Modelling of steady-state groundwater flow in three-dimensional groundwater systems using finite-element-methods


  • 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 phreatic lines and unsaturated zones
  • Graphics controlled input and editing of boundary conditions, e.g. potentials, single, line and area sources)
  • 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)
  • Easy-to-use evaluation routines
  • Dynamic damping
  • Colour supported presentation of results such as coloured contour lines or 3-dimensional models, flow lines, discharges
  • Presentation of vertical sections for individual planes/layers
  • Fence diagram with velocities and gradients
  • Calculates a differential contour diagram from two existing groundwater models
  • Results output table with velocities and gradients
  • Automatic transfer of steady-state data to the GGU-3D-TRANSIENT program for transient analysis
  • 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

  • 6.02.1801 (14.03.2018)
    • Background colour for legends implemented
  • 6.01.1702 (14.12.2017)
    • Export current graphics to Mini-CAD in global coordinates.
  • 6.00.1701 (01.11.2017)
    • PDF-Import implemented.
  • 5.09 (11.04.2016)
    • Deleting nodes not incorporated in the FEM mesh optimised.
  • 5.08 (25.01.2016)
    • product management

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Single Program for CmActLicense *

1 Year subscription NNL940,10 €

Single Program for CmStick

30 days FNL338,00 €
1 Licence FNL2.820,30 €

Complete GGU-Suite for CmActLicense *

10 hours PayPerUse NNL **190,00 €
1 Year subscription NNL **5.890,50 €

All prices incl. VAT

*: CmActLicense, no need of CmStick, always current major program versions
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