Why Choose 3DEC?

POWERFUL

  • Both continuum and discrete model simulations possible
  • Numerical stability with large displacements, including collapse
  • Build very large models (64-bit)
  • 12 built-in material behaviors and 8 creep constitutive models
  • 6 built-in joint models
  • Automatic Factor of Safety analysis
  • Capable of groundwater flow, including flow through joints and groundwater matrix (i.e., permeable solids) fluid-flow between fractures
  • Proppant simulation in fluid-filled joints
  • Coupled mechanical-hydro-thermal solutions possible
  • Accommodate complex materials and pore pressure distributions
  • Assess service limit state criteria
  • Create custom functions using FISH or Python
  • Perform thermal and dynamic analyses (options)
  • Customize material behaviors efficiently using optional C++ User-Defined Models (UDM) for both zones and joints (option)

EFFICIENT

  • Multi-core processing
  • Optimized solution calculations
  • Multi-threaded FISH scripting
  • Customize material behaviors efficiently using optional C++ User-Defined Models (UDM)

RELIABLE

  • Realistic physical solutions
  • Natural evolution of failure
  • Transparent methodology with all equations and algorithms fully documented
  • Built-in constitutive models are open-source; no black boxes
  • Strong software support led by an experienced team of engineers, scientists, and software developers
  • Extensive manuals and documentation
  • Automated update notification

PROVEN

  • Tested against analytical solutions
  • Used by Itasca’s own consulting engineers and scientists
  • A large repository of worked examples and validations with more than 1,000 published journal and conference papers
  • Used worldwide by a wide variety of industries, universities, and government agencies

FLEXIBLE

  • General by design
  • Access to almost all internal variables using FISH or Python scripting
  • CAD interoperability
  • Import/export ASCII data
  • Human-readable data files
  • Users may write their own constitutive models, and may modify, or add to, most of the built-in algorithms using the optional C++ UDM
  • Standard license is portable between computers and users
  • Multiple seat network licenses available
  • Monthly and annual leases available

ECONOMICAL

  • No CPU limits
  • No annual maintenance fee
  • Academic discount
  • Two instances of 3DEC can be run on a single computer with a standard license
  • Standard license is portable between computers and users
  • Monthly and annual leases available

Latest News
  • 2021 Tekne Award Work on machine learning to advance safety and efficiency in wind energy construction earned a...
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  • Itasca Software now Available for Linux Version 7 or greater of Itasca software (FLAC3D, 3DEC, PFC3D, and PFC2D) are now operable...
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  • Model Plot Contest Winners Itasca is pleased to announce the winners and honorary mentions of our Model Plot Contest...
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Upcoming Events
7 Mar
FLAC 2022 Online, Live Introductory Training
FLAC is numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support in two dimensions... Read More
21 Mar
FLAC3D 2022 Online, Live Introductory Training
This "hands-on" course includes Basic Concepts and Recommended Procedures for Geotechnical Numerical Analysis. A more focused fourth da... Read More
4 Apr
PFC 2022 Online, Live Introductory Training
This four-day course provides guidance in the use of the PFC2D and PFC3D to simulate the mechanical behavior of granular and solid mate... Read More