Question #684881 on Yade changed:
https://answers.launchpad.net/yade/+question/684881
Status: Open => Answered
Jérôme Duriez proposed the following answer:
Hi,
1.
If you have a closed form expression, then it is quite easy to add the force to
each body from Python (then from C++ if the extra cost of this operation --
always greater in Python than in C++ -- is a problem).
E.g.
O.forces.addF(i.id1,- yourForceVectorHere) # i is an interaction
O.forces.addF(i.id2,yourForceVectorHere)
2.
Interaction forces proportional to relative velocity already exist in YADE, and
even with extra fluid-induced forces: see [*] and related classes. See examples
at [**]
3.
Probably many other ideas: YADE being open source, you can implement everything
you want ! (typically with new Engine classes)
Maybe you can try to give more details if you want more answers.
[*]
https://yade-dem.org/doc/yade.wrapper.html?highlight=viscel#yade.wrapper.ViscElCapMat
[**] https://gitlab.com/yade-dev/trunk/tree/master/examples/capillary
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