What are Sheet bodies and how do I change them

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Screenshot 2023-11-07 at 18.42.32
Screenshot 2023-11-07 at 18.42.321920×1005 102 KB

Hello!
I’m trying to see the air flow of the Europallee > here’s the link to my project:

but it says that I have sheet bodies in the project and it does not work because of it.
I built the model in Rhino by only using poly surfaces and exported it as a rhino file (.3dm). Can you tell me what to change in order to be able to run a simulation?

I tried to make a solid out of it but that does not work either.

I would be very grateful if you could help me.

Kind Regards,
Arta

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Hi Arta!
Thank you for posting on the forum!
There are two main rules which are crucial for any flow simulation:

  1. Your CAD needs to be watertight: There must not be any holes except inlets and outlets.
  2. Your CAD must only contain solid parts. Shells or Sheets must not appear.

Seems like you have some sheet bodies left.
You can read this article How to Find Faults in the CAD Model? | SimScale Knowledge Base to know more about how to convert them into solids!

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