The solvers behind the engine, open-sourced.
NDEM is our flagship real-time sim-to-real engine — but the granular and fluid solvers it builds on are open. We release them so the wider simulation and robotics community can build on the same physics we do.
veloxsim-dem
GPU-accelerated discrete-element solver for granular materials.
- Real-time granular dynamics — contact, friction, cohesion
- Material calibration against your own field and testwork data
- Powers the hopper-discharge and rotating-drum demos
veloxsim-pbf
GPU position-based-fluids solver for fluids and coupled multiphase.
- Position-based dynamics for fluids and free-surface flow
- Interactive rates for validation and prototyping
- Powers the granular dam-break validation demo
veloxsim-dem and veloxsim-pbf are the open granular and fluid foundations. NDEM is the proprietary real-time engine we build on top of them — adding material calibration grounded in real site data, a design geared to large-scale parallel RL, and two-way coupling with NVIDIA Newton for sim-to-real robot learning.
Building on our open-source solvers?
Questions, contributions, or a use case you'd like to talk through — the code is on GitHub and we're happy to help.