UDRGM problem with implementation
Hello everyone,
currently, I'm struggling with user defined real gas model of an ideal gas. When I compile the template code (ideal gas) I receive warnings: https://lh3.googleusercontent.com/-n...2019-05-09.png When I turn on the real-gas and start the calculation a have nan values of residuals. I don't really have a clue, what is the reason for this error. I'm using a template code provided by Fluent in the user's guide for Fluent v.193 (https://ansyshelp.ansys.com/account/...gas_udrgm.html). So I assume that there is no problem with the structure of the code, but with the compilation or Fluent interpretation. https://lh3.googleusercontent.com/-8...2019-05-15.png Does anyone know what might be a problem? If anybody could help, that would be much appreciated! |
Was your code successfully compiled?
best regards |
Hi, I have the same problem. I found out that this is caused because the given code in the user's guide is for an older version of Fluent, but I couldn't find any recent version of the code.
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Udrgm
Yes, this is because the arguments for the functions and the functions themselves have changed over last few versions. So, you need to ensure correct arguments. There is an old UDRGM code given in examples. It has been there for last decade or so but has not been updated. If you are using that code, then update the arguments to the functions. The code will work, except that the arguments need to be properly given.
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Thank you so much for your swift reply. I have solved the problem by using the example code given in the program's user guide.
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