An Improved PML Implementation In The Transmission Line Method

Odeyemi, J.S.; Vukovic, A.; Benson, T.M.; Sewell, P.

Abstract

A new framework for the development of the perfectly matched layer (PML) in the Transmission Line Modelling (TLM) method is demonstrated. The formulation is based on the stretched coordinate PML and involves the mapping of the TLM node to an analytically extended geometric domain. The implementation demonstrates the more stable second order discretization of the PML equations in TLM. The validity of the PML formulation is demonstrated on a canonical case of a metal waveguide and compared with an existing PML TLM scheme.

• Conference Name: Tenth International Conference on Computational Electromagnetics (CEM 2019)
• Conference Location: Edinburgh, UK
• Start Date: Jun 19, 2019
• End Date: Jun 20, 2019
• Acceptance Date: Mar 6, 2019
• Online Publication Date: Oct 1, 2019
• Publication Date: Oct 1, 2019
• Deposit Date: Jul 14, 2020
• Publicly Available Date: Jul 14, 2020
• Publisher: Institution of Engineering and Technology (IET)
• Book Title: Tenth International Conference on Computational Electromagnetics (CEM 2019)
• ISBN: 9781839530661
• DOI: https://doi.org/10.1049/cp.2019.0124
• Keywords: transmission line theory; waveguides
• Public URL: https://nottingham-repository.worktribe.com/output/4767444
• Publisher URL: https://digital-library.theiet.org/content/conferences/10.1049/cp.2019.0124
• Additional Information: This paper is a postprint of a paper submitted to and accepted for publication in Tenth International Conference on Computational Electromagnetics (CEM 2019) and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at the IET Digital Library.