SWMM 5.1.15 previous release
EPA SWMM 5.1.15, the release before 5.2: on the parity tests compared with SWMM 5.2.4, on the exact tests scored like any other engine.
Scored for compatibility with the current release, not for physics. Ran 15 tests; worked examples and previous releases are shown beside the leaderboard, not ranked on it. Score cards from: EPA SWMM 5.1.15.
| 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 |
| 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 |
| 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 |
| Standing hydraulic jump A1F-020 | #7= 102 % off of 9 models | • Depth profile 102 % off; · Jump stays put 29 % error |
| Calm flow over a hump A1F-040 | #9= 174 % off of 12 models | • Average depth error 1.45 m off; • Average flow error 7.71 m²/s off |
| Flow speeding up over a hump A1F-041 | #11= 189 % off of 12 models | • Average depth error 56 cm off; • Average flow error 2.89 m²/s off |
| Hump with a hydraulic jump A1F-042 | #11= 322 % off of 12 models | • Average depth error 29 cm off; • Average flow error 0.579 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 |
| Sewer network routing B-EXTRAN-001 | #1= under 0.01 % off of 4 models | • Peak depths 0 % off; • Volumes 0 % off |
| Pump station switched by rules B-RTC-001 | #1 under 0.01 % off of 4 models | • Peak depths 0 % off; • Volumes 0 % off; · Timing 0 s off |