Comparison Study on the Performances of Finite Volume Method and Finite Difference Method

Table 5

Computation iterations and time of FVM and FDM in second-order central difference scheme for vorticity-stream function algorithm of lid driven flow.

Mesh	α	FVM			FDM
		Iterations	Time(s)	Time of each iteration	Iterations	Time(s)	Time of each iteration
20	0.2	4950	73.8	0.015	2100	30.7	0.015
20	0.1	10500	154.4	0.015	4300	61.6	0.014
40	0.6	3250	151.9	0.047	4350	199.3	0.046
40	0.5	4450	203.5	0.046	5800	262.9	0.045
40	0.4	6300	296.3	0.047	7950	369.3	0.046
80	0.8	4950	822.3	0.166	5050	858.4	0.170
80	0.6	8500	1413.4	0.166	9000	1539.5	0.171
80	0.4	17250	2969.4	0.172	17750	3242.0	0.183