Thanks to its general design, PFC can be customized and applied to a very broad range of numerical investigations where the discrete nature of the systems is of interest. Qualified academic institutions qualify for special pricing discounts. Perpetual, monthly lease, and annual lease licenses are available, secured with either a local USB key (which is portable), a web license, or a network USB key. PFC includes sixteen built-in contact models with the facility to add custom C++ User-Defined Contact Models (UDMs). Contact mechanics obey particle-interaction laws that update internal forces and moments. Particle shapes can include disks in 2D, or spheres in 3D, rigidly connected “clumps” of disks in 2D, or spheres in 3D, and convex polygons in 2D or polyhedra in 3D. PFC models simulate the independent movement (translation and rotation) and interaction of many rigid particles that may interact at contacts based on an internal force and moment. PFC models synthetic materials composed of an assembly of variably-sized rigid particles that interact at contacts to represent both granular and solid materials. PFC (Particle Flow Code) is a general purpose, distinct-element modeling (DEM) framework that is available as two- and three-dimensional programs ( PFC2D and PFC3D, respectively).
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