Force networks in shear thickening suspension

From simulations shown to capture primary features of the shear thickening
transition in suspensions -- with particles interacting through lubrication, short-range repulsive forces, and frictional contact forces -- we explore the microstructural development underlying this transition.
In particular we study the statistics of the contact force network. Using methods of k-core analysis and
persistent homology, we explore the role of the particle contact network
connectivity, and will present signatures of the rheological transition in terms of
both local and global measures of the connectivity.