Title :
An unconditionally-stable FDTD method based on split-step scheme for solving three-dimensional maxwell equations
Author :
Kong, Yong-Dan ; Chu, Qing-Xin
Author_Institution :
Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou
Abstract :
A new split-step finite-difference time-domain (FDTD) method for solving three-dimensional Maxwell´s equations is presented, which is proven to be unconditionally-stable and has simpler procedure formulation than the operator splitting (OS) FDTD method based on exponential evolution operator scheme. The proposed method has the new splitting forms along the x, y and z coordinate directions to reduce computational complexity and the second-order accuracy in both time and space. In the application of a cavity, the proposed method produces 35% reduction of the run time than the split-step (SS)-FDTD (2, 2) method.
Keywords :
Maxwell equations; computational electromagnetics; finite difference time-domain analysis; mathematical operators; 3D Maxwell equations; FDTD method; exponential evolution operator scheme; finite-difference time-domain method; split-step scheme; Computational complexity; Dielectric materials; Electromagnetic fields; Finite difference methods; Maxwell equations; Permeability; Permittivity; Time domain analysis; Crank Nicolson scheme; FDTD; split-step scheme; unconditionally-stable;
Conference_Titel :
Microwave and Millimeter Wave Technology, 2008. ICMMT 2008. International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-1879-4
Electronic_ISBN :
978-1-4244-1880-0
DOI :
10.1109/ICMMT.2008.4540338
