Finite Element Modelling (FEM)

This program, based on the finite element method, can model
and analyze a wide range of geotechnical problems, including terrain settlement, sheet pile/diaphragm walls, slope stability, excavation analysis. It offers several material models for soils and a variety
of structural elements such as walls, anchors, geotextiles
or geogrids. The GEO5 FEM is used to compute displacements, internal forces in structural elements, stresses and strains
and plastic zones in the soil and other quantities in every construction stage.

With extension modules the program also performs the Tunnel excavation analysis, the steady sate or transient Water Flow analysis, the coupled Consolidation analysis, or the dynamic impact of an Earthquake.

Description

Variety of conventional and state-of-the-art material models:
Linear elastic model
Modified elastic model
Mohr-Coulomb model
Modified Mohr-Coulomb model with hardening/softening
Drucker-Prager model
Cam Clay model
Hypoplastic model for clay
Wide range of common structural elements:
Concrete walls, pile walls, soldier pile walls (Braced Sheeting) or reinforced tunnel lining are modeled
by the beam elements with catalogued profiles and materials
Anchors
Nails
Props
Reinforcements (geotextiles, geogrids)
Contacts elements between soil and structure with nonlinear stress-displacement relation
The model consists of several construction stages to account for the construction process
Any number of surcharges (strip, trapezoidal, line load) can be added to the model in any construction stage
Boundary conditions are generated either automatically or defined specifically for chosen points or lines
The ground water table is either user-defined or computed in GEO5 FEM – Water Flow and imported via GeoClipboard
Each material model can be either in drained or undrained conditions
The stability analysis can be run in each construction stage with either static or earthquake loading providing a current factor of safety
An extensive list of variables (settlements, stresses, strains, plastic zones, pore pressure, etc.) is plotted
on either deformed or undeformed model
The distribution of internal forces and deformation of the structural elements is available
The evolution of quantities at chosen points is observed by the means of monitors and graphs
Automatic mesh generator issues warnings on problematic topology parts
The size of elements can be adjusted by point, line and free refinements
The program supports DWG, DXF import and export

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