Multiple isolated fluid regions were found in domain - CFX

guest1104 · July 11, 2022, 05:14

I have a larger body (fluid domain) within which there are couple other smaller bodies that I want to use as subdomains. But when I import the mesh, the domain in CFX-pre has multiple assemblies in location. This is resulting in the solver running into an error- "3 isolated fluid regions were found in domain Domain 1".

Can someone help me sort it out?

Gert-Jan · July 11, 2022, 05:30

You should put all volumes in the main domain and on top of that define subdomains for the smaller bodies.
This should work fine unless your volumes are not connected properly and don't have a conformal mesh. But that is impossible to judge without more information. You should share more info (pictures!) on your geometry, how is was created, meshed, imported, etc.

July 11, 2022, 05:14	Multiple isolated fluid regions were found in domain - CFX	#1
guest1104 New Member guest1104 Join Date: Jul 2022 Posts: 1 Rep Power: 0	I have a larger body (fluid domain) within which there are couple other smaller bodies that I want to use as subdomains. But when I import the mesh, the domain in CFX-pre has multiple assemblies in location. This is resulting in the solver running into an error- "3 isolated fluid regions were found in domain Domain 1". Can someone help me sort it out?

July 11, 2022, 05:30		#2
Gert-Jan Senior Member Gert-Jan Join Date: Oct 2012 Location: Europe Posts: 1,888 Rep Power: 27	You should put all volumes in the main domain and on top of that define subdomains for the smaller bodies. This should work fine unless your volumes are not connected properly and don't have a conformal mesh. But that is impossible to judge without more information. You should share more info (pictures!) on your geometry, how is was created, meshed, imported, etc. Opaque likes this.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
sliding mesh problem in CFX	Saima	CFX	46	September 11, 2021 07:38
Can I achieve better convergence?	sheaker	CFX	12	September 19, 2019 15:36
[Other] Mesh Importing Problem	cuteapathy	ANSYS Meshing & Geometry	2	June 24, 2017 05:29
Sudden increase the residual of Maxwell's equations	hsezsz	CFX	2	October 13, 2016 06:58
how to assign multiple fluid domain with different	jai	CFX	1	March 10, 2009 03:01