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A Complex Domain Mapping of the SCN for an Effective PML Implementation in TLM
IEEE Open Journal of Antennas and Propagation Pub Date : 2020-04-08 , DOI: 10.1109/ojap.2020.2986293
Jomiloju S. Odeyemi; Ana Vukovic; Trevor M. Benson; Phillip D. Sewell

An improved implementation of the perfectly matched layer (PML) is developed for the Transmission Line Modelling (TLM) method based on a mapping of the symmetrical condensed node (SCN) to an analytically extended geometric space. By mapping the TLM node, a medium – circuit equivalence is developed which maps transmission line parameters from real to complex domain. This consequently modifies the TLM scatter-connect process. The PML implementation is demonstrated for canonical cases where it is shown to have a comparable absorption performance and a significantly improved temporal stability relative to previously published TLM-PML formulations.
更新日期:2020-04-08

 

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