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February 25, 2013, 05:22 |
C_UDSI_G problem
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#1 |
Member
Join Date: Feb 2012
Posts: 59
Rep Power: 14 |
I managed to collect the gradient of a diffusivity through UDS. It's observed that UDS is correct everywhere, but C_UDSI_G is wrong near boundaries even it is no problem within the computional domain. To demonstrate this problem, one simple case with UDF was attached (flntgz4.zip is case file and flntgz5.zip is data file). If you run the case once, you can see the wrong gradient near BC by GUI, which is supposed to be constant 0.021. Anyone can do me a favour and see how to solve it?
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February 25, 2013, 16:47 |
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#2 | |
Senior Member
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Quote:
I haven't checked your files but I guess the issue is due to the difference between cell and node values specially if you have large cells near boundaries. Bests,
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Amir |
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February 26, 2013, 12:47 |
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#3 |
Member
Join Date: Feb 2012
Posts: 59
Rep Power: 14 |
Thanks, Amir. Well, even I refine the mesh, the value is still wrong. It is probably because the values at boundaries haven't been specified, since the properties are just assigned to cells. Any further suggestion?
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March 21, 2020, 15:24 |
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#4 |
Senior Member
mahdi rostami
Join Date: Jan 2020
Posts: 155
Rep Power: 6 |
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