GRANUM EDUCATION EDITION - LICENCE
Version 1.0, October 2026

Copyright (c) 2026 Sompote Youwai, King Mongkut's University of Technology Thonburi (KMUTT).

1. Grant. You may install and use the Granum Education edition free of charge for teaching,
   for learning and for non-commercial academic research at a school, college or university.

2. Not permitted. You may not use the Education edition, or its reports, pictures, animations
   or results, for commercial work, consulting, design of real structures for a fee, or any
   work done for a client. You may not remove or hide the Education watermark, sell or rent the
   software, or redistribute it outside your own course or research group.

3. Limits. The Education edition limits a model to 50,000 particles, calculates on the local
   computer only, and marks its reports and pictures as Education output. An Academic Research
   licence without the particle limit, and a Professional licence for commercial use, are
   available on request from tellusfem@gmail.com.

4. Citation. If you publish work that uses Granum, please cite:
   Youwai, S. (2026). Granum: an agentic, GPU-accelerated discrete element program for soil.
   Zenodo. https://doi.org/10.5281/zenodo.23652515

5. No warranty. The software is provided "as is", without warranty of any kind. The authors are
   not liable for any claim or damage arising from its use. Results of numerical models must be
   checked by a qualified engineer before they inform any decision.

6. Termination. This licence ends automatically if you break its terms.