OpenCCM is a CFD-based compartment modelling software package. It is primarily intended for convection dominated reactive flows which feature a weak or one-way coupling between the reactive species and the carrier fluid, i.e. the reaction does not substantially influence the fluid flow over the course of the simulation.
OpenFOAM 11 changed the filename from
VtoVcfor the mesh cell sizes. Check both options now so the user does not have manually specify one.