OpenSWMM 6 dynamic wave
OpenSWMM Engine v6 (HydroCouple's SWMM 6, pre-release) with dynamic-wave routing.
Production software, installed from its official source and run by the suite with its defaults, except the settings each card names. Rank #4 on the leaderboard, OpenHydro rating 884 (95 % interval 691 to 1037) over 13 tests; median difference 0.33 %. Score cards from: OpenSWMM Engine v6 dynamic wave (6.0.0a4.dev1).
| Test | Difference, rank | Checks |
|---|---|---|
| Sewer pipes running part full A1D-001 | #2= 0.027 % off of 5 models | • Worst depth error 0.27 mm off; • Typical flow error < 0.0001 % off |
| Sewer pipes running full A1D-002 | #2= 0.034 % off of 5 models | • Worst depth error 0.4 mm off; • Typical flow error < 0.0001 % off |
| Tank emptying through an outlet A1D-003 | #3= 0.33 % off of 5 models | • Worst depth error 1.4 mm off; • Worst flow error < 0.0001 m³/s off |
| Pump working on its curve A1D-004 | #1= under 0.01 % off of 5 models | • Worst depth error < 0.0001 mm off; • Worst flow error < 0.0001 m³/s off |
| Backwater up a sewer A1D-005 | #1= 0.025 % off of 5 models | • Worst depth error 0.3 mm off; • Typical flow error < 0.0001 % off |
| Gentle backwater in a channel A1F-001 | #1= under 0.01 % off of 15 models | • Average depth error 0.022 mm off; · Water conserved 0.002 % error Identical, number for number, to EPA SWMM 5.2.4. |
| Dam break onto dry ground A1F-010 | #9= 11 % off of 20 models | • Flood front 41.2 m behind exact; · Water conserved 0.036 % error Identical, number for number, to EPA SWMM 5.2.4: OpenSWMM 6 keeps the original dynamic-wave solver, including the 9 m one-conduit spike near x = 1,126 m. |
| Dam break into shallow water A1F-011 | #17= 6.7 % off of 20 models | • Average depth error 3.7 cm off; · Water conserved 4.1 % error Identical, number for number, to EPA SWMM 5.2.4: OpenSWMM 6 keeps the original dynamic-wave solver. |
| Standing hydraulic jump A1F-020 | #7= 99 % off of 9 models | • Depth profile 99 % off; · Jump stays put 34 % error |
| Calm flow over a hump A1F-040 | #12 236 % off of 12 models | • Average depth error 1.86 m off; • Average flow error 10.4 m²/s off |
| Flow speeding up over a hump A1F-041 | #9= 165 % off of 12 models | • Average depth error 53 cm off; • Average flow error 2.52 m²/s off |
| Hump with a hydraulic jump A1F-042 | #9 194 % off of 12 models | • Average depth error 24 cm off; • Average flow error 0.349 m²/s off |
| Still lake around an island A1F-043 | #8= 0.047 % off of 13 models | • Worst velocity error 0.00047 m/s off; • Average depth error 0.012 mm off |
| Real sewer network, Odense A1F-100 | #1= 30 % off of 3 models | · Fit to measurements NSE -0.488; • Peak level 30 cm off |