Geomechanics Module
For users of the Geomechanics Module, COMSOL Multiphysics® version 5.5 brings a mean-stress-based tension cut-off criterion and three new tutorial models. Browse these geomechanics features and more below.
Mean Stress Tension Cut-Off Criterion
In the Mohr–Coulomb and Drucker–Prager models for soil plasticity, a mean-stress-based tension cut-off criterion has been added. This method for suppressing tensile stresses is more stable from a numerical point of view.
Selecting a mean stress cut-off criterion for a Drucker–Prager soil plasticity model.
New Tutorial Models
Version 5.5 brings three new tutorial models.
Triaxial Test with Hardening Soil Material Model
Axial stress vs. axial strain for a hardening soil under axial compression.
Application Library Title:
triaxial_test_hardening_soil
Isotropic Compression Test for Structured Clays
Void ratio as a function of pressure for different levels of cement content.
Application Library Title:
isotropic_compression_mscc
Triaxial and Oedometer Test with Modified Cam–Clay Material Model
Volumetric strain vs. axial strain for two different values of the overconsolidation ratio.
Application Library Title:
triaxial_and_oedometer_test_mcc