A FE2 Model for Hydro-mechanical Coupling

  • B. van den Eijnden
  • F. Collin
  • P. BésuelleEmail author
  • R. Chambon
Conference paper
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG)


A new approach is investigated for the modelling of the hydro-mechanical behaviour of Callovo-Oxfordian claystone, a potential host rock for radioactive waste repositories in France. This approach is a double-scale finite element method with a micro and a macro scale. At the micro level a representative elementary volume (REV) is used to model the material behaviour. The global response of this REV serves as an implicit constitutive law for the macro scale. On the macro scale, a poro-mechanical continuum is defined with fully coupled hydro-mechanical behaviour; the microscale contains a model that takes into account the material micro structure and fluid/solid interaction to provide the material responses and associated stiffness matrices. Computational homogenization is used to retrieve these stiffness matrices from the micro level. This double scale approach is applied in the simulation of a biaxial deformation test and the response at the macro level is related to the micro-mechanical behaviour.


Representative Elementary Volume Micro Model Macro Scale Hydromechanical Coupling Computational Homogenization 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The support from the French national radioactive waste management agency (Andra) is gratefully acknowledged.


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • B. van den Eijnden
    • 1
  • F. Collin
    • 2
  • P. Bésuelle
    • 3
    Email author
  • R. Chambon
    • 3
  1. 1.AndraChatenay-MalabryFrance
  2. 2.ArGEnCoUniversité de LiègeLiègeBelgium
  3. 3.Laboratoire 3SRCNRS/UJF-Grenoble 1/Grenoble INPGrenobleFrance

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