How do I write UDF in cyclic breathing (Attached figure)? -- CFD Online Discussion Forums

June 20, 2022, 01:33

How do I write UDF in cyclic breathing (Attached figure)?

mizanur

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I want to run the CFD simulation in Ansys Fluent for cyclic breathing (first 2 sec for inhalation and afterwards 2-5.35sec exhalation-attached figure). Could you please suggest to me, how to write UDF code?

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Inhal_Exhal.jpg (46.4 KB, 9 views)

June 21, 2022, 02:09		#2
AlexanderZ Senior Member Alexander Join Date: Apr 2013 Posts: 2,363 Rep Power: 34	you may use transient profile for this simulation either speaking about UDF, there are several solved cases on forum look for DEFINE_PROFILE macro you may take a look into Ansys Fluent Customization manual as well __________________ best regards ****************************** press LIKE if this message was helpful

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