Question #240628 on Yade changed:
https://answers.launchpad.net/yade/+question/240628
Status: Answered => Solved
Christian Jakob confirmed that the question is solved:
additional comment on 1)
avFlVelOnSph() is working, but it can get nan (one small sphere at a
corner of my model was excluded from triangulation I guess). So my
solution for getting average fluid velocity (relative to spheres) is:
vel_fluid = 0.0
numspheres=0
for b in O.bodies:
if (b.isStandalone and isinstance(b.shape,Sphere)):
numspheres += 1
vfv = flow.avFlVelOnSph(b.id)
if not isnan(vfv[0]):
vel_fluid += Vector3(vfv[0],vfv[1],vfv[2]).norm()
vel_fluid /= numspheres
hope it helps someone in the future...
christian
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