Hello, I would have liked
I would have liked to ask what kind of boundary condition I should set on a wall where there is a triple point (limit between my fluid and air). I would like this triple point to move naturally during the simulation. I saw in another thread that the slip condition for motionU worked if the wall was flat. But, what if it is not flat?
Thank you in advance.
I think the slip BC takes poin
I think the slip BC takes point-normal information from each patch and uses that to zero-out the forces in that direction at the motion-solver level.
If this is indeed the case, then I guess the slip boundary should work even on a non-planar wall. But I would be a little concerned if mass-conservation is a priority in your simulation - moving points on a non-planar surface tends to develop minor errors in domain-volume over time.
There's only one way to find out - try it!
Virginie, have you continued your work with interTrackFoam? If so, did you experience any problems with wall contact?
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