Title :
On the divergence properties of the new efficiency-improved divergence preserved ADI-FDTD method
Author :
Shunchuan Yang ; Chen, Zhizhang David ; Yiqiang Yu ; Ponomarenko, S.
Author_Institution :
Dept. of Electr. & Comput. Eng., Dalhousie Univ., Halifax, NS, Canada
Abstract :
In this paper, the new efficiency-improved divergence preserved ADI-FDTD method and its divergence property is presented. The efficiency-improved method is analytically proven to retain the expected divergence-free property while having approximately 41.7% fewer floating point operation counts in comparison with the original divergence-preserved ADI-FDTD method. Numerical example is provided to verify the theoretical proof. This work complements the theoretical foundation around the new efficiency-improved unconditionally stable ADI-FDTD method useful for modeling spatially highly resolved regions.
Keywords :
finite difference time-domain analysis; floating point arithmetic; ADI-FDTD method; divergence properties; floating point operation; new efficiency improved divergence; Abstracts; Antennas; Cavity resonators; Computational efficiency; Finite difference methods; Indexes; Noise; ADI-FDTD; divergence free; divergence preservation; fundamental scheme;
Conference_Titel :
Microwave Symposium Digest (IMS), 2013 IEEE MTT-S International
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4673-6177-4
DOI :
10.1109/MWSYM.2013.6697493
