Time-synchronized convolutional perfectly matched layer for improved absorbing performance in FDTD

Giannakis, Iraklis and Giannopoulos, Antonios (2015) Time-synchronized convolutional perfectly matched layer for improved absorbing performance in FDTD. IEEE Antennas and Wireless Propagation Letters, 14. pp. 690-693. ISSN 1536-1225

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Abstract

A performance-enhancing modification to the convolutional perfectly matched layer (CPML) technique for implementing the complex frequency-shifted perfectly matched layer (CFS-PML) absorbing boundary condition is presented. By adopting this modification, an apparent discrepancy in the time synchronization between the CPML and the main finite-difference time-domain (FDTD) algorithm is resolved. This is achieved by employing a semi-implicit approach that synchronizes CPML with the main FDTD algorithm. It is shown through 2-D and 3-D numerical examples that the suggested modification to the CPML algorithm increases its performance without increasing its computational cost.

Item Type: Article
Subjects: Construction and engineering > Electrical and electronic engineering
Computing
Depositing User: Iraklis Giannakis
Date Deposited: 18 May 2018 09:38
Last Modified: 18 May 2018 10:51
URI: http://repository.uwl.ac.uk/id/eprint/5023

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