Modelling of steady-state groundwater flow in horizontal-plane, vertical-plane, axis-symmetrical, two-dimensional groundwater systems using the finite-element method


  • Powerful mesh generator with mesh refinement and mesh optimisation
  • Import of ASCII-Data
  • FEM mesh coordinates can be imported from a table via the Windows clipboard
  • Consideration of leaky aquifer, seepage lines and unsaturated zones
  • Definition of layer boundaries using fixed values or an interpolation mesh (ASCII data import from the GGU-GEO-GRAPH program)
  • Graphically oriented data input and editor for fixed boundary conditions such as potentials and point, linear or area sources
  • Adopts standard values for kr = f(u) and visualisation as contours
  • Easy-to-use evaluation routines
  • Dynamic damping
  • Colour supported presentation of results such as normal, coloured or 3-dimensional contour lines, tables or circle diagrams
  • Evaluation and presentation of potentials, velocities vx, vy and discharge in userdefined sections
  • Evaluation and coloured presentation of seepage velocities and gradients
  • Evaluation and presentation of groundwater thickness, groundwater-surface distance, confined areas and "dry" areas
  • Evaluation and presentation of flow lines with distance and time increment
  • Calculates a differential contour diagram from two existing groundwater models and visualises them as normal, colour-filled or 3D contours
  • Automatic transfer of steady-state data to the GGU-2D-TRANSIENT and GGU-CONTAM-FE/-RW programs for transient analysis
  • Interface for the program GGU-3D-SSFLOW (3-dimensional groundwater systems)
  • Autosave function
  • User-defined design of output sheet
  • Print or copy screen sections, e.g. for transfer to a word processor
  • Integrated Mini-CAD system for additional annotation of graphics


Current updates & changes

  • 11.11 (18.10.2019)
    • Product management


  • 11.10 (17.10.2019)
    • Product management


  • 11.09 (24.09.2019)
    • Flow lines with phreatic line
    • Flow lines in saturated zone only
  • 11.08 (27.05.2019)
    • Product management
  • 11.07 (14.02.2019)
    • Mini-CAD: Layer designations can be defined.
    • Screen visualisation accelerated.

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Single Program Subscription *

1 Year subscription NNL892,50 €

Single Program for CmStick

30 days FNL321,00 €
1 Licence FNL2.677,50 €

Complete GGU-Suite for CmActLicense *

10 hours PayPerUse NNL **240,00 €
1 Year subscription NNL **5.890,50 €

All prices incl. VAT

*: CmActLicense, no need of CmStick, always current major program versions. Not for virtualisation OS.
NNL: Non-network licence
FNL: Floating-network licence
**: Only available outside Germany, Austria and Switzerland

System preferences

GGU-Software runs on PCs with the following specifications:

  • Pentium III or higher processor
  • Microsoft Windows® 7, 8, 8.1and10 compatible
  • 500 MB free hard disk space
  • DVD-ROM drive or internet connection (for installation)
  • USB Interface 2.0 or higher (for licence CmStick dongle)
  • CmActLicences NOT on virtual maschines


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