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 language | English |
|---|---|
| Pages (from-to) | 70-73 |
| Number of pages | 4 |
| Journal | Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics |
| Volume | 30 |
| Issue number | 1 |
| State | Published - Jan 2004 |
Keywords
- Finite-difference time-domain
- Stability condition
- Stability factor
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