Effect of stability factor on FDTD numerical calculation

  • Jun Li*
  • , Zhenbo Wu
  • , Zhe Wu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The function of stability factor was discussed in FDTD (finite-difference time-domain) calculation. Modification formula of two-order Mur condition including stability factor was derived. As an example for line source, effects of stability factor on absorbing boundary capability and numerical stability were studied. Plane wave was added to three-dimensional calculation space as soft excitation source. The variety of RCS (radar cross section) and convergence performance with stability factor was computed. The results show that increasing temporal increment is favorable for satisfying numerical stability condition.

Original languageEnglish
Pages (from-to)70-73
Number of pages4
JournalBeijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics
Volume30
Issue number1
StatePublished - Jan 2004

Keywords

  • Finite-difference time-domain
  • Stability condition
  • Stability factor

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