PML-FDTD in cylindrical and spherical grids

F. L. Teixeira, W. C. Chew

Research output: Contribution to journalArticlepeer-review

Abstract

Perfectly matched layers (PML's) are derived for cylindrical and spherical finite-difference time-domain (FDTD) grids. The formulation relies on the complex coordinate stretching approach. Two-dimensional (2-D) cylindrical and three-dimensional (3-D) spherical staggered-grid FDTD codes are written based on the time-domain versions of the equations. Numerical simulations validate the formulation by showing very good agreement between the perfectly matched layer-finite-difference time-domain (FDTD) results and the free-space analytic solutions.

Original languageEnglish (US)
Pages (from-to)285-287
Number of pages3
JournalIEEE Microwave and Guided Wave Letters
Volume7
Issue number9
DOIs
StatePublished - Sep 1997

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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