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Feflow - Advanced 3D Finite-Element Modeling Software
A Finite-Element software for simulating variably-saturated flow, contaminant and heat transport, and saltwater intrusion. FEFLOW is an advanced 3D Finite-Element modeling solution offering sophisticated analysis tools and robust numerical algorithms. FEFLOW is designed with an easy-to-use graphical interface that gives you all of the tools necessary to simulate: Steady-State or Transient Flow. Variably-Saturated Systems. Density-Dependent Flow. Heat and Mass Transport. Fracture Flow. Multiple Water Tables.
Why FEFLOW?
The environmental industry has seen an ever-increasing demand for simulating groundwater flow and contaminant transport with numerical models. Many models such as the USGS`s MODFLOW and MODPATH, and the popular contaminant transport program MT3D, have become almost worldwide standards. However, when faced with projects involving complicated geology, complex topography, fractures, unsaturated flow, density-dependent flow, or thermal convection, these models have been proven to be unsuitable. Until FEFLOW!
FEFLOW Key Features
Input Features
- Advanced algorithms for generating and refining the Finite-Element mesh
- State-of-the-art graphical tools for assigning model properties (flow & transport parameters) and boundary conditions
- Solid GIS input features for ESRI shape files (geometry and attributes)
- Import and link data from external sources via FEFLOW`s GIS/DATA coupling exchange system
- Processing of background maps in raster or vector formats
- Coupling customized programs with FEFLOW via the new interface manager (IFM)
- Real-Time data interpretation
- 2D/3D visualization of input data
- Standard point-and-click functionality with zoom features when building the model
Analysis Capabilities
- Simulate 2D/3D flow and contaminant transport considering chemical reactions and degradation
- Model unsaturated/variably-saturated flow conditions
- Account for capillary hysteresis
- Parameter estimation for unsaturated flow (e.g. water retention and conductivity curves)
- Evaluates the effects of 1D/2D fractures or channel tubes
- Incorporate variable fluid density as a function of temperature or salt concentrations
- Simultaneously model heat and mass transport (thermohaline transport)
- Parameter estimation for mass transport (e.g. sorption curves)
- Solve large models (>1 million nodes)
- Time dependent boundaries, constraints, and material data
- Real time interpretation and plotting of transient heads and concentrations at multiple points
- Compute mass and energy balances using the Budget Analyzer tool
- Compute fluxes through cross-sections and single layers using the Budget Analyzer tool
Visualization Features
- 3D visualization of the model domain (mesh, boundary conditions, and material properties)
- 3D color iso-surfaces of scalar data
- 3D particle tracking (with time markers) and velocity vectors
- Bench cut-aways to display internal results (e.g. mass concentrations)
- 3D cross-sections and fence diagrams
- 2D pathline projections
- Graphs from measurement data or analytical functions are now available for all output
- Material parameters can now be rendered in 2D or exported to *.SHP file format
- All external and internal are handled and stored in 64-bit format
- True-colors support (256 colors not required)
- Interactive 3D rotation and preset color settings
- Save 3D vector graphics to ESRI Shape, FEFLOW PLX, or Autocad DXF
- Customize reports using FEPLOT