: Techniques to speed up calculations when dealing with millions of irregularly shaped particles.

It looks like you are referring to the paper titled (or similar variations like "complex granular systems").

: How to move beyond simple spheres by using "clumped" spheres, super-ellipsoids, or polyhedral meshes to represent real-world grain shapes.

This research typically focuses on using the to simulate how non-spherical or irregularly shaped particles—like agricultural grains, rocks, or powders—behave under different conditions. Key areas usually covered in such posts or papers include:

: Practical uses in industrial processes like silo discharge, mixing, milling, or soil-tool interactions in agriculture.