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Compressibility in Poroelasticity

Compressibility in Poroelasticity

Compressibility in Poroelasticity

(OP)
Hi All,

I am trying to model a poroelastic material deformation in Abaqus under a two phase loading 1-instantaneous (almost) pressure 2- keepin that pressure constant (which intends to provoke a poroelastic creep).

The point is, when I consider the model to be compressible (Neohookean), the permeability somehow shows its influence, but when the material is considered as incompressible, there could be found no trace of poroelastic influence.
of course, if I have done it correctly, I have let the fluid to flow freely in the boundary of the geometry (zero pore pressure BC).

Does this make any sense to you?

I am very grateful for your any comments,
Sincerely,
A  

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