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Solid body motion using Profile

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Old   September 23, 2021, 11:08
Exclamation Solid body motion using Profile
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Hello! Any help is greatly appreciated.

I'm trying to model a solid body moving through an enclosed water domain for an FSI study. I have prescribed a motion profile with t,x,y,z velocities etc. The profile successfully moves the mesh during 'preview body motion', 'preview mesh motion' and simulation.

However... the contours of Vel, pressure etc do not move with the body. It seems straightforward when using a UDF (using 'frame motion' and 'mesh motion'), but i can't set up a compiler to use DEFINE_CG_MOTION.

So my question is... how do i get the solid body to affect the fluid?

Dynamic mesh zones are: rigid body -> profile motion for the solid domain, deforming for the fluid domain. Images are mid-calculation showing the successful translation of the solid, but an unchanged contour.
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File Type: jpg contour.JPG (27.2 KB, 4 views)
File Type: jpg moving mesh.JPG (19.3 KB, 4 views)
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