unsatstab
Transient unsaturated infiltration and spatial slope-unit stability analysis.
unsatstab is a Python package for physics-based modelling of rainfall-induced slope instability. It couples a one-dimensional analytical solution for transient unsaturated infiltration with a storage-based water-table model and an infinite-slope factor-of-safety formulation. The same modelling framework can be applied to individual slope columns or extended to spatial analyses over geomorphological slope units.
Installation
Python 3.12 or newer is required. Install from the repository:
python -m pip install 'git+https://github.com/eamontoyaa/unsatstab.git'
Citing unsatstab
If you use unsatstab in a scientific publication or in a technical report, cite the associated methodological work:
Montoya-Araque, E. A., Ruiz, D. F., Castillo-Cardona, E., & Gamboa, M. (202X). unsatstab: a physics-based model for transient unsaturated infiltration and rainfall-induced slope stability at the slope-unit scale [journal paper under preparation].
Montoya-Araque, E. A., Ruiz, D. F., Castillo-Cardona, E., & Gamboa, M. (2026). Fragility Curves for the Probabilistic Analysis of Rainfall-Induced Landslides through Physics-Based Numerical Modeling. Manuscript prepared for the XIX Colombian Geotechnical Congress.
For reproducibility, also cite the exact unsatstab version or repository commit, along with parameter tables, rainfall-to-infiltration assumptions, and numerical controls.
License
The Python implementation is distributed under the MIT License. Its scientific foundations are cited in the documentation.
Authors
Copyright © 2026 Exneyder A. Montoya-Araque, Daniel F. Ruiz, Emanuel Castillo-Cardona, Universidad EAFIT.
1 maintainer
Metadata
1 maintainer
Release files for unsatstab 1.0.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
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| unsatstab-1.0.0.tar.gz | 5.6 MB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| unsatstab-1.0.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 5.7 MB
Release files / unsatstab-1.0.0.tar.gz
| Download URL | unsatstab-1.0.0.tar.gz |
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| Size | 5.6 MB |
| Tags | Source |
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Release files / unsatstab-1.0.0-py3-none-any.whl
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| Size | 33.5 kB |
| Tags | Python 3 |
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