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Geomechanics Module

Geomechanics Module
CIVIL ENGINEERING: The simulation shows how force is transferred from a concrete beam to its steel reinforcement bars during tension failure. Shown are the von Mises stresses in the concrete and the axial stresses in the bars

The Geomechanics Module is a specialized add-on to the Structural Mechanics Module for simulation of geotechnical applications such as tunnels, excavations, slope stability, and retaining structures. The Module features tailored interfaces to study plasticity, deformation, and failure of soils and rocks, as well as their interaction with concrete and human-made structures. A variety of material models for soils are provided: Cam-Clay, Drucker-Prager, Mohr-Coulomb, Matsuoka-Nakai, and Lade-Duncan. In addition to the built-in plasticity models, user-defined yield functions can be created by the versatile equation-based user interface provided by the COMSOL Multiphysics environment. Dependencies of a computed temperature field as well as other field quantities can be blended into these material definitions.

The Geomechanics Module also makes available very powerful tools for modeling concrete and rock materials: the Willam-Warnke, Bresler-Pister, Ottosen, and Hoek-Brown models are available as built-in options and can also be adapted and extended to a more general class of brittle materials. The Geomechanics Module can easily be combined with analysis from other Modules such as the porous media flow, poroelasticity, and solute transport functionality of the Subsurface Flow Module.


Application Area

  • Bresler-Pister and Ottosen concrete models
  • Concrete and brittle materials
  • Drucker-Prager and Mohr-Coulomb soil models
  • Ductile materials and saturated soils
  • Embankments
  • Excavations
  • Foundations
  • Hoek-Brown rock model
  • Matsuoka-Nakai and Lade-Duncan soil models
  • Modified Cam-Clay soil model
  • Nuclear waste installations
  • Retaining structures and reinforcements
  • Roads
  • Slabs
  • Slope stability
  • Soil, rock modeling
  • Tunnels
  • User-defined soil, rock, and concrete materials
  • Willam-Warnke concrete model




iMath Asia
i-Math was incorporated in 2001 as an organization dedicated to delivering innovative high precision mathematical and control software solutions to the Educational, R&D, Engineering and Manufacturing industries in the ASEAN Region.

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