FLAC2D is a 2D version of Itasca’s FLAC3D numerical modeling software. With a completely new user interface (UI) and new interactive tools to construct models and interpret result, FLAC2D is our easiest-to-use software. FLAC2D is the best solution to solve complex geotechnical problems for two-dimensional analyses of soil, rock, concrete, structural ground support, and groundwater flow.