OpenHydro Bench
Measured in a lab or the field2D · free surfaceDraft: needs data

Dam break through a model city

Does the model route a flood through streets correctly?

Test A2L-010
Soares-Frazão (2008)
Version 0.1.0
Right answer
Laboratory or field measurements · Soares-Frazão (2008)
Results
No model run yet · see them ↓
Must
match the gauge records
Sketch, not to scale.

What happens

A laboratory dam break floods a grid of model buildings; depths were measured in the streets.

Why it matters

Urban flood models must handle buildings, street junctions and fast flow between them.

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: UCLouvain idealised-city flume geometry (Soares-Frazão & Zech 2008); terms not confirmed. Source: Université catholique de Louvain (Soares-Frazão)
  • Reference data: pending license.

Checks and why each limit was chosen

CheckDifference measured as a percentage ofLatestDifferenceWhy 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

FileRoleFormatSHA-256Get it
inputs/bathymetry.tifterraintifpending
UCLouvain idealised-city flume geometry (Soares-Frazão & Zech 2008); terms not confirmed.

About this test

Physics

CADAM / IMPACT laboratory dam-break and urban inundation benchmark.

Citation

Soares-Frazão, S., Zech, Y. (2008). "Dam-break flow through an idealised city." https://doi.org/10.3826/jhr.2008.3164

License

TBD-confirm — blocked from promotion past draft until CADAM/IMPACT redistribution terms are confirmed.

Sources

Test A2L-010_idealised_city_dambreak · version 0.1.0 · data licence TBD-confirm