THERM questions & answers

Windows-based program for heat transfer, used by component makers, engineers, architects, etc.
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Question by Donna
60 views
4
Usha Kumari
Answer by Usha Kumari

To set up boundary conditions in THERM so that there are no overlap or gap errors, you should ensure the following:

  • Check that all vertices are properly aligned and that there are no unintended gaps or overlaps between them. Use the grid and snap features to align elements precisely.
  • Make sure that all adjacent materials are properly defined and that there is continuity between them. A common mistake is having small slivers or misalignments that are hard to see.
  • Ensure that all boundary conditions are correctly applied and that the materials and geometry have been fully defined according to the intended thermal model.
  • Utilize the "Check Model" feature in THERM, if available, to identify and correct specific errors related to overlaps or gaps.

If errors persist, consult the THERM user manual for detailed troubleshooting or reach out to a community forum for additional support.

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Question by BRITTANY FOLEY
418 views
4

Hello, I am trying to study the effects of placing a storm window behind a old curtain wall in THERM. I have read through the simulation manual, but am still confused as to what "material" I should assign the air space between the storm window and the single glazed curtain wall. Should this just be a new material "frame cavity" set to NFRC "cavity model"?


Thank you,
Brittany.

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Answer by Sean Hill

After searching the web up and download, I come to conclusion that THERM is somehow a "private" application. It means there are no discussions, user guides, troubleshooting or any kind of documents available on the Internet.


If you have questions or need help with this application, kindly visit the official website of developers from where you can get the details you need.

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Question by Rodel Velasco
2K views
2

I've been trying to run a therm file which at first displays a single red circle that changes locations every time I try to fix the point where the red circle is (I've encountered this before, but with just a few fixing and running the file eventually runs successfully). However, after a few fixing and running of the therm file, a window appeared which said


"The geometry contains voids or overlapping regions. The edges surrounding these regions will be highlighted in red. You must fix this problem before simulating. Regenerating Boundary Conditions may correct this in some cases. There are materials that lie outside of the Boundary Conditions."


After this message, red circles have appeared all over the perimeter of the model. I have tried fixing the model but there is no luck. This is the first time that I have encountered this. Does anyone know how to solve this problem? Is this just a software glitch? If so, what should I do? Please, I need your help asap as I need to submit the thermal analysis report tomorrow.

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Answer by Robert Polubinski

There is an entire page set up where you can browse through available help. Access the page and then click on Chapter 6 which is related to the boundary conditions and the way it needs to be done. This is not some software glitch. It's in fact caused by the boundary conditions not being set up properly.

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