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3DEC is a three-dimensional numerical modeler for advanced geotechnical analysis of soil, rock, groundwater, structural support and masonry. The numerical formula of this software is based on the Discrete Element Method (DEM) for discontinuum modeling. UDEC is a two-dimensional version of it. Discontinuous material is a set of discrete blocks. The discontinuities act as boundary conditions between the blocks. Large displacements with discontinuity and rotation of blocks are permitted. The common structure can be modeled directly from geological mapping. The software also includes the powerful Itasca built-in FISH programming language. With FISH you can write scripts for users who want to add custom analytics capabilities.

Features and Features of Itasca 3DEC Software:

  • Material models include: Elastic, Anisotropic, Coulomb Mohr, Drucker Prager, Dual Straight Flexibility, Pressure Softening, Creep and User Defined
  • The modeling feature may include boundary absorption and input waveforms for full dynamic response.
  • Extensive, based on three-dimensional fast interactive menus in OpenGL based on screen graphics
  • Available plots include: Joint Structure, Block Structure, Displacement, Vector Speed ​​and Lines
  • The tool includes a preprocessor that reads AutoCAD and 3DEC files to produce polyhedra.
  • Performs an effective stress calculation using the pressure vents gradient

System Requirements

Minimum System:

  • Operating System: Windows 8.1 or later (with the latest service packs installed)
  • Hard Disk: 500 MB
  • Processor: Dual core CPU (2 GHz)
  • Memory (RAM): 1 Gbyte
  • Video Card: HD graphics card, 800 x 600 pixels, 32-bit color palette, OpenGL 3.3 or higher

Recommended System:

  • Operating System: Windows 10 Pro (with the latest service packs installed)
  • Hard Disk: 2 TB, 7200 rpm or better
  • Processor: Intel Core i7 CPU (3 GHz) or better
  • Memory (RAM): 16 Gbytes or better (large models may require more memory)
  • Video Card: HD graphics card, 1024 x 768 pixels, 32-bit color palette or better, OpenGL 3.3 or higher


3DEC screenshot

Download Links

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Download Itasca 3DEC double precision 5.20.277 x64

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