Denna sida på svenska This page in English Software Below is shown some of the software developed at the Division of Structural Mechanics: CALFEM is an interactive computer program for teaching the finite element method (FEM). ForcePAD - ForcePAD is an intuitive tool for visualising the behavior of structures subjected to loading and boundary conditions. HACON - A Program for Simulation of Hardening Concrete. Ivf++ is a small class library encapsulating OpenGL functionality. xl-FEM - Excel Workbooks for analysis of frames, trusses and beams.