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On numerical aspects of FDTD dispersive modeling using a quartic complex rational function
- Authors
- Ha, Sang-Gyu; Cho, Jeahoon; Kim, Eun-Ki; Jung, Kyung-Young
- Issue Date
- Mar-2015
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Citation
- 2015 International Workshop on Antenna Technology, iWAT 2015, pp.111 - 112
- Indexed
- SCOPUS
- Journal Title
- 2015 International Workshop on Antenna Technology, iWAT 2015
- Start Page
- 111
- End Page
- 112
- ISSN
- 0000-0000
- Abstract
- Recently, based on a 2-pole complex rational function, an accurate and efficient finite-difference time domain (FDTD) algorithm was introduced for many types of dispersive media. In this work, we consider a dispersive FDTD method using a quartic complex rational function (QCRF). It is of great importance to investigate two numerical aspects: The numerical accuracy and the numerical stability. Numerical examples are used to illustrate these numerical aspects of QCRF-FDTD.
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