Jin, Jianming

• Engineering, Electronics and Electrical

Language dc:language

eng

Identifier

(MiAaPQ)AAI3250229

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/80994