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[Jérôme Duriez <question453606@xxxxxxxxxxxxxxxxxxxxx>]

Question #453606 on Yade changed:
https://answers.launchpad.net/yade/+question/453606

    Status: Open => Answered

Jérôme Duriez proposed the following answer:
Hi,

To be sure the capillary model is invoked, I think the best is just to
pick random interactions with O.interactions.nth(..) or the Inspector of
the GUI (see "Inspect" button), and check if there is some capillary
force, or not.

Regarding science itself and as a general remark (maybe not related to
your goals), you may note that the mechanical consequences of partial
saturation in the pendular regime may differ to what people usually have
in mind from experiments with much higher saturation.

For instance, YADE capillary simulations typically should show a
decrease of the apparent cohesion with increasing suction, contrary to
what is classically stated (strength increases with suction). It just
depends on what saturation regime you're looking at, literature
experiments that actually consider the pendular regime confirm the
strength decrease with suction in this regime (before a change in trends
and an increase for higher saturations), see e.g. Pierrat et al., Powder
Technology, 99(3), 1998

Jerome

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