Incompressible Fluids Simulation by Relaxing the Density-Invariant Condition in a Marine Simulator

Table 2

Performance comparison of PBF and our approach using different time step for a breaking dam, when the maximum density error was set to 0.1%.

	PBF			our approach			PBF / our approach
		time			time		speedup
	avg. iter.	solver	total	avg. iter.	solver	total	avg. iter.	solver	total
0.001	2.0	35.4	68.4	2.0	32.1	62.5	1.0	1.1	1.1
0.002	2.6	50.2	80.9	2.1	37.3	65.2	1.2	1.3	1.2
0.003	3.8	75.2	106.4	2.7	48.2	74.6	1.4	1.6	1.4
0.004	4.9	95.6	122.4	3.3	59.6	85.6	1.5	1.6	1.4
0.005	5.8	113.4	140.5	4.0	71.3	95.7	1.5	1.6	1.5
0.006	6.8	131.4	158.7	4.4	78.4	104.1	1.5	1.7	1.5
0.007	7.5	151.2	174.2	4.7	81.5	109.9	1.6	1.9	1.6