Table 3
Average relative error of pressure at the outlet in the severe periods (%).
Δt = 600 s | Δt = 300 s | Δt = 120 s | Δt = 60 s | Δt = 6 s | Adaptive time step | |
---|---|---|---|---|---|---|
Δx = 2 km | 7.2881 | 3.0739 | 1.3537 | 1.0751 | 1.0976 | 1.2854 |
Δx = 1 km | 7.2770 | 3.0874 | 1.0501 | 0.6204 | 0.4896 | 0.6206 |
Δx = 0.5 km | 7.2704 | 3.0621 | 1.0200 | 0.4819 | 0.2280 | 0.3250 |
Δx = 0.2 km | 7.2515 | 2.9862 | 1.0098 | 0.4695 | 0.0968 | 0.2779 |
Δx = 0.1 km | 7.2220 | 2.9307 | 0.9534 | 0.4509 | 0.0700 | 0.2501 |
Adaptive spatial grid | 7.2076 | 3.0420 | 1.0082 | 0.4607 | 0.1014 | 0.2498 |