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UDF for heat source

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Old   December 23, 2008, 21:17
Default UDF for heat source
  #1
Shayej
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hi,

i am a beginner for fluent, i need to assign a constant heat source in a specific place. its an axisymmetric problem.

its like a rectangle box (.7x.4) m dimension and i need to assign constant heat source about .1m from bottom.

please if some one help me. thank you
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Old   December 23, 2008, 23:08
Default Re: UDF for heat source
  #2
Shayej
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sorry cylindrical tube! not rectangular box.
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Old   December 24, 2008, 14:32
Default Re: UDF for heat source
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Allan Walsh
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If you are not familiar with UDFs, why not just set the region as a separate volume (it can be thin) and then just use the GUI to specify a constant source?
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Old   January 5, 2009, 05:28
Default Re: UDF for heat source
  #4
shayej
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Hi,

when i tried to create volume it shows an error:

cannot create ACIS body. Is this an open shell?

what can i do plz advice. its a 2d problem so i don't have few faeces to stitch together.

Thank you for your time.
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Old   January 5, 2009, 13:22
Default Re: UDF for heat source
  #5
Allan Walsh
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Ok, in 2-D make, your region for the heat source to be a separate face and apply a heat source in that region.
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Old   January 26, 2009, 13:03
Default Re: UDF for specific heat cp
  #6
djillali
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please, somebody who helps me to make a udf for the specific heat CP for fluent.
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