[Commercial meshers] Fluent to foam indexing issue

JMDag2004 · October 29, 2016, 01:27

OF: OF-2.3.0
Situation: Compiled fluentDataToFoam in 2.3.0. I import .msh file without issues. Import .dat file and the face is indexing methodology in Fluent is apparently different than OF. The internal cells come over very clean but the boundary faces (i.e walls, inlet, outlet) have inconsistencies with how the face ids are indexed. So I get what appears to be a random distribution of hydro variable face values. Slicing the domain in oaraview reveals a perfect transformation of the internal call values. Probably something Fluent is doing to make it difficult to use these tools. Was curious if someone has run across this issue or knew of a fix. I could write a code to re-arrange the variable arrays in the input files but a nudge in the direction of OFs face indexing methodology would be greatly appreciated.

Antimony · October 30, 2016, 21:56

Hi,

I am not sure if this will work, but out of curiosity I ask: have you tried renumberMesh after you imported the mesh into OF?

And perhaps just run createPatch with a createPatchDict used to remove empty patches?

Cheers,
Antimony

October 29, 2016, 01:27	Fluent to foam indexing issue	#1
JMDag2004 New Member Josh Dawson Join Date: Oct 2014 Location: Justin, TX Posts: 19 Rep Power: 12	OF: OF-2.3.0 Situation: Compiled fluentDataToFoam in 2.3.0. I import .msh file without issues. Import .dat file and the face is indexing methodology in Fluent is apparently different than OF. The internal cells come over very clean but the boundary faces (i.e walls, inlet, outlet) have inconsistencies with how the face ids are indexed. So I get what appears to be a random distribution of hydro variable face values. Slicing the domain in oaraview reveals a perfect transformation of the internal call values. Probably something Fluent is doing to make it difficult to use these tools. Was curious if someone has run across this issue or knew of a fix. I could write a code to re-arrange the variable arrays in the input files but a nudge in the direction of OFs face indexing methodology would be greatly appreciated.

October 30, 2016, 21:56		#2
Antimony Senior Member Join Date: Aug 2013 Posts: 407 Rep Power: 16	Hi, I am not sure if this will work, but out of curiosity I ask: have you tried renumberMesh after you imported the mesh into OF? And perhaps just run createPatch with a createPatchDict used to remove empty patches? Cheers, Antimony Last edited by Antimony; October 31, 2016 at 02:19.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
[Other] refineWallLayer Error	Yuby	OpenFOAM Meshing & Mesh Conversion	2	November 11, 2021 12:04
SimpleFoam cannot open include file	Marija	OpenFOAM Running, Solving & CFD	1	October 28, 2020 11:35
problem during mpi in server: expected Scalar, found on line 0 the word 'nan'	muth	OpenFOAM Running, Solving & CFD	3	August 27, 2018 05:18
[mesh manipulation] RefineMesh Error and Foam warning	jiahui_93	OpenFOAM Meshing & Mesh Conversion	4	March 3, 2018 12:32
[Commercial meshers] Using starToFoam	clo	OpenFOAM Meshing & Mesh Conversion	33	September 26, 2012 05:04