Time-domain finite-element modeling of dispersive media

Dan Jiao, Jian Ming Jin

Research output: Contribution to journalLetterpeer-review


A general formulation is described for time-domain finite-element modeling of electromagnetic fields in a general dispersive medium. The formulation is based on the second-order vector wave equation and incorporates the dispersion effect of a medium via a recursively evaluated convolution integral. This evaluation is kept to second order in accuracy using linear interpolation within each time step. Numerical examples are given to validate the proposed formulation.

Original languageEnglish (US)
Pages (from-to)220-222
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number5
StatePublished - May 2001


  • Dispersive medium
  • Finite-element method

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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