Strange lines on the control volume in fluent

aleix.de.toro · January 22, 2015, 11:50

I am simulating a 3d profile on fluent, when the mesh is uploaded on fluent it appears an strange line from the extrados to the intrados of the wing.

The pictures shows the line in a 2d plane, it occurs on the whole control volume 3d.

Do you know what does it means? maybe a bad meshing?

I have over 3 million elements, but im getting bad results, what models do you use in that cases ?

Many thanks in advance!

ghost82 · January 22, 2015, 12:03

I think you are running a parallel simulation and the "line" you see is the partitioning line, so no problem.
Do a mesh check to see if everything is ok.

Daniele

aleix.de.toro · January 22, 2015, 19:45

Thanks Daniele!

One more think, I suppose the use of parallel simulation (when i choose the processes on fluent) is to put how many the cores my computers uses, so it goes faster but does not affect on the results isn't it?

Many thanks!!

ghost82 · January 23, 2015, 06:24

Yes, the number of cores doesn't influence results; for other problems, if any, check carefully your boundary conditions and your mesh.

January 22, 2015, 12:03		#2
ghost82 Senior Member Rick Join Date: Oct 2010 Posts: 1,016 Rep Power: 27	I think you are running a parallel simulation and the "line" you see is the partitioning line, so no problem. Do a mesh check to see if everything is ok. Daniele __________________ Google is your friend and the same for the search button!

January 23, 2015, 06:24		#4
ghost82 Senior Member Rick Join Date: Oct 2010 Posts: 1,016 Rep Power: 27	Yes, the number of cores doesn't influence results; for other problems, if any, check carefully your boundary conditions and your mesh. __________________ Google is your friend and the same for the search button!

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January 22, 2015, 19:45		#3
aleix.de.toro New Member aleix de toro diaz Join Date: Dec 2014 Posts: 9 Rep Power: 12	Thanks Daniele! One more think, I suppose the use of parallel simulation (when i choose the processes on fluent) is to put how many the cores my computers uses, so it goes faster but does not affect on the results isn't it? Many thanks!!