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Problem with flow simulation

Witty1

New member
Hi everyone
I was wondering if I could get some insight on my small issue that I'm having with my flow simulation.
The part is a "micro needle array" I'm trying to simulate a fluid flowing from an inlet port in the back of the array through the needles.
I'm getting the error "Face<2>@Patch-1 is not laying on the boundary between solid and fluid region."
What does that error mean?

Here is an image of the part (needle array)


Here is a closeup of a needle and the inlet port for a fluid in the bottom right hand corner


Any help would be much appreciated.

Thanks,
Eric
 

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