I don't know how I can access that video, hmm maybe we can ask your programmers; he/she must know the answer 'cause they can check CFD codes. If we still can't solve this mystery, I may turn to transient structural (two-way coupling) as a fallback method, since it can cover that part. But assigning a dummy UDF to the inflation mesh moving with structure will be another problem. There's a sample UDF in the user guide p.3323, but I don't have the file called udf.h, so how can #include "udf.h" be valid?
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