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UDF of pressure wave....not travelling

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Old   December 7, 2021, 01:14
Default UDF of pressure wave....not travelling
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Suraj Shembekar
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Hello all,
I am trying to validate a simple pipe flow problem in ANSYS (FSI). the respective properties and boundary conditions are applied as per the paper (attached with the thread). I have run the solution, but the results are not as expected, the pressure wave is not travelling through the pipe.
I am using system coupling(transient structural+ Fluent).
Please help me.....

1. Reference paper:
2. Schematic representation of the problem
3. Used BC (UDF)
4. Result video
Attached Images
File Type: jpg schematic (2).jpg (44.6 KB, 6 views)
File Type: jpg (15.5 KB, 6 views)
Attached Files
File Type: c pressure_wave_1.c (572 Bytes, 2 views)
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