Question #653502 on Yade changed:
https://answers.launchpad.net/yade/+question/653502
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hello,
I have plans to make the meshing of arbitrary contours possible but for the
moment it is not the case.
The only thing you could do as it is now is to immerse the spherical domain in
a cubic fluid domain (by really introducing 6 bounding bodies or by using the
engine's min/max method for defining bounding planes). If there is no
macroscopic pressure gradient it is nearly equivalent to applying the external
fluid pressure directly at the surface of the sphere. If there is an external
pressure gradient however this will generate some fluxes around the granular
domain.
If this is the case you could go find by yourself which fluid cells are
incident to the surface of the sphere and impose pressure there. I'm afraid it
would be a painful exercise though.
Cheers
Bruno
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