Includes pre-meshed primitive shapes (hex, cylinder, tunnel intersections, ...), and topography conforming functionality (for v. 5.0 and up)
FISH language can be used to deform the grid to better fit the geometry to be modeled
ZONE SPLIT split command allows automatically dividing all tetrahedral and wedge shaped zones into hexahedrons (v 5.0 and up)
Basic unstructured tetrahedral mesh generation on closed volumes (new in v 6.0)
Structured
Primitives Commands & FISH – Octree mesh
Available from the command line
Any type of numerical problem
Better suited for complex geometries
Efficiency
In addition to primitives, topography (v 5.0 and up) and geometric data (v 5.0 and up) commands, the DENSIFY command automatically builds octree meshes from surfaces and volumes
FISH language can also be used to deform the grid to better fit the geometry to be modeled
Structured
Interactive 2D extrusion (v 5.0 and up required)
Available from theFLAC3D interface
For extruded geometries only
Efficiency
Quality
Allows interactive definition of a 2D section and then extrusion to create zones
DXF or bitmap can be imported and used as a background, with snapping available
Structured
Interactive Building Block (NEW in v 6.0)
Available from theFLAC3Dinterface
Any type of problem
Better suited for simple to moderately complex geometries
Quality
Structured meshing capabilities
Option to automatically block geometries for subsequent editing
DRAPE command automatically conforms the surface of the model to a supplied topography
Structured
InteractiveBlockRanger
Available from the Rhino interface
Any type of problem
Better suited for simple to moderately complex geometries
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Getting Started with FLAC2D/FLAC3D
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September 23-24, 2025....
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2Dec
NEW TRAINING: Meshing in ITASCA Software
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