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How to get and output temperature at a certain point by using UDF? |
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August 24, 2016, 22:52 |
How to get and output temperature at a certain point by using UDF?
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#1 |
Member
Peter Aestas
Join Date: Dec 2013
Posts: 64
Rep Power: 13 |
Hi my friends, I am now using Fluent with a 3D model, and i want to get and output temperature at a certain point on one surface every time step by using UDF, and i have known the real position (for example x=0.3cm ,y=0.2cm, z=0).
i don't know how to get the according position in the cell by UDF, since the size of the cell is uneven. Can you help me? |
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August 25, 2016, 09:30 |
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#2 |
Member
KirMaks
Join Date: Aug 2016
Posts: 34
Rep Power: 10 |
Hallo, you may simply setup the monitor point via GUI to get the variation of the variable during the time. Why do You need to use UDF?
Regards, Maks. |
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August 25, 2016, 22:02 |
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#3 |
Member
Peter Aestas
Join Date: Dec 2013
Posts: 64
Rep Power: 13 |
Hi, do you mean monitor a point in the "surface monitors"? I don't know which monitors type to choose, it seems that there is not a type to just monitor the temperature value every step at one point...
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August 26, 2016, 02:40 |
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#4 |
Member
KirMaks
Join Date: Aug 2016
Posts: 34
Rep Power: 10 |
Yes, I mean surface monitor, there are several threads on this topic already in the forum, for example: http://www.cfd-online.com/Forums/flu...ce-points.html Try to search for the others.
UDF solution also exists and is also published: http://www.cfd-online.com/Forums/flu...ide-model.html Good luck and best regards, Maks |
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August 26, 2016, 04:44 |
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#5 | |
Member
Peter Aestas
Join Date: Dec 2013
Posts: 64
Rep Power: 13 |
Quote:
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August 27, 2016, 04:20 |
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#6 |
Member
Davoud Malekian
Join Date: Jan 2016
Posts: 53
Rep Power: 10 |
Hello aestas,
i will be gratefull if you post your udf here(udf for finding a variable in certain point), it is a big help. tnx. regards. |
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August 28, 2016, 21:44 |
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#7 |
Member
Peter Aestas
Join Date: Dec 2013
Posts: 64
Rep Power: 13 |
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October 29, 2018, 15:45 |
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#8 | |
Member
Oula
Join Date: Apr 2015
Location: United Kingdom
Posts: 81
Rep Power: 11 |
Quote:
Thank you for sharing this information. In the example of the manual, it is showing how to write files in parallel. What I'm really looking for is how to monitor the temperature on specific wall or surface. Have you managed to write your monitoring UDF? Could you please share it here. Regards Oula |
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