Abstract
The application of finite-difference time-domain methods to the analysis of structures having curved boundaries is a long-standing problem. Traditionally, either the staircasing approximation which is simple but inaccurate, or the generalised nonorthogonal grids which are accurate but complex have been used. In this article a novel approach is presented which combines the efficiency of the Cartesian mesh with the accuracy of the conformal grid. Results are presented for some example structures which are in good agreement with other methods
| Translated title of the contribution | Efficient and accurate FDTD algorithm for the treatment of curved material boundaries |
|---|---|
| Original language | English |
| Pages (from-to) | 382 - 388 |
| Number of pages | 7 |
| Journal | IEE Proceedings - Microwaves, Antennas and Propagation |
| Volume | 144 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - Oct 1997 |
Bibliographical note
Publisher: Institution of Electrcial Engineers (IEE)Rose publication type: Journal article
Keywords
- FDTD methods
- curved boundaries
- electromagnetic structures