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[ICEM] ICEM struct mesh diverges, ANSYS unstruct does not |
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February 27, 2019, 16:32 |
ICEM struct mesh diverges, ANSYS unstruct does not
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#1 |
New Member
Ramaswamy Devakottai
Join Date: Feb 2019
Posts: 9
Rep Power: 7 |
Hi all,
I am trying to simulate a jet impingement on a flat plate (single jet). BC for the simulations:
Initially, I meshed the geometry with ansys meshing tool - from the workbench. This was an unstructured mesh. The simulation produced satisfactory results without divergence. Then, I tried to simulate for the same geometry, using a structured mesh - using ICEM CFD. The BCs were same as that of the unstruct mesh. Observations for the simulation using ICEM mesh:-
Then I tried the same case for a square duct - still the same error. I humbly ask of you to help me figure out the problem -- I have been struck with this error for 2 weeks :'( Thank you so much guys! |
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March 1, 2019, 00:44 |
Still not working for a geometry from icem cfd tutorial manual
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#2 |
New Member
Ramaswamy Devakottai
Join Date: Feb 2019
Posts: 9
Rep Power: 7 |
Hello,
So I created a structured mesh using icem for one of the geometries specified in the tutorial. I followed whatever steps they had mentioned, exactly. I ran a simulation for this geometry, with similar bcs mentioned in the main post. I am still getting the message: 'Temperature limited to 5e+03K on zones...' Can someone please give me pointers on where I might be going wrong? Thanks. |
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March 4, 2019, 03:32 |
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#3 |
Senior Member
Gert-Jan
Join Date: Oct 2012
Location: Europe
Posts: 1,827
Rep Power: 27 |
I think the problem is in fluent not in ICEM. So I would consult the Fluent forum. Probably it is something numerical.
As a start I would set the limits in fluent to realistic values. Depending on the problem you are solving: minimum 273 K and max 500 K? |
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March 6, 2019, 02:26 |
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#4 |
New Member
Ramaswamy Devakottai
Join Date: Feb 2019
Posts: 9
Rep Power: 7 |
Okay. I will try posting this on the fluent forum.
Yes, I will try limiting the temperature values. Thank you! |
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