Biot theory of poroelasticity

30 June 2016

This document verifies that groundwater flow principles are correctly implemented in PLAXIS. Poroelasticity theory, first introduced by Biot (1941), counts for coupled hydro-mechanical processes. The presented verification example studies the case of a drilled vertical borehole in saturated soil formation (porous rock), subjected to non-hydrostatic in situ stress. PLAXIS results are compared to the analytical solution provided by Detournay & Cheng (1988).

Used version:

  • PLAXIS 2D: 2016.01 | 2015.02
  • PLAXIS 3D: 2016.02 | Anniversary Edition (AE.01)

This requires a PlaxFlow module for groundwater flow

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