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free wall to move

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Old   February 9, 2019, 16:52
Default free wall to move
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Aureliano Sancho
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Hi everyone,

I'm trying to simulate a viscometer, where the outer wall is rotating and the intern wall can rotate due to viscous forces. However, I don't know how put the free wall to move. I need disable the "no slip"?

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Old   February 9, 2019, 22:55
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You still want no-slip.

Just apply a velocity to the wall and make it a moving wall. It's in the wall boundary conditions... Not sure why you can't find it.
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boundaries condition, move wall, rotation

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