Title :
A simple implicit and unconditionally stable FDTD method by changing only one time instant
Author :
Gaffar, Md ; Jiao, Dan
Author_Institution :
Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA
Abstract :
This paper presents a simple implicit FDTD method that is unconditionally stable. This method only requires the change of one time instant in the Yee´s algorithm to achieve the unconditional stability which is both theoretically proved and numerically verified. The resultant time step can be orders of magnitude larger than the time step allowed by the CFL condition without sacrificing the accuracy.
Keywords :
finite difference time-domain analysis; stability; CFL condition; Yee algorithm; one time instant changing; resultant time step; simple implicit FDTD method; unconditional stability; Accuracy;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE
Conference_Location :
Memphis, TN
Print_ISBN :
978-1-4799-3538-3
DOI :
10.1109/APS.2014.6904693
