OGS Hackathon on 15 May 2025 in Leipzig

On 15 May 2025, there will be the second OGS hackathon. This event is open to all: from novice users to
experienced modellers and developers! Spend the day collaborating on new OGS
features/tools/documentation/…
All in close contact to your fellow co-hackers and the OGS core dev team.
Right afterwards we’ll have a barbecue at the UFZ.

You can work on your own topics or help the core team with some of their ideas,
which are:

  • revisiting OGS Python BCs (your input is required: which features are
    missing? test cases are welcome)
  • extending OGSTools
  • finishing/improving OGS benchmarks and Jupyter notebooks
  • closing documentation gaps
  • improving OGS build times (C++, CMake, clang)
  • C++ standard upgrade
  • providing better error messages for errors in OGS inputs
  • collecting and fixing the most annoying usability sins

If you are planning to participate, please let us know: [email protected].

We are looking forward to hack with you at the hackathon!
If you cannot come to Leipzig, there will be the possibility to participate remotely.

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We’ll start around 9:00 with some coffee and tea, take a lunch break from 12:00 to 13:00, and begin the BBQ around 16:00. The BBQ will continue into the evening with no set end time.

For updated information:

Multi-page search on opengeosys.org (prototype):

Merge request:

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Piecewise linear interpolation for multipliers for iteration based time stepping:
[NumLib] use piecewise linear interpolation for multipliers of iteration based time stepping scheme (!5318) · Merge requests · ogs / ogs · GitLab

Debugging OGS with VS code - updating the documentation


TH2M central difference jacobian tests. Still few todos open but the start has been made thanks to JPK!

Julian Heinze:
OGSTools / Feflow Converter MR for:
Heterogeneous material for vector properties (specific for permeability / KF)
incl. bug fix for deactivated subdomain with MaterialID=0

New McWorther notebook by Jan T. (draft):