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Convergence performance and computational cost comparison between pressure-based (PB) and density-based (DB) solvers at PR = 4 (identical mesh and hardware conditions).
| Solver | Total iterations | Residual threshold | CPU time (min) | Average time per 1000 iterations (min) |
|---|---|---|---|---|
| Pressure-Based (PB) | 10,000 | 1 × 10⁻⁸ | 118 | 11.8 |
| Density-Based (DB) | 10,000 | 1 × 10⁻⁸ | 151 | 15.1 |
