Dam break over a sill
Does the model handle a flood wave overtopping a hump and draining back?
Soares-Frazão (2007)
Version 0.1.0
- Right answer
- Laboratory or field measurements · Soares-Frazão (2007)
- Results
- No model run yet · see them ↓
- Must
- match the gauge records
What happens
A dam-break wave runs over a triangular sill, partly reflects, and leaves water trapped behind it.
Why it matters
Embankments and levees are overtopped exactly like this.
A good model must
- match the gauge records
- place the flood front within 10 cm
How models did
No model has been scored on this test yet.
Status of this test
Draft. To become candidate it needs: data licence verified; all inputs available; reference (truth) available.
Technical details for reviewers Checks, reference, inputs, sources
What this test still needs
- inputs/bathymetry.tif: Triangular-sill flume geometry (Soares-Frazão 2007, CADAM); terms not confirmed. Source: Université catholique de Louvain (Soares-Frazão)
- Reference data: pending license.
Checks and why each limit was chosen
| Check | Difference measured as a percentage of | Latest | Difference | Why this check |
|---|---|---|---|---|
| gauge_NSE NSE of h · skill score, beside the score | not a percentage: reported as the NSE (1 is perfect) | – | NSE vs laboratory gauges ≥ 0.6 within measurement uncertainty. | |
| front front_position_error of h · in the score | already a percentage | – | Wet/dry front position within 0.1 m of lab imagery / gauges. |
Reference
Measured data at reference/measurements.parquet; availability: pending license.
Promotion checklist
Only frozen tests have fixed inputs and answers. This list is computed from the manifest and the published score cards; the rules are in the method.
- ✗Data licence verifiedfor candidatelicence not yet confirmed by the rights holder
- ✗All inputs availablefor candidatepending: inputs/bathymetry.tif
- ✗Reference (truth) availablefor candidatemeasured data not yet obtained (pending license)
- ✓Every tolerance justifiedfor candidateeach gating criterion has a rationale
- ✗A published run passesfor frozenno passing score card published yet
- ✓Order of accuracy shownfor frozennot a verification case
- ✗Two independent codes passfor frozenpassing codes: none — needs a second, independently written solver or engine
- ✗Maintainer review recordedfor frozenno maintainer review recorded
Inputs
| File | Role | Format | SHA-256 | Get it |
|---|---|---|---|---|
inputs/bathymetry.tif | terrain | tif | pending Triangular-sill flume geometry (Soares-Frazão 2007, CADAM); terms not confirmed. |
About this test
Physics
CADAM / IMPACT laboratory dam-break and urban inundation benchmark.
Citation
Soares-Frazão, S. (2007). "Experiments of dam-break wave over a triangular bottom sill." https://doi.org/10.1080/00221686.2007.9521829
License
TBD-confirm — blocked from promotion past draft until CADAM/IMPACT
redistribution terms are confirmed.
Sources
- Soares-Frazão, S. (2007). Experiments of dam-break wave over a triangular bottom sill. doi:10.1080/00221686.2007.9521829
Test A2L-020_triangular_sill_wetdry · version 0.1.0 · data licence TBD-confirm