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Re: [Question #707875]: Servo control of cylindrical triaxial test

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Karol Brzezinski <question707875@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 10 Sep 2023 06:40:36 -0000
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Question #707875 on Yade changed:
https://answers.launchpad.net/yade/+question/707875

    Status: Open => Answered

Karol Brzezinski proposed the following answer:
Hi Ruidong,

In this loop, you iterated over the wall but denoted elements 'f', while
in the loop you referred to 'b', so you did not prescribe velocity to
wall facets. Should be:

###
 for b in wall:
  x,y,z = O.bodies[b].state.pos
  dist = math.sqrt(x*x+y*y)
  n = Vector3(x/dist,y/dist,0)
  O.bodies[b].state.vel = rvel*n

###

Cheers,
Karol

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