Abaqus/Standard
allows specific properties to be defined for a fluid-filled porous material.
This type of porous medium is considered in a coupled pore fluid
diffusion/stress analysis (Coupled pore fluid diffusion and stress analysis).
Permeability defines the relationship between the flow rate of a liquid
through a porous medium and the gradient of the piezometric head of that fluid
(see
Permeability).
Porous bulk
moduli
The bulk moduli of the solid grains and of the fluid in a porous medium are
defined such that their compressibility is considered in an analysis (see
Porous bulk moduli).
Sorption
Sorption defines the absorption/exsorption behavior of a porous material
under partially saturated flow conditions (see
Sorption).
Swelling
gel
The swelling gel model is used to simulate the growth of gel particles that
swell and trap wetting liquid in a partially saturated porous medium (see
Swelling gel).
Moisture
swelling
Moisture swelling defines the saturation-driven volumetric swelling of a
porous medium's solid skeleton under partially saturated flow conditions (see
Moisture swelling).
Thermal expansion
For porous media such as soils or rock, the thermal expansion of both the
solid grains and the permeating fluid can be defined. See
Thermal expansion
for more details.