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[Chao Yuan <question678426@xxxxxxxxxxxxxxxxxxxxx>]

Question #678426 on Yade changed:
https://answers.launchpad.net/yade/+question/678426

    Status: Open => Answered

Chao Yuan proposed the following answer:
Yes. you can continue to simulate wetting by decreasing capillary
pressure:

unsat.isDrainageActivated=False
unsat.isImbibitionActivated=True
for pg in arange(15.0,1.0e-5,-0.1):
  #decrease gaz pressure at the top boundary
  unsat.bndCondValue=[0,0,(-1.0)*pg*unsat.surfaceTension/meanDiameter,0,0,0]
  unsat.invasion()
  if unsat.getSaturation(False)>0.5:
      break

the entry capillary pressure of wetting follows [1].
chao

[1] Sweijen, Thomas, et al. "The effects of swelling and porosity change
on capillarity: DEM coupled with a pore-unit assembly method." Transport
in porous media 113.1 (2016): 207-226.

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