Geometry/Mesh GUI is a CAD-like GUI that allows users to Import geometry files, generate mesh from geometry, and set up spatial boundaries and initial conditions for an HGC simulation.
Geometry GUI: File->New or Open Solution
Free trial verison support Triangle and quadrilateral mesh generation
On material tree view, you can right click mouse to select all mesh elements in this material in ‘One Click’.
Visualize to ‘Create Group’ for boundary /initial conditions setting