Optimized Operator-Splitting Methods in Numerical Integration of Maxwell's Equations

Table 2

Comparison of results for FDTD(2, 2) and (4, 4) scheme.

	FDTD(2, 2)	(4, 4)
Physical time	200 ns	200 ns
CFL	0.5	0.6
Time step	83.33 ps	200 ps
Spatial step	0.05 m	0.1 m
No. of steps	2400	1000
Total run time	184 sec	131 sec
Average CPU time/step	0.0766 sec	0.1310 sec
Error	1.5920	0.5107