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#1 |
New Member
omid
Join Date: Jun 2019
Posts: 15
Rep Power: 7 ![]() |
Hello
I have meshed two parts of a solid and fluid geometry in ICEM CFD, now i want to solve my solid part in Transient Structural and my fluid part in CFX, but when i transmit my mesh into the Structural solver, the solver merges two parts of fluid and solid, and sees them as one solid part. how can i separate these two parts and solve each one in it's own solver? i have already separated domains of solid and fluid in ICEM by creating material point in the middle of each geometry. Can any one help me on this? |
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#2 |
Senior Member
M
Join Date: Dec 2017
Posts: 692
Rep Power: 12 ![]() |
I never did this, but I assume you can just make a copy of the project, then in one of them delete all the created elements that are associated with part B. Then in the other project (copy) you delete elements of part A. That's what I would try, there might be some more elegant way, though.
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#3 |
Senior Member
Sebastian Engel
Join Date: Jun 2011
Location: Germany
Posts: 567
Rep Power: 21 ![]() |
Hi Omid,
the important concept to solve your problem is to understand what makes a mesh a mesh domain. It's the fluid mesh and it's boundary mesh. So each seperate part has to have it's own boundary mesh. So the interface between two fluid volumes should be two (identical) layers of elements. It is not obvious where you can do this in ICEM. If you just convert the whole premesh to unstructured, you'll see that you'll end up with only a single layer of line or shell elements for 2D and 3D meshes, respectively. Most solvers will recognize this as internal interface. The "magic" is to only expert one fluid volume to unstructured at a time, meaning:
Unfortunately, i am not a CFX user, so i am not completely sure whether it works with CFX. However, this process has worked with all other solvers i have worked with, including Fluent. Best regards, Sebastian |
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Tags |
ansys 14 cfx, cfx & fluent, icem 19.0, mesh 3d, structural |
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