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
  • Workshop: The “Big Five”: Numerical Modeling of Cave Mining This MassMin2020 workshop will review caveability, ground subsidence, infrastructure stability, fragmentation, and gravity flow associated...
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  • 2020 H. Bolton Seed Lecture: Open Issues about Soil Liquefaction Dr. Bruce L. Kutter delivered the 2020 H. Bolton Seed Lecture at Geo-Congress 2020 in...
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  • Webinar: Using Rigid Blocks in PFC This webinar will provide a brief overview of PFC modeling using convex rigid blocks, including...
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Upcoming Events
4 Dec
Analyses of Embankment Dams and Slopes Using FLAC
Presented by Dr. Richard Armstrong in collaboration with Itasca Consulting Group. This hands-on, virtual training course is 16 hours to... Read More
8 Mar
FLAC3D 2021 Remote Introductory Training
Three days of general feature training addressing basic concepts and recommended procedures for geotechnical numerical analysis.... Read More
22 Mar
3DEC and UDEC 2021 Remote Introductory Training
An introduction to UDEC and 3DEC for application to geotechnical analysis.... Read More