Pysammos 1.0.0: a discrete-to-continuum transformation Python tool to analyse the rheology of granular materials

Elijas-Parra, Claudia; Breard, Eric C. P.; Morrissey, John P.; Zrelak, P. J.; Naylor, Mark

doi:10.5194/gmd-19-9519-2026

Articles | Volume 19, issue 19

https://doi.org/10.5194/gmd-19-9519-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-19-9519-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 19

Model description paper

|

08 Oct 2026

Model description paper |

| 08 Oct 2026

Pysammos 1.0.0: a discrete-to-continuum transformation Python tool to analyse the rheology of granular materials

Claudia Elijas-Parra, Eric C. P. Breard, John P. Morrissey, P. J. Zrelak, and Mark Naylor

Supplement

https://doi.org/10.5194/gmd-19-9519-2026-supplement

Data sets

Example granular material simulation data for the Pysammos Python package C. Elijas-Parra et al. https://doi.org/10.5281/zenodo.19351802

Model code and software

Pysammos v1.0.0 C. Elijas-Parra et al. https://doi.org/10.5281/zenodo.19355667

Pysammos - GitHub repository C. Elijas https://github.com/Claudia-Elijas/pysammos

Pysammos - Documentation C. Elijas https://claudia-elijas.github.io/pysammos/

Short summary

Granular flows are widespread in nature and industry, yet poorly understood. Discrete particle simulations offer detailed insight into their behaviour, but only provide properties of the individual particles, such as velocity and force. To obtain bulk flow quantities relevant to science and engineering, such as pressure or strain rate, we present Pysammos: an open source, user-friendly too to process discrete particle simulation data into continuum fields.