{"id":390878,"date":"2024-10-22T15:22:21","date_gmt":"2024-10-22T15:22:21","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/390878\/"},"modified":"2024-10-22T15:22:21","modified_gmt":"2024-10-22T15:22:21","slug":"390878","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/390878\/","title":{"rendered":"Reply To: Fluent DNB simulation"},"content":{"rendered":"<p>&lt;p&gt;So heat flux udf I am using and it works well when lemmert chawla model existing in fluent is selected, but the combination of nucleation site density and heat flux udf is causing heat flux to change a lot and results are unphysical. I want to modify the existing Lemmert Chawla model for my simulation as values need to be different, but this is not working. Can you check if there is issue with my NSD udf which I have posted above.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-390878","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"So heat flux udf I am using and it works well when lemmert chawla model existing in fluent is selected, but the combination of nucleation site density and heat flux udf is causing heat flux to change a lot and results are unphysical. 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