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GEO5

FEM – Earthquake

The FEM - Earthquake is used to perform dynamic analysis of geotechnical structures loaded by ground motion. It either accepts user-defined accelerograms or generates ground motion histories compatible with the specified response spectrum. The program outputs the evolution of displacements, stresses, internal forces and other mechanical quantities and summarizes their maximum values. It also performs modal analysis to acquire eigenfrequencies and eigenmodes of the system for setting the material damping.

Earthquake is an extension module of the FEM program for the analysis of general geotechnical problems.

  • Available in packages:

Try GEO5 software yourself.
For free, without analysis restrictions.

Main Features

  • Material models:
    • Linear elastic model
    • Mohr-Coulomb model
    • Modified Mohr-Coulomb model
    • Drucker-Prager model
  • Material damping
    • Damping ratio
    • Automatically computed or user defined Rayleigh damping coefficients
  • Accelerograms
    • User defined acceleration history
    • Automatically generated accelerograms compatible with Eurocode 8 response
  • Boundary conditions
    • Fixed boundary conditions on bottom boundary for models truncated at soft soil/stiff rock interface
    • Quiet (non-reflective) boundary conditions on bottom boundary for models truncated within soil/rock layer
    • Radiation and traction boundary conditions on lateral boundaries to properly address far-field conditions
  • Modal analysis
    • Eigenfrequencies and eigenmodes
    • Modal participation factors and modal effective mass to identify eigenmodes participation in horizontal and vertical direction
  • Run earthquake analysis in any construction stage

More Features

Training Materials

New Features in GEO5 2021

GEO5 2021
  • New feature Annexes
    (all programs)
  • Stratigraphy – Earthworks
    (new modul)
  • FEM – Earthquake
    (new modul)
  • Coordinate Systems
    (Stratigraphy)
  • Lagging and Walers
    (Sheeting Check)

FEM Extension Modules:

The module is not available separately. The FEM program is required.

More testimonials

Try GEO5 software yourself.
For free, without analysis restrictions.

The software won't run on mobile devices. We can however send you a download link to your email.