Distinct-Element Modeling of Jointed and Blocky Materials in 3D
Unlock unparalleled simulation capabilities with intuitive tools designed for precision and efficiency with FLAC2D.
3DEC
Plans start at $2,900 / month
What’s new in the latest release of 3DEC?
What is 3DEC?
FLAC2D (Fast Lagrangian Analysis of Continua in 2 Dimensions) is a powerful numerical modeling software designed for geotechnical and rock mechanics applications. Using advanced finite difference techniques, it provides critical insights into soil and rock behavior under various loading conditions.
FLAC2D excels in simulating stress-strain responses, groundwater flow, and excavation impacts, making it ideal for slope stability analysis and excavation design. With its comprehensive features, FLAC2D empowers engineers to tackle complex challenges with precision and confidence.
Why Choose 3DEC?
3DEC offers robust simulation capabilities and proven reliability for effectively tackling complex geotechnical challenges with precision and efficiency.
Powerful Computing Capabilities
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
Ease of Use
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
Advanced Analysis Options
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
Fast and Responsive Simulations
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
Flexibility and Customization
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
Comprehensive Support for Various Industries
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
Dynamics
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
Powerful Scripting
Run two instances simultaneously and achieve simulations up to 5x faster than equivalent 3D models.
3DEC Industry Solutions
Explore 3DEC in action as it tackles diverse geotechnical challenges from different industries with precision and innovation. Discover how our solutions empower industries to achieve efficient, reliable outcomes in real-world applications.
Cumulative total displacement contours after a new cutback has been excavated in an open point mine with exposed faults shown as white lines.
Mine pillar model showing joint traces to evaluate a ground support design. Rock blocks in the roof undergoing a total displacement of at least 4cm are colored yellow.
Model an underground tunnel showing fragmentation (left); bolt displacements, axial forces, and block displacements (center); and maximum principal stress (right).
Modeling degradation of dual-purpose canisters storing nuclear waste using 3DEC.
Seismic event model to study fault reactivation of fractures near a generic deep nuclear repository with various region scales shown.
Thermal iso-contours along a nuclear waste emplacement drift.
Complex hydraulic fracturing showing pore pressures, fractures opening (apertures), fractures shearing, and simulated microseismicity.
Rock wedges around the cavern for a case shown in 3DEC.
Simulation results of hydraulic fracture and natural fracture pore pressure and rock failures from a shale stimulation.
Hydro dam powerhouse chamber excavated in jointed and faulted rock showing block displacements.
Simulation of a proposed geothermal site showing shear displacements along pre-existing fractures and synthetic (predicted) micro seismicity.
Simulation of pore pressures within the rock joints surrounding a hydroelectric power dam.
Simulation of one of the Chenab railway bridge abutments showing the model jointing and displacement contours. Rock foliation was considered using the ubiquitous material model.
Simulation of a light rail station showing exaggerated displacements in the roof.
Collapse mechanism for an ancient stone masonry tower subjected to seismic forces.
Bonded tetrahedral block model showing the extent of damage around an underground tunnel with Sigma 1 stresses plotted on blocks.
Spherical rock specimen of bonded voronoi blocks showing interior block details.
Virtual UCS lab test using a sample composed of bonded Voronoi blocks showing displacements (left, exaggerated 50x) and stress strain plot (right).
3DEC Add-on Options
Expand your FLAC2D software capabilities with our range of add-on options, designed to tackle diverse engineering challenges effectively. Explore our selection of options to customize your FLAC2D experience.
Dynamics
Enhance simulations with dynamic analysis for earthquake engineering, soil liquefication, and more. Includes robust boundary conditions and fast model run times.
- Customizable boundary conditions (acceleration, velocity, stress waves)
- Soil-structure interaction and thermal coupling
- Dynamics Wizard for preprocessing
- Maxwell damping for fast simulations
- Multiple dynamic and liquefaction models
$69 / month or $828/ year
Thermal
Simulate heat transfer with conduction and advection models. Idal for geothermal and nuclear waste applications with variable boundary conditions.
- One-way coupling to mechanical stress and pore-pressure calculations
- Four thermal material models
- Efficient solvers for rapid model run times
- Hydration-Drucker-Prager model for dynamic material adjustments
$69 / month or $828/ year
Creep
Study time-dependent material behavior with viscoelastic and viscoplastic constitutive models. Applications include oil reservoirs and deep tunnels.
- 10 customizable creep models
- Versatile for mining and compressed-air energy storage
- Customization via C++ scripting
$69 / month or $828/ year
UDM
Develop custom material models tailored to specific project needs using C++. Enhance simulation flexibility with downloadable templates.
- Modify existing or create new constitutive models
- Distribution via DLL files
- Access to ITASCA’s UDM Library
- Ideal for specialized material behaviors like liquefaction analysis
Free with any license
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Experience the innovation firsthand and see how ITASCA software can benefit your work.
Try a free demo to explore 3DEC features and capabilities.