  Dense suspensions are widespread in nature, manufacturing and process
engineering. Particle-based simulations have proven to be an invaluable
complement to experimental rheological characterisation, serving as a virtual
rheometer that enables rapid exploration of parameter space and detailed
scrutiny of microscopic dynamics. To maximise the utility of such simulations,
it can be advantageous to exploit pre-existing, well-optimised, well-documented
codes. Here we provide a simple description of how to use LAMMPS to study the
rheology of dense, granular suspensions.
