Why Choose FLAC3D?


  • Interactively create models from CAD files (DXF, STL), sketching, or images
  • Automatic structured and unstructured mesh generation
  • Extrude linearly and along curves NEW
  • Skinning to automatically identify model boundaries to set boundary conditions
  • Interactively assign groups, constitutive models, and properties/distributions
  • Built-in database to save/import/export material properties NEW
  • Automatic stress initialization
  • Intuitive commands are easy to learn
  • Most UI interactions are automatically translated into commands, which can be saved to a datafile and re-used
  • Built-in help / command auto-complete
  • Advanced built-in text editor makes creating and running models simple
  • With Version 9’s common UI, seamlessly move between programs or easily couple to other Itasca software


  • New solution optimization enables 2-3 times faster static modeling and dynamic time steps up to 2.6 times larger than before NEW
  • Multi-threaded to utilize the full power of your computer for faster solutions
  • Multi-threaded FISH Lists and Operators to query or modify the model incredibly quickly, even while cycling
  • New Maxwell damping for 10-200x faster performance for dynamic models NEW
  • Faster implicit solvers for fluid flow and thermal calculations NEW
  • Fast analytical temperature calculation for specified sources NEW


  • Large-strain simulations to capture the full extent of model deformation
  • Includes 27 built-in constitutive models:
    • Null
    • Elastic
    • Orthotropic Elastic
    • Anisotropic
    • Druker-Prager
    • Mohr-Coulumb
    • Ubiquitous-Joint
    • Ubiquitous-Anisotropic IMPROVED
    • Strain-Softening/Hardening
    • Double-Yield
    • Modified Cam-Clay
    • Swell
    • Bilinear Strain-Softening/Hardening Ubiquitous-Joint
    • Hoek-Brown
    • Hoek-Brown-PAC
    • CYSoil
    • CHSoil
    • Plastic-Hardening IMPROVED
    • Mohr-Coulomb-Tension
    • Soft-Soil
    • Finn
    • NorSand
    • P2PSand
    • IMASS (option)
    • Von-Mises NEW
    • Columnar-Basalt NEW
    • Concrete NEW
  • Non-linear deformable ground support elastic and elastoplastic NEW structures
  • Advanced plotting tools to understand your model results and for working with hundreds of plots on real projects NEW
  • FISH, Itasca’s scripting language, provides unparalleled control over, and customization of, the model
  • Built-in Python 3.10 scripting includes SciPy for plotting, NumPy for computing, and Pyside for UI customization
  • Statistical generation tools for Discrete Fracture Networks (DFNs)
  • All model changes (via mouse, commands, or scripting) are recorded for repeatability, learning, and re-use
  • Import pore pressures values to gridpoints from MINEDW *.mdp or CSV files (x, y, z, pore pressure) NEW


  • Highly customizable UI NEW and modeling
  • All licenses permit two instances of FLAC3D to be run on the same computer
  • Access and modify almost all variables (including “EXTRA” variables for zones, piles, gridpoints, etc.) via FISH/Python
  • Import and export any ASCII data format
  • UDMs can be written in C++ using Visual Studio template


  • Static and dynamic stability
  • Automatic factor of safety analysis (shear strength reduction method)
  • Back-analyze failure and calibrate forward-prediction
  • Parametric studies via FISH or Python
  • Service limit state (SLS) and ultimate limit states (ULS) based on displacements
  • Automatic zone relaxation simulates gradual excavation for construction sequencing
  • Simulate material damage and failure
  • Effective stress using conventional or complex pore pressure distributions
  • Fluid flow, seepage, and consolidation
  • Coupled ground-structure interaction (beams, cables, piles, shells, geotextiles, liners)
  • Simulate discontinuities (faults, joints, bedding planes, and construction boundaries) using interfaces; capture yielding or failure, shear displacements, opening, and closure along them
  • Static and dynamic liquefaction

Últimas noticias
  • Itasca lanza un foro especialmente dedicado a software Foro abierto a todo público para discutir y compartir tips de los códigos de Itasca....
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  • Itasca Chile recibe la certificación Great Place To Work En noviembre de 2022, Itasca Chile recibe el reconocimiento de Great Place To Work...
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  • Presentando a FLAC2D ...
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Próximos Eventos
13 mar.
3DEC In-Person Introductory course
Live in-person introductory training course in Minneapolis, Minnesota. This course provides an overview of the capabilities and feature... Leer mas
16 mar.
Online Live Training : Python in Itasca Software
This course provides an overview of the Python programming language in Itasca software. The course covers major applications of Python ... Leer mas
27 mar.
FLAC3D In-Person Introductory Course
Live in-person introductory training course. This 3-day course provides general feature training addressing basic concepts and recommen... Leer mas