LISFLOOD-FP 8.3 · DG2
LISFLOOD-FP 8.3, second-order discontinuous Galerkin solver.
Production software, installed from its official source and run by the suite with its defaults, except the settings each card names. Rank #1 on the leaderboard, OpenHydro rating 1139 (95 % interval 1066 to 1215) over 13 tests; median difference 0.03 %. Score cards from: LISFLOOD-FP 8.3 DG2.
| Test | Difference, rank | Checks |
|---|---|---|
| Gentle backwater in a channel A1F-001 | #9= 0.022 % off of 15 models | • Average depth error 0.2 mm off; · Water conserved 0.022 % error |
| Dam break onto dry ground A1F-010 | #6= 1.4 % off of 20 models | • Flood front 5.45 m behind exact; · Water conserved < 0.0001 % error |
| Dam break into shallow water A1F-011 | #7= 0.22 % off of 20 models | • Average depth error 1.2 mm off; · Water conserved 0.016 % error |
| Calm flow over a hump A1F-040 | #2= 0.03 % off of 12 models | • Average depth error 0.58 mm off; • Average flow error 0.000951 m²/s off |
| Flow speeding up over a hump A1F-041 | #4= 0.17 % off of 12 models | • Average depth error 1.1 mm off; • Average flow error 0.000402 m²/s off |
| Hump with a hydraulic jump A1F-042 | #4= 0.2 % off of 12 models | • Average depth error 0.67 mm off; • Average flow error 0.000288 m²/s off |
| Still lake around an island A1F-043 | #1= under 0.01 % off of 13 models | • Worst velocity error < 0.0001 m/s off; • Average depth error 0.0055 mm off |
| Water sloshing in a bowl A2A-001 | #5= 0.18 % off of 9 models | • Average depth error 0.057 mm off; · Water conserved 0.00079 % error |
| Steady flow over a shaped bed A2A-010 | #7= 0.021 % off of 12 models | • Average depth error 0.19 mm off; · Water conserved 0.021 % error |
| Flooding a cut-off pond A2C-EA1 | #4 1.7 % off of 10 models | • Pond level, point 1 4.2 mm off; • Pond level, point 2 4.2 mm off; • Peak level 0.5 mm off |
| Filling floodplain hollows A2C-EA2 | #1= under 0.01 % off of 10 models | • Water conserved < 0.0001 % off |
| Flood spreading over a floodplain A2C-EA4 | #1= under 0.01 % off of 10 models | • Water conserved < 0.0001 % off |
| Valley flooding A2C-EA5 | #1= under 0.01 % off of 10 models | • Water conserved 0 % off |