In Cfx 4.4 the porous flow model consider the Bruggemann correction for the diffusivities?
D_eff=D*por^1.5 (D=diffusivity, por=porosity)
Thanks in advance
Re: Bruggemann correction
In USERDIF, loop over the porous region and set your diffusivity manually to rho*D*por^1.5
Note you must set rho*D (or Gamma) in CFX-4.
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