Table 5
Average relative error of pressure at the outlet in the gentle periods (%).
Δt = 600 s | Δt = 300 s | Δt = 120 s | Δt = 60 s | Δt = 6 s | Adaptive time step | |
---|---|---|---|---|---|---|
Δx = 2 km | 3.5225 | 3.5264 | 3.5279 | 3.5281 | 3.4421 | 3.5224 |
Δx = 1 km | 1.4777 | 1.4791 | 1.4797 | 1.4799 | 1.4380 | 1.4744 |
Δx = 0.5 km | 0.6525 | 0.6530 | 0.6535 | 0.6536 | 0.6535 | 0.6256 |
Δx = 0.2 km | 0.2158 | 0.2163 | 0.2167 | 0.2169 | 0.2175 | 0.2105 |
Δx = 0.1 km | 0.0438 | 0.0437 | 0.0436 | 0.0436 | 0.0436 | 0.0468 |
Adaptive spatial grid | 0.2985 | 0.2176 | 0.2195 | 0.2178 | 0.2167 | 0.2419 |