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SFINCS v2.4.0 Galibier Release 2026.01

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@Leynse Leynse released this 15 Jun 16:04
· 1 commit to main since this release
v2.4.0_Galibier_release
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Learn about vigilant mode.

The first official 2026 release of SFINCS, the v2.4.0 Galibier release, ‘Generating Accurate Large-scale Inundation: Better Insights for Emergency Response’, is now available!

This contains open access to the source code from Github: https://github.com/Deltares/SFINCS/releases/tag/v2.4.0_Galibier_release.

As pre-compiled Windows executable:

https://download.deltares.nl/en/sfincs/

As Docker container:

docker pull deltares/sfincs-cpu:sfincs-v2.4.0-Galibier-Release

Changes:

  • The code consists of all functionality of the 2025.02 ‘v2.3.0 mt. Faber’ release, with the following main changes/additions:
  • Added option for timestep analysis (sfincs.inp: timestep_analysis = 1). Flag to write timestep limiter variables average_required_timestep and percentage_limiting_timestep to the sfincs_map.nc file and screen to analyse what cells are limiting the global timestep.
  • Quadtree netcdf output sfincs_map.nc files can now directly be loaded and visuallised in QGIS.
  • Added input variable ‘huvmin’, minimum depth for calculating velocity (uv = q / max(hu, huvmin)), used for output and advection.
  • Added input variable ‘snapwave_waveforces_factor’ which you can set to 0 to turn off wave forces and thus incident wave setup.
  • Made sfincs_his.nc file variables related to waves consistent with other variable (e.g. point_hm0), breaking change for post-processing scripts. Thanks to EgemenAnder for the commits!
  • Renaming of wavemaker related input variables (e.g. wavemaker_wvmfile), contains legacy variables for backward compatibility.
  • Added multiple validation tests in the renewed testbed report of the new quality control testbed version 2.0, now doubled in number of tests!
  • New Python setup tools HydroMT-SFINCS release > recommended to use this new version (v2.0.0) instead of the last release!

Bugfixes:

  • Fixed bug with Curve Number infiltration if storecumprcp = 0 (default).
  • Fixed bug with wavemakers, with waves forced from the north.
  • Fixed bug in old binary sbgfile for regular grid (legacy code).
  • Fixed bug in neumann boundary for sfincs (msk=6) for specific cases.
  • Fixed bug in SnapWave IG source term implementation, with thanks to Yasmine Elmessary.

Advanced user options - currently as alpha/beta functionality:

NOTE - please contact Deltares-SFINCS group in case you want to use any of this functionality.

  • Improvements of the integrated SnapWave solver for wave breaking, and resulting wave-induced setup, on steeper coasts.
  • Added vegetation effects in the integrated SnapWave solver.
  • Added option of forcing incident wave energy at wavemaker.
  • Added hyper-fast, but scandalous, bathtub option.
  • Improved GPU immplementation
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