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DHI FEFLOW 2026 v11.0 Groundwater Modelling Overview

• Finite element simulation of groundwater flow, contaminant transport, and heat transfer in 2D and 3D
• Support for density-coupled flow, variable saturation, and multiphase processes
• Advanced geological modelling with structural model editor and supermesh workflows
• Comprehensive well management for pumping, injection, and geothermal applications
• Reactive transport modelling with built-in geochemical engine and PHREEQC coupling
• Uncertainty quantification and model calibration via integrated FePEST interface
• Python scripting API for workflow automation and custom tool development
• Cloud deployment support via Microsoft Azure for scalable parallel simulations

• New Structural Model Editor enables building geological models directly within FEFLOW using borehole data, fault networks, and stratigraphic sequences
• Supermesh Processing and Geometric Tools powered by Geode-Solutions for correcting and preparing complex 3D datasets
• New Layered-mesh generator optimized for projects with continuous layer geometries (2.5D representation)
• Enhanced 3D Slice/Layer Configurator with structured pinching support for realistic geological pinch-outs
• Interactive Fuse-Delete and Split-Layer tools for flexible creation of pinch-outs and vertical discretization refinement

• New Well-Group creation workflow independent of preliminary well definitions
• Interactive assignment of well groups using selection tools in Slice and 3D views
• Streamlined management of borehole heat exchangers, multilayer wells, and well boundary conditions

• Open-Loop System Editor for defining geothermal systems by temperature difference or total power
• Enhanced reporting with dedicated geothermal charts: BHE Heat Rate, Open-Loop Flow Rate, Temperature Difference, and Inlet/Outlet Temperature
• Improved observation data dialog with geothermal section for comparing modelled versus simulated values

• Cross-sectional views now display boundary conditions and observation points for better model interpretation
• Enhanced 3D visualization with improved rendering performance and interactive exploration tools

• Performance improvements to the solver and constrained boundary condition handling for faster simulations
• Continued support for advanced matrix solvers including algebraic multigrid (SAMG) and parallel direct solver (PARDISO)

• Python Scripting Views and Panel integrated directly into the graphical interface with formatting, encryption, and package management
• New Python APIs for geometric tools, supermesh processing, and regionalization methods for sparse data interpolation
• Extended access to 3D Supermesh, fracture properties, and license configuration via Python

• Geomodelling: Access to Structural Model Editor, Geometric Tools, and advanced 3D meshing capabilities
• Geothermal: Full functionality for open-loop and closed-loop geothermal system modelling
• Python: Extended API access to supermesh interface, geometric tools, and FEFLOW interpolators

• Mine dewatering design and seepage analysis
• Pit lake evolution and contaminant transport modelling
• Ground subsidence prediction via hydromechanical coupling
• Integration of mining plans for operational scenario testing

• Design and optimization of borehole heat exchanger arrays
• Open-loop and closed-loop system performance evaluation
• Aquifer thermal energy storage (ATES) simulation
• Assessment of groundwater flow impacts on thermal plumes

• Contaminant fate and transport modelling for remediation design
• Saltwater intrusion simulation in coastal aquifers
• Groundwater age dating and capture zone delineation
• Reactive transport modelling with kinetic and equilibrium reactions

• Construction site dewatering and groundwater control
• Tunnel infiltration and grouting effectiveness analysis
• Seepage assessment through dams, levees, and embankments
• Freeze-thaw cycle modelling with piFreeze extension

• Node-locked license for single workstation deployment
• Network floating license for shared access across teams and departments
• Subscription model with annual payments including software updates and technical support
• Perpetual license option with optional Software Maintenance Agreement for upgrades
• Academic licenses available for educational and research institutions at discounted rates
• Cloud-based Pay-As-You-Go licensing via Microsoft Azure Marketplace

• Direct import of geological models from Leapfrog, GOCAD, and GeoModeller 3D
• Support for standard GIS and CAD formats including shapefile, DXF, DWG, and GeoTIFF
• MODFLOW 6 model import for leveraging FEFLOW visualization and advanced physics
• MIKE 1D and MIKE SHE coupling for integrated surface water-groundwater modelling
• PHREEQC coupling for advanced geochemical reaction modelling
• API access for integration with enterprise systems and custom workflows

• Technical support through DHI Customer Care Portal with knowledge base and documentation
• Self-paced online courses and instructor-led training workshops
• Release webinars and video tutorials covering new features and workflows
• FEFLOW Community forum for user discussions and best practice sharing
• Consulting services available for model development, review, and project support