Research Article

Implementation of the stretched co-ordinate-based PML for waveguide structures in TLM

  1. Tae-Weon Kang1,*,
  2. Christos Christopoulos2,
  3. John Paul2

Article first published online: 14 DEC 2004

DOI: 10.1002/jnm.564

Issue

International Journal of Numerical Modelling: Electronic Networks, Devices and Fields

International Journal of Numerical Modelling: Electronic Networks, Devices and Fields

Volume 18, Issue 2, pages 107–118, March/April 2005

Additional Information

How to Cite

Kang, T.-W., Christopoulos, C. and Paul, J. (2005), Implementation of the stretched co-ordinate-based PML for waveguide structures in TLM. Int. J. Numer. Model., 18: 107–118. doi: 10.1002/jnm.564

Author Information

  1. 1

    Electromagnetics Group, Division of Electromagnetic Metrology, Korea Research Institute of Standards and Science (KRISS), Yusong, Daejeon 305-600, Republic of Korea

  2. 2

    The George Green Institute for Electromagnetics Research, School of Electrical and Electronic Engineering, University of Nottingham, Nottingham NG7 2RD, U.K.

*Electromagnetics Group, Division of Electromagnetic Metrology, Korea Research Institute of Standards and Science (KRISS), Yusong, Daejeon 305-600, Republic of Korea

Publication History

  1. Issue published online: 7 FEB 2005
  2. Article first published online: 14 DEC 2004
  3. Manuscript Accepted: 1 AUG 2004
  4. Manuscript Revised: 15 DEC 2003
  5. Manuscript Received: 15 AUG 2003

Funded by

  • Korea Science and Engineering Foundation

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Keywords:

  • perfectly matched layer;
  • stretched co-ordinate;
  • transmission-line modelling;
  • Z-transform method;
  • waveguide

Abstract

A novel implementation of the stretched co-ordinate-based perfectly matched layer (SCB PML) is presented to terminate waveguide structures in transmission-line modelling (TLM). A generalized SCB PML, the complex frequency shifted PML (CFS PML) is also implemented to investigate its performance for evanescent waves. State variables in the Z-domain are employed to obtain update equations for incident voltage pulses. Numerical results for a rectangular waveguide filled with a lossy medium as well as free space, and for a parallel plate waveguide are presented. Copyright © 2004 John Wiley & Sons, Ltd.

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