Differentiable Material Point Method solver developed with JAX

This is a pre-release version that is still in development.

Current features

Basic shape functions (linear, cubic) Solvers (USL, APIC) Materials ( Drucker Prager, Linear isotropic Elastic, Modified Cam Clay, Newtonian Fluid, $\mu (I)$ rheology) Forces (Rigid body contact, gravity, slip and no slip boundaries)

Installation instructions

• Clone repository
• Install poetry here
• poetry install
• poetry shell

Examples that should work

• Cube fall 3D, Cube fall, dambreak, sphere impact, CHOPS2024
• To run example, run python <name of script>

Contributors:

Retief Lubbe, Hongyang Cheng, Stefan Luding, Vanessa Magnanimo

University of Twente, SMM & M&S

Acknowledgements

This research is part of the project TUSAIL (Training in Upscaling Particle Systems: Advancing Industry across Length-scales, https://tusail.eu)  and has received funding from the European Horizon2020 Framework Programme for research, technological development and demonstration under grant agreement ID 955661.