Research Article
Incompressible Fluids Simulation by Relaxing the Density-Invariant Condition in a Marine Simulator
Table 3
Performance comparison of PBF and our approach using different time step for a breaking dam, when the maximum density error was set to 0.01%.
| | PBF | our approach | PBF / our approach | | | time | | time | speedup | | avg. iter. | solver | total | avg. iter. | solver | total | avg. iter. | solver | total |
| 0.001 | 5.8 | 111.6 | 147.0 | 3.8 | 66.7 | 98.3 | 1.5 | 1.7 | 1.5 | 0.002 | 11.7 | 237.4 | 271.3 | 7.0 | 130.5 | 158.5 | 1.7 | 1.8 | 1.7 | 0.003 | 13.8 | 275.9 | 316.5 | 7.5 | 137.5 | 167.5 | 1.8 | 2.0 | 1.9 | 0.004 | 14.5 | 289.2 | 313.6 | 7.5 | 133.0 | 158.3 | 1.9 | 2.2 | 2.0 | 0.005 | 15.6 | 300.9 | 331.0 | 7.5 | 130.0 | 156.4 | 2.1 | 2.3 | 2.1 | 0.006 | 16.9 | 326.2 | 351.7 | 7.7 | 131.8 | 158.8 | 2.2 | 2.5 | 2.2 | 0.007 | 17.8 | 345.6 | 371.9 | 7.8 | 131.1 | 159.7 | 2.3 | 2.6 | 2.3 |
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